/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-03 22:22:29,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-03 22:22:30,050 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-03 22:22:30,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-03 22:22:30,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-03 22:22:30,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-03 22:22:30,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-03 22:22:30,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-03 22:22:30,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-03 22:22:30,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-03 22:22:30,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-03 22:22:30,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-03 22:22:30,075 INFO L153 SettingsManager]: * Use SBE=true [2024-04-03 22:22:30,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-03 22:22:30,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-03 22:22:30,075 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-03 22:22:30,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-03 22:22:30,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-03 22:22:30,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-03 22:22:30,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-03 22:22:30,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-03 22:22:30,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-03 22:22:30,084 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-03 22:22:30,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-03 22:22:30,085 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-03 22:22:30,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-03 22:22:30,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-03 22:22:30,085 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-03 22:22:30,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-03 22:22:30,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 22:22:30,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-03 22:22:30,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-03 22:22:30,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-03 22:22:30,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-03 22:22:30,087 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-03 22:22:30,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-03 22:22:30,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-03 22:22:30,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-03 22:22:30,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-03 22:22:30,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-03 22:22:30,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-03 22:22:30,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-03 22:22:30,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-03 22:22:30,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-03 22:22:30,324 INFO L274 PluginConnector]: CDTParser initialized [2024-04-03 22:22:30,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i [2024-04-03 22:22:31,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-03 22:22:31,419 INFO L384 CDTParser]: Found 1 translation units. [2024-04-03 22:22:31,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i [2024-04-03 22:22:31,432 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5c0141eb4/7f2f1498e4654f38ab4192e976bc7e3e/FLAGe9795d4e2 [2024-04-03 22:22:31,442 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5c0141eb4/7f2f1498e4654f38ab4192e976bc7e3e [2024-04-03 22:22:31,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-03 22:22:31,445 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-03 22:22:31,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-03 22:22:31,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-03 22:22:31,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-03 22:22:31,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc8d7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31, skipping insertion in model container [2024-04-03 22:22:31,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-03 22:22:31,753 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i[30176,30189] [2024-04-03 22:22:31,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 22:22:31,790 INFO L202 MainTranslator]: Completed pre-run [2024-04-03 22:22:31,825 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i[30176,30189] [2024-04-03 22:22:31,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 22:22:31,872 INFO L206 MainTranslator]: Completed translation [2024-04-03 22:22:31,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31 WrapperNode [2024-04-03 22:22:31,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-03 22:22:31,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-03 22:22:31,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-03 22:22:31,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-03 22:22:31,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,937 INFO L138 Inliner]: procedures = 173, calls = 47, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 228 [2024-04-03 22:22:31,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-03 22:22:31,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-03 22:22:31,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-03 22:22:31,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-03 22:22:31,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-03 22:22:31,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-03 22:22:31,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-03 22:22:31,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-03 22:22:31,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31" (1/1) ... [2024-04-03 22:22:31,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 22:22:31,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:31,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-03 22:22:31,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-03 22:22:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-03 22:22:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-04-03 22:22:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-04-03 22:22:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-03 22:22:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-03 22:22:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-03 22:22:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-03 22:22:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-04-03 22:22:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-04-03 22:22:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-03 22:22:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-03 22:22:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-03 22:22:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-03 22:22:32,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-03 22:22:32,035 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-03 22:22:32,143 INFO L241 CfgBuilder]: Building ICFG [2024-04-03 22:22:32,147 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-03 22:22:32,392 INFO L282 CfgBuilder]: Performing block encoding [2024-04-03 22:22:32,421 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-03 22:22:32,421 INFO L309 CfgBuilder]: Removed 24 assume(true) statements. [2024-04-03 22:22:32,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 10:22:32 BoogieIcfgContainer [2024-04-03 22:22:32,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-03 22:22:32,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-03 22:22:32,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-03 22:22:32,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-03 22:22:32,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 10:22:31" (1/3) ... [2024-04-03 22:22:32,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab12236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 10:22:32, skipping insertion in model container [2024-04-03 22:22:32,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 10:22:31" (2/3) ... [2024-04-03 22:22:32,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab12236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 10:22:32, skipping insertion in model container [2024-04-03 22:22:32,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 10:22:32" (3/3) ... [2024-04-03 22:22:32,432 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_03-munge_racing.i [2024-04-03 22:22:32,439 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-03 22:22:32,445 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-03 22:22:32,445 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-04-03 22:22:32,445 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-03 22:22:32,493 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-03 22:22:32,526 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:22:32,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:22:32,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:32,527 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:22:32,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-03 22:22:32,553 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:22:32,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:32,562 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:22:32,566 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:22:32,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-03 22:22:32,595 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-03 22:22:32,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:32,597 INFO L85 PathProgramCache]: Analyzing trace with hash 859275249, now seen corresponding path program 1 times [2024-04-03 22:22:32,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:32,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597045463] [2024-04-03 22:22:32,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:32,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:32,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:22:32,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:32,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597045463] [2024-04-03 22:22:32,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597045463] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:32,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:32,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:22:32,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728059308] [2024-04-03 22:22:32,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:32,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:22:32,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:32,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:22:32,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:22:32,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:32,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:32,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:32,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:32,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-03 22:22:32,970 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-03 22:22:32,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:32,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1487946947, now seen corresponding path program 1 times [2024-04-03 22:22:32,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:32,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256776124] [2024-04-03 22:22:32,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:32,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:22:33,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:22:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:22:33,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:22:33,068 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:22:33,069 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2024-04-03 22:22:33,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-04-03 22:22:33,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-04-03 22:22:33,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-04-03 22:22:33,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-03 22:22:33,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-03 22:22:33,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-03 22:22:33,079 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-04-03 22:22:33,080 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:22:33,080 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-04-03 22:22:33,123 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-04-03 22:22:33,131 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:22:33,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:22:33,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:33,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:22:33,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-04-03 22:22:33,175 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:22:33,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:33,176 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:22:33,176 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:22:33,176 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-04-03 22:22:33,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-03 22:22:33,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:33,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1470868643, now seen corresponding path program 1 times [2024-04-03 22:22:33,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:33,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124489471] [2024-04-03 22:22:33,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:33,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:33,247 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-03 22:22:33,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:33,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124489471] [2024-04-03 22:22:33,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124489471] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:33,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:33,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:22:33,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33241416] [2024-04-03 22:22:33,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:33,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:22:33,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:33,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:22:33,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:22:33,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:33,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:33,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:33,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:33,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:33,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-03 22:22:33,340 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-03 22:22:33,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:33,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1362376697, now seen corresponding path program 1 times [2024-04-03 22:22:33,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:33,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198361926] [2024-04-03 22:22:33,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:33,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:22:33,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:33,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198361926] [2024-04-03 22:22:33,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198361926] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:33,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:33,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:22:33,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466079984] [2024-04-03 22:22:33,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:33,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:22:33,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:33,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:22:33,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:22:33,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:33,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:33,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:33,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:33,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:33,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:33,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:33,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-03 22:22:33,857 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-03 22:22:33,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:33,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1300053823, now seen corresponding path program 1 times [2024-04-03 22:22:33,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:33,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273328964] [2024-04-03 22:22:33,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:33,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:22:33,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:22:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:22:33,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:22:33,905 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:22:33,906 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-04-03 22:22:33,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-04-03 22:22:33,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining) [2024-04-03 22:22:33,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-04-03 22:22:33,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-04-03 22:22:33,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-04-03 22:22:33,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-04-03 22:22:33,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-04-03 22:22:33,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-03 22:22:33,907 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-04-03 22:22:33,908 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:22:33,908 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-04-03 22:22:33,992 INFO L144 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2024-04-03 22:22:33,996 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:22:33,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:22:33,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:33,998 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:22:34,003 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:22:34,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:34,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:22:34,004 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:22:34,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-04-03 22:22:34,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-03 22:22:34,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:34,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1130486170, now seen corresponding path program 1 times [2024-04-03 22:22:34,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:34,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27869648] [2024-04-03 22:22:34,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:34,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:34,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-04-03 22:22:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:34,081 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-03 22:22:34,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:34,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27869648] [2024-04-03 22:22:34,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27869648] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:34,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:34,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:22:34,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981894093] [2024-04-03 22:22:34,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:34,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:22:34,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:34,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:22:34,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:22:34,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:34,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:34,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:34,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:34,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:34,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-03 22:22:34,191 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-03 22:22:34,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:34,191 INFO L85 PathProgramCache]: Analyzing trace with hash -144934540, now seen corresponding path program 1 times [2024-04-03 22:22:34,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:34,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016161981] [2024-04-03 22:22:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:34,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:34,360 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 22:22:34,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:34,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016161981] [2024-04-03 22:22:34,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016161981] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:34,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:34,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:22:34,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055640775] [2024-04-03 22:22:34,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:34,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:22:34,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:34,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:22:34,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:22:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:34,391 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:34,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:34,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:34,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:34,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-03 22:22:34,525 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-03 22:22:34,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:34,526 INFO L85 PathProgramCache]: Analyzing trace with hash 107965225, now seen corresponding path program 1 times [2024-04-03 22:22:34,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:34,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313547085] [2024-04-03 22:22:34,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:34,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:34,757 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 22:22:34,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:34,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313547085] [2024-04-03 22:22:34,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313547085] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:34,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:34,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:22:34,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188449728] [2024-04-03 22:22:34,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:34,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:22:34,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:34,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:22:34,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:22:34,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:34,796 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:34,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:34,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:34,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:34,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:34,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:34,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-04-03 22:22:34,902 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-03 22:22:34,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:34,903 INFO L85 PathProgramCache]: Analyzing trace with hash 862997676, now seen corresponding path program 1 times [2024-04-03 22:22:34,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:34,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131971334] [2024-04-03 22:22:34,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:34,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:35,036 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-03 22:22:35,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:35,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131971334] [2024-04-03 22:22:35,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131971334] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:35,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174805624] [2024-04-03 22:22:35,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:35,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:35,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:35,040 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:35,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-03 22:22:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:35,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:22:35,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:35,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-03 22:22:35,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:35,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:35,677 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-03 22:22:35,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174805624] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:35,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:35,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:22:35,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104834371] [2024-04-03 22:22:35,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:35,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:22:35,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:35,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:22:35,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-04-03 22:22:35,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:35,705 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:35,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.142857142857142) internal successors, (170), 14 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:35,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:35,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:35,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:35,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:35,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:35,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:35,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:35,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:35,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-03 22:22:36,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:36,054 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-03 22:22:36,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:36,055 INFO L85 PathProgramCache]: Analyzing trace with hash -912048883, now seen corresponding path program 1 times [2024-04-03 22:22:36,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:36,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345677588] [2024-04-03 22:22:36,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:36,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-03 22:22:36,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:36,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345677588] [2024-04-03 22:22:36,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345677588] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:36,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978327673] [2024-04-03 22:22:36,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:36,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:36,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:36,326 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:36,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-03 22:22:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:36,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-03 22:22:36,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:36,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:36,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:22:36,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:22:36,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:22:36,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:22:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-03 22:22:36,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:36,909 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_200 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_200) |c_t1_funThread2of3ForFork0_munge_~m#1.base|) |c_t1_funThread2of3ForFork0_munge_~m#1.offset|) 0))) is different from false [2024-04-03 22:22:37,099 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:22:37,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:22:37,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:22:37,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:22:37,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:22:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 20 not checked. [2024-04-03 22:22:37,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978327673] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:37,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:37,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-04-03 22:22:37,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354857962] [2024-04-03 22:22:37,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:37,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-03 22:22:37,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:37,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:22:37,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=376, Unknown=4, NotChecked=40, Total=506 [2024-04-03 22:22:37,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:37,205 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:37,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.652173913043478) internal successors, (222), 23 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:37,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:37,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:37,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:37,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:37,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:22:37,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-03 22:22:37,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-03 22:22:37,589 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-03 22:22:37,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:37,589 INFO L85 PathProgramCache]: Analyzing trace with hash 53611853, now seen corresponding path program 1 times [2024-04-03 22:22:37,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:37,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785383948] [2024-04-03 22:22:37,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:37,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:37,793 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 22:22:37,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:37,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785383948] [2024-04-03 22:22:37,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785383948] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:37,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332349254] [2024-04-03 22:22:37,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:37,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:37,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:37,795 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:37,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-03 22:22:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:37,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-03 22:22:37,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:38,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:38,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:22:38,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:22:38,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:22:38,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:22:38,387 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 22:22:38,387 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:38,401 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_240 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_240) |c_t1_funThread3of3ForFork0_munge_~m#1.base|) |c_t1_funThread3of3ForFork0_munge_~m#1.offset|) 0))) is different from false [2024-04-03 22:22:38,520 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:22:38,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:22:38,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:22:38,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:22:38,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:22:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 10 not checked. [2024-04-03 22:22:38,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332349254] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:38,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:38,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-04-03 22:22:38,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635169445] [2024-04-03 22:22:38,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:38,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-03 22:22:38,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:38,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:22:38,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=379, Unknown=1, NotChecked=40, Total=506 [2024-04-03 22:22:38,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:38,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:38,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.130434782608695) internal successors, (210), 23 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:38,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:38,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:38,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:38,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:38,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:22:38,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:38,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:38,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:38,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:38,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:38,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:22:38,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:22:38,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-03 22:22:39,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:39,002 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-03 22:22:39,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:39,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1636912658, now seen corresponding path program 1 times [2024-04-03 22:22:39,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:39,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004896930] [2024-04-03 22:22:39,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:39,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:22:39,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:22:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:22:39,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:22:39,030 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:22:39,030 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining) [2024-04-03 22:22:39,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 10 remaining) [2024-04-03 22:22:39,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 10 remaining) [2024-04-03 22:22:39,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 10 remaining) [2024-04-03 22:22:39,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 10 remaining) [2024-04-03 22:22:39,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 10 remaining) [2024-04-03 22:22:39,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 10 remaining) [2024-04-03 22:22:39,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 10 remaining) [2024-04-03 22:22:39,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 10 remaining) [2024-04-03 22:22:39,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 10 remaining) [2024-04-03 22:22:39,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-04-03 22:22:39,032 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-04-03 22:22:39,032 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:22:39,032 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-04-03 22:22:39,075 INFO L144 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2024-04-03 22:22:39,079 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:22:39,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:22:39,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:39,080 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:22:39,084 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:22:39,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:39,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:22:39,084 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:22:39,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-04-03 22:22:39,094 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-03 22:22:39,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:39,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1393426100, now seen corresponding path program 1 times [2024-04-03 22:22:39,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:39,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241425201] [2024-04-03 22:22:39,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:39,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:39,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2024-04-03 22:22:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-03 22:22:39,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:39,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241425201] [2024-04-03 22:22:39,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241425201] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:39,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:39,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:22:39,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798487039] [2024-04-03 22:22:39,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:39,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:22:39,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:39,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:22:39,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:22:39,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:39,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:39,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.5) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:39,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:39,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-04-03 22:22:39,257 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-03 22:22:39,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:39,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1990995960, now seen corresponding path program 1 times [2024-04-03 22:22:39,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:39,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84493185] [2024-04-03 22:22:39,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:39,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-03 22:22:39,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:39,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84493185] [2024-04-03 22:22:39,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84493185] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:39,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:39,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:22:39,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594918404] [2024-04-03 22:22:39,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:39,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:22:39,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:39,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:22:39,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:22:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:39,475 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:39,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:39,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:39,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:39,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:39,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-04-03 22:22:39,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-03 22:22:39,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:39,593 INFO L85 PathProgramCache]: Analyzing trace with hash 132171276, now seen corresponding path program 1 times [2024-04-03 22:22:39,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:39,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442506300] [2024-04-03 22:22:39,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:39,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:39,776 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-03 22:22:39,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:39,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442506300] [2024-04-03 22:22:39,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442506300] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:39,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:39,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:22:39,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801865995] [2024-04-03 22:22:39,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:39,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:22:39,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:39,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:22:39,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:22:39,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:39,835 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:39,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:39,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:39,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:39,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:39,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:39,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-04-03 22:22:39,950 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-03 22:22:39,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:39,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1963429540, now seen corresponding path program 1 times [2024-04-03 22:22:39,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:39,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644341686] [2024-04-03 22:22:39,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:39,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:40,078 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 22:22:40,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:40,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644341686] [2024-04-03 22:22:40,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644341686] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:40,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096742705] [2024-04-03 22:22:40,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:40,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:40,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:40,082 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:40,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-03 22:22:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:40,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:22:40,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:40,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:40,511 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 22:22:40,511 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:40,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 22:22:40,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096742705] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:40,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:40,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:22:40,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777053840] [2024-04-03 22:22:40,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:40,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:22:40,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:40,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:22:40,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-04-03 22:22:40,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:40,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:40,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:40,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:40,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:40,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:40,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:40,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:40,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:40,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:40,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:40,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-03 22:22:41,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:41,033 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-03 22:22:41,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:41,034 INFO L85 PathProgramCache]: Analyzing trace with hash 631554633, now seen corresponding path program 1 times [2024-04-03 22:22:41,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:41,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285860680] [2024-04-03 22:22:41,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:41,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:41,166 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 22:22:41,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:41,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285860680] [2024-04-03 22:22:41,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285860680] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:41,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077469413] [2024-04-03 22:22:41,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:41,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:41,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:41,168 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:41,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-03 22:22:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:41,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:22:41,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:41,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:41,672 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 22:22:41,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:41,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 22:22:41,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077469413] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:41,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:41,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:22:41,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215024034] [2024-04-03 22:22:41,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:41,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:22:41,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:41,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:22:41,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:22:41,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:41,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:41,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 13.625) internal successors, (218), 16 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:41,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:41,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:41,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:41,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:41,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:42,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:42,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:42,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:42,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:42,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:22:42,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-03 22:22:42,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-03 22:22:42,322 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-03 22:22:42,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:42,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1628169612, now seen corresponding path program 1 times [2024-04-03 22:22:42,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:42,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696453133] [2024-04-03 22:22:42,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:42,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-03 22:22:42,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:42,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696453133] [2024-04-03 22:22:42,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696453133] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:42,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869045001] [2024-04-03 22:22:42,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:42,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:42,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:42,470 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:42,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-03 22:22:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:42,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:22:42,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:42,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-03 22:22:42,969 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:42,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:43,078 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-03 22:22:43,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869045001] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:43,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:43,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:22:43,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919704486] [2024-04-03 22:22:43,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:43,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:22:43,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:43,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:22:43,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1516329988, now seen corresponding path program 1 times [2024-04-03 22:22:43,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:43,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:22:43,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:43,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:22:43,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:22:43,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-04-03 22:22:43,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:43,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:43,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 14.681818181818182) internal successors, (323), 23 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:43,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:43,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:43,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:43,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:43,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:22:43,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:44,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:44,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:44,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:44,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:44,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:22:44,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:22:44,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-03 22:22:44,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable17 [2024-04-03 22:22:44,611 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-03 22:22:44,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:44,612 INFO L85 PathProgramCache]: Analyzing trace with hash 3746194, now seen corresponding path program 1 times [2024-04-03 22:22:44,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:44,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292040046] [2024-04-03 22:22:44,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:44,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:44,758 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-03 22:22:44,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:44,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292040046] [2024-04-03 22:22:44,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292040046] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:44,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541507692] [2024-04-03 22:22:44,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:44,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:44,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:44,760 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:44,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-03 22:22:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:44,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:22:44,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:45,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:45,288 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-03 22:22:45,288 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:45,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:45,486 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-03 22:22:45,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541507692] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:45,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:45,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:22:45,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066008235] [2024-04-03 22:22:45,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:45,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:22:45,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:45,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:22:45,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-04-03 22:22:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:45,515 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:45,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:22:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:22:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:22:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:22:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:45,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-03 22:22:45,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:45,853 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-03 22:22:45,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:45,853 INFO L85 PathProgramCache]: Analyzing trace with hash -36966221, now seen corresponding path program 1 times [2024-04-03 22:22:45,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:45,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757433024] [2024-04-03 22:22:45,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:45,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:22:45,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:22:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:22:45,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:22:45,886 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:22:45,887 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2024-04-03 22:22:45,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 12 remaining) [2024-04-03 22:22:45,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2024-04-03 22:22:45,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 12 remaining) [2024-04-03 22:22:45,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 12 remaining) [2024-04-03 22:22:45,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 12 remaining) [2024-04-03 22:22:45,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 12 remaining) [2024-04-03 22:22:45,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 12 remaining) [2024-04-03 22:22:45,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 12 remaining) [2024-04-03 22:22:45,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 12 remaining) [2024-04-03 22:22:45,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 12 remaining) [2024-04-03 22:22:45,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 12 remaining) [2024-04-03 22:22:45,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-04-03 22:22:45,888 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-03 22:22:45,889 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:22:45,889 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-04-03 22:22:45,926 INFO L144 ThreadInstanceAdder]: Constructed 20 joinOtherThreadTransitions. [2024-04-03 22:22:45,929 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:22:45,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:22:45,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:45,931 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:22:45,934 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:22:45,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:45,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:22:45,935 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:22:45,935 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-04-03 22:22:45,945 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2024-04-03 22:22:45,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:45,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1682732091, now seen corresponding path program 1 times [2024-04-03 22:22:45,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:45,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949162974] [2024-04-03 22:22:45,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:45,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:45,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Waiting until timeout for monitored process [2024-04-03 22:22:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:45,966 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-03 22:22:45,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:45,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949162974] [2024-04-03 22:22:45,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949162974] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:45,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:45,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:22:45,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425928661] [2024-04-03 22:22:45,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:45,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:22:45,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:46,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:22:46,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:22:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:46,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:46,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:46,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:46,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-04-03 22:22:46,089 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2024-04-03 22:22:46,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:46,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1175215557, now seen corresponding path program 1 times [2024-04-03 22:22:46,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:46,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289447440] [2024-04-03 22:22:46,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:46,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:46,249 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-04-03 22:22:46,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:46,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289447440] [2024-04-03 22:22:46,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289447440] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:46,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:46,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:22:46,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410301941] [2024-04-03 22:22:46,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:46,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:22:46,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:46,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:22:46,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:22:46,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:46,340 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:46,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:46,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:46,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:46,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:46,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:46,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-04-03 22:22:46,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2024-04-03 22:22:46,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:46,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1381278515, now seen corresponding path program 1 times [2024-04-03 22:22:46,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:46,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62872347] [2024-04-03 22:22:46,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:46,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-03 22:22:46,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:46,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62872347] [2024-04-03 22:22:46,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62872347] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:46,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:46,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:22:46,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280185466] [2024-04-03 22:22:46,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:46,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:22:46,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:46,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:22:46,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:22:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:46,722 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:46,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:46,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:46,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:46,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:46,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-04-03 22:22:46,842 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2024-04-03 22:22:46,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:46,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1375458815, now seen corresponding path program 1 times [2024-04-03 22:22:46,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:46,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884921425] [2024-04-03 22:22:46,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:46,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:46,956 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 95 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-04-03 22:22:46,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:46,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884921425] [2024-04-03 22:22:46,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884921425] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:46,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210454483] [2024-04-03 22:22:46,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:46,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:46,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:46,959 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:46,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-03 22:22:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:47,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:22:47,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:47,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:47,459 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-04-03 22:22:47,460 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:47,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 95 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-04-03 22:22:47,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210454483] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:47,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:47,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:22:47,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489020417] [2024-04-03 22:22:47,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:47,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:22:47,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:47,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:22:47,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-04-03 22:22:47,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:47,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:47,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.0) internal successors, (224), 14 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:47,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:47,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:47,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:47,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:47,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:47,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:47,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:47,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:47,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-03 22:22:48,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-04-03 22:22:48,028 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2024-04-03 22:22:48,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:48,029 INFO L85 PathProgramCache]: Analyzing trace with hash 351966895, now seen corresponding path program 1 times [2024-04-03 22:22:48,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:48,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922304560] [2024-04-03 22:22:48,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:48,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:48,158 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-03 22:22:48,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:48,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922304560] [2024-04-03 22:22:48,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922304560] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:48,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050210297] [2024-04-03 22:22:48,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:48,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:48,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:48,160 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:48,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-03 22:22:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:48,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:22:48,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:48,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-03 22:22:48,675 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:48,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:48,769 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-03 22:22:48,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050210297] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:48,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:48,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:22:48,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143185] [2024-04-03 22:22:48,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:48,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:22:48,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:48,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:22:48,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:22:48,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:48,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:48,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 14.6875) internal successors, (235), 16 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:48,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:48,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:48,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:48,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:48,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:49,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:49,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:49,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:49,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:49,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:22:49,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-03 22:22:49,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-04-03 22:22:49,272 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2024-04-03 22:22:49,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:49,273 INFO L85 PathProgramCache]: Analyzing trace with hash 429814997, now seen corresponding path program 1 times [2024-04-03 22:22:49,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:49,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7488454] [2024-04-03 22:22:49,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:49,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:49,425 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 95 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-04-03 22:22:49,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:49,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7488454] [2024-04-03 22:22:49,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7488454] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:49,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642690918] [2024-04-03 22:22:49,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:49,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:49,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:49,426 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:49,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-03 22:22:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:49,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:22:49,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:49,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:49,978 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-04-03 22:22:49,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:49,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 95 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-04-03 22:22:50,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642690918] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:50,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:50,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:22:50,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176970860] [2024-04-03 22:22:50,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:50,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:22:50,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:50,223 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:22:50,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-04-03 22:22:50,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1353623016, now seen corresponding path program 1 times [2024-04-03 22:22:50,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:50,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:50,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:22:50,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:50,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:22:50,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:22:50,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-04-03 22:22:50,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:50,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:50,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 15.590909090909092) internal successors, (343), 23 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:22:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:51,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:51,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:51,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:51,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:51,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:22:51,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:22:51,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-03 22:22:51,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-04-03 22:22:51,667 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2024-04-03 22:22:51,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:51,667 INFO L85 PathProgramCache]: Analyzing trace with hash 967580077, now seen corresponding path program 1 times [2024-04-03 22:22:51,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:51,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070932430] [2024-04-03 22:22:51,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:51,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 95 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-03 22:22:51,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:51,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070932430] [2024-04-03 22:22:51,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070932430] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:51,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835601539] [2024-04-03 22:22:51,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:51,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:51,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:51,829 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:51,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-03 22:22:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:52,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:22:52,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:52,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 90 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-03 22:22:52,523 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:52,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 95 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-03 22:22:52,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835601539] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:52,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:52,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:22:52,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542789815] [2024-04-03 22:22:52,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:52,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:22:52,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:52,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:22:52,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-04-03 22:22:52,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:52,757 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:52,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.857142857142858) internal successors, (236), 14 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:52,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:22:52,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:22:52,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:52,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:52,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:52,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:52,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:52,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:22:52,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:22:52,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:52,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-04-03 22:22:53,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-04-03 22:22:53,135 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2024-04-03 22:22:53,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:53,135 INFO L85 PathProgramCache]: Analyzing trace with hash -972972557, now seen corresponding path program 1 times [2024-04-03 22:22:53,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:53,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060166625] [2024-04-03 22:22:53,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:53,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-04-03 22:22:53,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:53,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060166625] [2024-04-03 22:22:53,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060166625] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:53,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722837904] [2024-04-03 22:22:53,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:53,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:53,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:53,273 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:53,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-03 22:22:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:53,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:22:53,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:53,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:53,908 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-04-03 22:22:53,909 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:53,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:54,079 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-04-03 22:22:54,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722837904] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:54,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:54,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:22:54,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174876083] [2024-04-03 22:22:54,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:54,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:22:54,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:54,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:22:54,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:22:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:54,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:54,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 15.125) internal successors, (242), 16 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:54,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:54,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:54,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:54,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:54,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:22:54,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:22:54,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:54,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:22:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:22:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:54,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-03 22:22:54,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:54,493 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2024-04-03 22:22:54,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:54,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1272051095, now seen corresponding path program 1 times [2024-04-03 22:22:54,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:54,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892305971] [2024-04-03 22:22:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:54,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:22:54,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:22:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:22:54,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:22:54,533 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:22:54,533 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 14 remaining) [2024-04-03 22:22:54,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 14 remaining) [2024-04-03 22:22:54,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 14 remaining) [2024-04-03 22:22:54,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 14 remaining) [2024-04-03 22:22:54,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 14 remaining) [2024-04-03 22:22:54,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 14 remaining) [2024-04-03 22:22:54,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 14 remaining) [2024-04-03 22:22:54,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 14 remaining) [2024-04-03 22:22:54,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 14 remaining) [2024-04-03 22:22:54,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 14 remaining) [2024-04-03 22:22:54,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 14 remaining) [2024-04-03 22:22:54,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 14 remaining) [2024-04-03 22:22:54,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 14 remaining) [2024-04-03 22:22:54,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 14 remaining) [2024-04-03 22:22:54,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-04-03 22:22:54,534 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-03 22:22:54,535 WARN L233 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:22:54,535 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2024-04-03 22:22:54,586 INFO L144 ThreadInstanceAdder]: Constructed 24 joinOtherThreadTransitions. [2024-04-03 22:22:54,590 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:22:54,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:22:54,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:54,592 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:22:54,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (19)] Waiting until timeout for monitored process [2024-04-03 22:22:54,595 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:22:54,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:54,596 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:22:54,596 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:22:54,596 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-04-03 22:22:54,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2024-04-03 22:22:54,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:54,613 INFO L85 PathProgramCache]: Analyzing trace with hash -562228081, now seen corresponding path program 1 times [2024-04-03 22:22:54,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:54,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260218386] [2024-04-03 22:22:54,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:54,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-03 22:22:54,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:54,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260218386] [2024-04-03 22:22:54,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260218386] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:54,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:54,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:22:54,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782506789] [2024-04-03 22:22:54,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:54,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:22:54,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:54,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:22:54,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:22:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:54,680 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:54,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:54,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:54,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:54,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-04-03 22:22:54,817 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2024-04-03 22:22:54,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:54,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1754507905, now seen corresponding path program 1 times [2024-04-03 22:22:54,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:54,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888416090] [2024-04-03 22:22:54,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:54,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-04-03 22:22:54,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:54,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888416090] [2024-04-03 22:22:54,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888416090] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:54,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:54,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:22:54,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012965128] [2024-04-03 22:22:54,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:54,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:22:54,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:55,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:22:55,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:22:55,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:55,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:55,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.428571428571427) internal successors, (206), 7 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:55,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:55,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:55,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:55,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:55,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-04-03 22:22:55,266 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2024-04-03 22:22:55,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:55,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1952784923, now seen corresponding path program 1 times [2024-04-03 22:22:55,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:55,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201156697] [2024-04-03 22:22:55,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:55,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:55,430 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-04-03 22:22:55,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:55,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201156697] [2024-04-03 22:22:55,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201156697] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:22:55,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:22:55,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:22:55,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050311874] [2024-04-03 22:22:55,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:22:55,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:22:55,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:55,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:22:55,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:22:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:55,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:55,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:55,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:55,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:55,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:55,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-04-03 22:22:55,662 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2024-04-03 22:22:55,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:55,663 INFO L85 PathProgramCache]: Analyzing trace with hash 181136939, now seen corresponding path program 1 times [2024-04-03 22:22:55,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:55,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220720254] [2024-04-03 22:22:55,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:55,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:55,825 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-04-03 22:22:55,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:55,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220720254] [2024-04-03 22:22:55,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220720254] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:55,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464144031] [2024-04-03 22:22:55,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:55,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:55,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:55,828 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:55,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-03 22:22:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:56,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:22:56,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:56,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:56,369 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 120 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-04-03 22:22:56,370 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:56,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:56,445 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-04-03 22:22:56,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464144031] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:56,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:56,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:22:56,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602579325] [2024-04-03 22:22:56,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:56,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:22:56,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:56,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:22:56,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-04-03 22:22:56,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:56,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:56,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.571428571428573) internal successors, (260), 14 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:56,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:56,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:56,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:56,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:56,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-03 22:22:56,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:56,924 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2024-04-03 22:22:56,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:56,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1018883173, now seen corresponding path program 1 times [2024-04-03 22:22:56,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:56,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489292075] [2024-04-03 22:22:56,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:56,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:57,049 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 135 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-03 22:22:57,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:57,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489292075] [2024-04-03 22:22:57,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489292075] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:57,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667402770] [2024-04-03 22:22:57,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:57,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:57,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:57,051 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:57,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-03 22:22:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:57,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:22:57,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:57,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:57,618 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 135 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-03 22:22:57,619 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:57,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 135 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-03 22:22:57,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667402770] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:57,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:57,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:22:57,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445236539] [2024-04-03 22:22:57,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:57,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:22:57,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:57,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:22:57,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:22:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:57,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:57,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 16.5) internal successors, (264), 16 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:57,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:57,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:57,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:57,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:57,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:22:58,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-03 22:22:58,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-04-03 22:22:58,221 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2024-04-03 22:22:58,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:22:58,221 INFO L85 PathProgramCache]: Analyzing trace with hash -49340867, now seen corresponding path program 1 times [2024-04-03 22:22:58,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:22:58,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363427356] [2024-04-03 22:22:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:58,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 135 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-03 22:22:58,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:22:58,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363427356] [2024-04-03 22:22:58,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363427356] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:22:58,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577983765] [2024-04-03 22:22:58,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:58,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:22:58,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:22:58,355 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:22:58,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-03 22:22:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:58,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:22:58,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:22:58,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:22:58,974 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 125 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-03 22:22:58,974 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:22:58,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:22:59,083 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 135 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-03 22:22:59,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577983765] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:22:59,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:22:59,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:22:59,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239678739] [2024-04-03 22:22:59,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:22:59,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:22:59,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:22:59,190 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:22:59,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:22:59,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1624669434, now seen corresponding path program 1 times [2024-04-03 22:22:59,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:59,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:22:59,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:22:59,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:22:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:22:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:22:59,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:22:59,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-04-03 22:22:59,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:59,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:22:59,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 16.59090909090909) internal successors, (365), 23 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:22:59,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:22:59,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:59,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:22:59,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:22:59,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:22:59,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:00,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:23:00,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:00,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-04-03 22:23:00,621 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2024-04-03 22:23:00,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:00,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1029669297, now seen corresponding path program 1 times [2024-04-03 22:23:00,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:00,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871038252] [2024-04-03 22:23:00,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:00,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 135 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-04-03 22:23:00,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:00,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871038252] [2024-04-03 22:23:00,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871038252] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:00,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524888886] [2024-04-03 22:23:00,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:00,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:00,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:00,749 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:00,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-03 22:23:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:01,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:23:01,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:01,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 130 proven. 15 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-04-03 22:23:01,406 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:01,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:01,534 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 135 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-04-03 22:23:01,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524888886] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:01,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:01,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:23:01,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425890235] [2024-04-03 22:23:01,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:01,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:23:01,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:01,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:23:01,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-04-03 22:23:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:01,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:01,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.857142857142858) internal successors, (250), 14 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:01,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:01,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:01,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:01,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:01,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:01,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:23:01,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:01,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:01,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:01,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:01,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:01,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:01,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:23:01,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:01,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:02,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-04-03 22:23:02,028 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2024-04-03 22:23:02,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:02,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1259614113, now seen corresponding path program 1 times [2024-04-03 22:23:02,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:02,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000632065] [2024-04-03 22:23:02,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:02,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 135 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-04-03 22:23:02,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:02,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000632065] [2024-04-03 22:23:02,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000632065] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:02,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730651292] [2024-04-03 22:23:02,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:02,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:02,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:02,147 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:02,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-03 22:23:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:02,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:23:02,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:02,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:02,787 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 135 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-04-03 22:23:02,787 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:02,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:02,941 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 135 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-04-03 22:23:02,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730651292] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:02,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:02,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:23:02,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108805130] [2024-04-03 22:23:02,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:02,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:23:02,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:02,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:23:02,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:23:02,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:02,989 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:02,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 15.9375) internal successors, (255), 16 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:23:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:23:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:03,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:03,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-04-03 22:23:03,322 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2024-04-03 22:23:03,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:03,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1661360343, now seen corresponding path program 1 times [2024-04-03 22:23:03,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:03,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846172183] [2024-04-03 22:23:03,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:03,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 115 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-03 22:23:03,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:03,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846172183] [2024-04-03 22:23:03,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846172183] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:03,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775574284] [2024-04-03 22:23:03,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:03,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:03,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:03,449 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:03,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-04-03 22:23:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:03,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:23:03,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:04,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:04,178 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 115 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-03 22:23:04,178 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:04,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:04,355 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 115 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-03 22:23:04,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775574284] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:04,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:04,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:23:04,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569289857] [2024-04-03 22:23:04,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:04,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:23:04,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:04,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:23:04,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:23:04,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:04,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:04,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 17.5625) internal successors, (281), 16 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:04,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:04,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:04,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:04,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:04,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:04,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:23:04,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:04,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:04,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:23:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:04,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:04,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:04,774 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2024-04-03 22:23:04,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:04,774 INFO L85 PathProgramCache]: Analyzing trace with hash 60440687, now seen corresponding path program 1 times [2024-04-03 22:23:04,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:04,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430522373] [2024-04-03 22:23:04,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:04,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:04,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:04,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:23:04,810 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:23:04,810 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 16 remaining) [2024-04-03 22:23:04,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 16 remaining) [2024-04-03 22:23:04,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 16 remaining) [2024-04-03 22:23:04,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 16 remaining) [2024-04-03 22:23:04,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 16 remaining) [2024-04-03 22:23:04,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 16 remaining) [2024-04-03 22:23:04,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 16 remaining) [2024-04-03 22:23:04,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining) [2024-04-03 22:23:04,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 16 remaining) [2024-04-03 22:23:04,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 16 remaining) [2024-04-03 22:23:04,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 16 remaining) [2024-04-03 22:23:04,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 16 remaining) [2024-04-03 22:23:04,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 16 remaining) [2024-04-03 22:23:04,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 16 remaining) [2024-04-03 22:23:04,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 16 remaining) [2024-04-03 22:23:04,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 16 remaining) [2024-04-03 22:23:04,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-04-03 22:23:04,813 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-03 22:23:04,813 WARN L233 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:23:04,813 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2024-04-03 22:23:04,867 INFO L144 ThreadInstanceAdder]: Constructed 28 joinOtherThreadTransitions. [2024-04-03 22:23:04,872 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:23:04,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:23:04,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:04,873 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:23:04,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (26)] Waiting until timeout for monitored process [2024-04-03 22:23:04,877 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:23:04,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:04,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:23:04,877 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:23:04,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-04-03 22:23:04,896 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-04-03 22:23:04,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:04,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1369794204, now seen corresponding path program 1 times [2024-04-03 22:23:04,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:04,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651136818] [2024-04-03 22:23:04,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:04,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-04-03 22:23:04,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:04,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651136818] [2024-04-03 22:23:04,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651136818] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:04,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:04,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:23:04,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162452471] [2024-04-03 22:23:04,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:04,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:23:04,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:04,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:23:04,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:23:04,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:04,982 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:04,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:05,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:05,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-04-03 22:23:05,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-04-03 22:23:05,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:05,110 INFO L85 PathProgramCache]: Analyzing trace with hash 822402012, now seen corresponding path program 1 times [2024-04-03 22:23:05,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:05,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872431325] [2024-04-03 22:23:05,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:05,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:05,294 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-04-03 22:23:05,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:05,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872431325] [2024-04-03 22:23:05,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872431325] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:05,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:05,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:23:05,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086335061] [2024-04-03 22:23:05,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:05,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:23:05,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:05,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:23:05,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:23:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:05,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:05,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.57142857142857) internal successors, (242), 7 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:05,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:05,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:05,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:05,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-04-03 22:23:05,596 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-04-03 22:23:05,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:05,596 INFO L85 PathProgramCache]: Analyzing trace with hash 263864102, now seen corresponding path program 2 times [2024-04-03 22:23:05,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:05,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38158440] [2024-04-03 22:23:05,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:05,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-04-03 22:23:05,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:05,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38158440] [2024-04-03 22:23:05,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38158440] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:05,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:05,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:23:05,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679448613] [2024-04-03 22:23:05,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:05,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:23:05,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:05,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:23:05,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:23:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:05,928 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:05,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.57142857142857) internal successors, (242), 7 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:05,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:05,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:05,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:06,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:06,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:06,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:06,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-04-03 22:23:06,182 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-04-03 22:23:06,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:06,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1955674334, now seen corresponding path program 3 times [2024-04-03 22:23:06,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:06,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810276974] [2024-04-03 22:23:06,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:06,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:06,391 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 155 proven. 5 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-03 22:23:06,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:06,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810276974] [2024-04-03 22:23:06,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810276974] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:06,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291310485] [2024-04-03 22:23:06,391 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 22:23:06,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:06,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:06,392 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:06,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-04-03 22:23:06,698 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-03 22:23:06,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:23:06,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-03 22:23:06,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:07,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:07,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:07,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:07,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:07,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:07,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:07,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:07,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:07,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:07,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:07,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:07,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:07,451 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 90 proven. 30 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-03 22:23:07,451 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:07,559 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:23:07,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:23:07,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:23:07,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:23:07,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:23:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 90 proven. 30 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-03 22:23:07,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291310485] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:07,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:07,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 23 [2024-04-03 22:23:07,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597749518] [2024-04-03 22:23:07,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:07,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-03 22:23:07,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:07,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:23:07,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=431, Unknown=3, NotChecked=0, Total=506 [2024-04-03 22:23:07,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:07,928 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:07,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 25.565217391304348) internal successors, (588), 23 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:07,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:07,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:07,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:07,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:23:08,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:08,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-04-03 22:23:08,869 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-04-03 22:23:08,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:08,870 INFO L85 PathProgramCache]: Analyzing trace with hash 929441942, now seen corresponding path program 1 times [2024-04-03 22:23:08,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:08,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125226067] [2024-04-03 22:23:08,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:08,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:09,024 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-04-03 22:23:09,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:09,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125226067] [2024-04-03 22:23:09,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125226067] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:09,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072145141] [2024-04-03 22:23:09,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:09,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:09,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:09,026 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:09,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-04-03 22:23:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:09,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:23:09,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:09,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:09,821 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-04-03 22:23:09,821 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:09,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-04-03 22:23:10,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072145141] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:10,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:10,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:23:10,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869442187] [2024-04-03 22:23:10,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:10,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:23:10,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:10,110 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:10,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:23:10,264 INFO L85 PathProgramCache]: Analyzing trace with hash 2012318523, now seen corresponding path program 1 times [2024-04-03 22:23:10,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:10,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:23:10,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:10,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:23:10,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-03 22:23:10,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-04-03 22:23:10,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:10,577 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:10,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 17.17391304347826) internal successors, (395), 24 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:10,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:10,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:10,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:10,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:23:10,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:23:11,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:11,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:11,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-04-03 22:23:11,547 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-04-03 22:23:11,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:11,547 INFO L85 PathProgramCache]: Analyzing trace with hash 433494658, now seen corresponding path program 1 times [2024-04-03 22:23:11,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:11,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197510442] [2024-04-03 22:23:11,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:11,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:11,728 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 175 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-04-03 22:23:11,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:11,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197510442] [2024-04-03 22:23:11,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197510442] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:11,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446358047] [2024-04-03 22:23:11,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:11,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:11,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:11,729 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:11,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-04-03 22:23:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:12,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:23:12,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:12,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 170 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-04-03 22:23:12,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:12,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 175 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-04-03 22:23:12,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446358047] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:12,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:12,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:23:12,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365674582] [2024-04-03 22:23:12,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:12,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:23:12,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:12,666 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:12,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:23:12,717 INFO L85 PathProgramCache]: Analyzing trace with hash -954511451, now seen corresponding path program 1 times [2024-04-03 22:23:12,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:12,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:12,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:12,826 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:12,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:23:13,006 INFO L85 PathProgramCache]: Analyzing trace with hash -954511451, now seen corresponding path program 2 times [2024-04-03 22:23:13,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:13,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:13,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:13,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:23:13,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:23:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:13,078 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:13,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.428571428571427) internal successors, (258), 14 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:13,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:13,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:13,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:13,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:23:13,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:13,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:23:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:23:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:13,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-04-03 22:23:13,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:13,513 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-04-03 22:23:13,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:13,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1556549461, now seen corresponding path program 1 times [2024-04-03 22:23:13,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:13,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808049331] [2024-04-03 22:23:13,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:13,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 65 proven. 135 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-03 22:23:13,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:13,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808049331] [2024-04-03 22:23:13,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808049331] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:13,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342881196] [2024-04-03 22:23:13,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:13,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:13,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:13,722 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:13,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-04-03 22:23:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:14,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-03 22:23:14,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:14,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:14,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:14,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:14,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 65 proven. 135 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-03 22:23:14,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:14,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:23:14,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:23:14,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:23:14,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:23:14,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:23:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 65 proven. 135 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-03 22:23:15,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342881196] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:15,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:15,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2024-04-03 22:23:15,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368900108] [2024-04-03 22:23:15,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:15,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-03 22:23:15,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:15,344 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:15,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:23:15,403 INFO L85 PathProgramCache]: Analyzing trace with hash -954511451, now seen corresponding path program 3 times [2024-04-03 22:23:15,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:15,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:15,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:15,532 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:15,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:23:15,690 INFO L85 PathProgramCache]: Analyzing trace with hash -954511451, now seen corresponding path program 4 times [2024-04-03 22:23:15,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:15,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:15,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:15,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-03 22:23:15,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=425, Unknown=0, NotChecked=0, Total=506 [2024-04-03 22:23:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:15,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:15,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 16.19047619047619) internal successors, (340), 21 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:15,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:15,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:15,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:15,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:23:15,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:23:15,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:15,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:16,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:23:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:23:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:23:16,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:16,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:16,212 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-04-03 22:23:16,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:16,212 INFO L85 PathProgramCache]: Analyzing trace with hash 144320374, now seen corresponding path program 1 times [2024-04-03 22:23:16,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:16,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568288837] [2024-04-03 22:23:16,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:16,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:16,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:16,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:23:16,256 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:23:16,256 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 18 remaining) [2024-04-03 22:23:16,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 18 remaining) [2024-04-03 22:23:16,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 18 remaining) [2024-04-03 22:23:16,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 18 remaining) [2024-04-03 22:23:16,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 18 remaining) [2024-04-03 22:23:16,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 18 remaining) [2024-04-03 22:23:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 18 remaining) [2024-04-03 22:23:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 18 remaining) [2024-04-03 22:23:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 18 remaining) [2024-04-03 22:23:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 18 remaining) [2024-04-03 22:23:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 18 remaining) [2024-04-03 22:23:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 18 remaining) [2024-04-03 22:23:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 18 remaining) [2024-04-03 22:23:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 18 remaining) [2024-04-03 22:23:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 18 remaining) [2024-04-03 22:23:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 18 remaining) [2024-04-03 22:23:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 18 remaining) [2024-04-03 22:23:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 18 remaining) [2024-04-03 22:23:16,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-04-03 22:23:16,258 INFO L445 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1, 1, 1] [2024-04-03 22:23:16,258 WARN L233 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:23:16,258 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2024-04-03 22:23:16,322 INFO L144 ThreadInstanceAdder]: Constructed 32 joinOtherThreadTransitions. [2024-04-03 22:23:16,327 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:23:16,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:23:16,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:16,328 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:23:16,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (31)] Waiting until timeout for monitored process [2024-04-03 22:23:16,331 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:23:16,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:16,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:23:16,332 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:23:16,332 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-04-03 22:23:16,351 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-04-03 22:23:16,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:16,351 INFO L85 PathProgramCache]: Analyzing trace with hash -979896674, now seen corresponding path program 1 times [2024-04-03 22:23:16,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:16,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728977862] [2024-04-03 22:23:16,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:16,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:16,416 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:23:16,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:16,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728977862] [2024-04-03 22:23:16,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728977862] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:16,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:16,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:23:16,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729293335] [2024-04-03 22:23:16,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:16,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:23:16,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:16,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:23:16,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:23:16,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:16,491 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:16,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:16,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:16,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-04-03 22:23:16,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-04-03 22:23:16,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:16,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1976399162, now seen corresponding path program 1 times [2024-04-03 22:23:16,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:16,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525906165] [2024-04-03 22:23:16,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:16,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-04-03 22:23:16,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:16,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525906165] [2024-04-03 22:23:16,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525906165] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:16,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:16,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:23:16,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010014480] [2024-04-03 22:23:16,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:16,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:23:16,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:16,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:23:16,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:23:16,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:16,955 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:16,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 39.714285714285715) internal successors, (278), 7 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:16,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:16,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:17,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:17,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:17,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-04-03 22:23:17,206 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-04-03 22:23:17,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:17,207 INFO L85 PathProgramCache]: Analyzing trace with hash -13722364, now seen corresponding path program 2 times [2024-04-03 22:23:17,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:17,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450165807] [2024-04-03 22:23:17,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:17,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-04-03 22:23:17,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:17,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450165807] [2024-04-03 22:23:17,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450165807] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:17,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:17,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:23:17,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340728331] [2024-04-03 22:23:17,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:17,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:23:17,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:17,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:23:17,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:23:17,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:17,547 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:17,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 39.714285714285715) internal successors, (278), 7 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:17,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:17,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:17,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:17,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:17,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:17,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:17,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-04-03 22:23:17,793 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-04-03 22:23:17,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:17,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1736697584, now seen corresponding path program 3 times [2024-04-03 22:23:17,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:17,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559660572] [2024-04-03 22:23:17,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:17,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-04-03 22:23:17,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:17,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559660572] [2024-04-03 22:23:17,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559660572] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:17,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059883957] [2024-04-03 22:23:17,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 22:23:17,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:17,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:17,994 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:17,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-04-03 22:23:18,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-03 22:23:18,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:23:18,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-03 22:23:18,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:18,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:18,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:18,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:18,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:18,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:18,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:18,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:18,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:18,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:19,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:19,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:19,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:19,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:19,155 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 155 proven. 30 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-04-03 22:23:19,156 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:19,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:23:19,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:23:19,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:23:19,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:23:19,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:23:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 155 proven. 30 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-04-03 22:23:19,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059883957] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:19,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:19,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 23 [2024-04-03 22:23:19,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41768529] [2024-04-03 22:23:19,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:19,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-03 22:23:19,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:19,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:23:19,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=430, Unknown=4, NotChecked=0, Total=506 [2024-04-03 22:23:19,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:19,617 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:19,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 27.130434782608695) internal successors, (624), 23 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:20,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:20,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:20,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:20,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 22:23:20,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-04-03 22:23:20,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:20,698 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-04-03 22:23:20,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:20,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1150723909, now seen corresponding path program 1 times [2024-04-03 22:23:20,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:20,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256276633] [2024-04-03 22:23:20,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:20,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:20,976 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-03 22:23:20,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:20,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256276633] [2024-04-03 22:23:20,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256276633] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:20,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:20,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:23:20,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584809925] [2024-04-03 22:23:20,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:20,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:23:20,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:21,067 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:21,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-04-03 22:23:21,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1919009147, now seen corresponding path program 1 times [2024-04-03 22:23:21,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:21,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:21,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:23:21,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:21,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:21,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:23:21,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:23:21,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:23:21,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:21,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:21,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 22.133333333333333) internal successors, (332), 16 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 22:23:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:23:22,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65 [2024-04-03 22:23:22,416 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-04-03 22:23:22,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:22,417 INFO L85 PathProgramCache]: Analyzing trace with hash 963390384, now seen corresponding path program 1 times [2024-04-03 22:23:22,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:22,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671292561] [2024-04-03 22:23:22,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:22,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 215 proven. 10 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-04-03 22:23:22,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:22,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671292561] [2024-04-03 22:23:22,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671292561] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:22,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192639156] [2024-04-03 22:23:22,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:22,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:22,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:22,589 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:22,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-04-03 22:23:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:22,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:23:22,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:23,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 210 proven. 15 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-04-03 22:23:23,413 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:23,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:23,562 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 215 proven. 10 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-04-03 22:23:23,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192639156] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:23,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:23,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:23:23,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528573866] [2024-04-03 22:23:23,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:23,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:23:23,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:23,656 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:23,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:23:23,702 INFO L85 PathProgramCache]: Analyzing trace with hash -349879933, now seen corresponding path program 1 times [2024-04-03 22:23:23,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:23,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:23,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:23,799 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:23,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:23:23,898 INFO L85 PathProgramCache]: Analyzing trace with hash -349879933, now seen corresponding path program 2 times [2024-04-03 22:23:23,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:23,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:23,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:24,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:23:24,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:23:24,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:24,007 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:24,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 22.071428571428573) internal successors, (309), 14 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:23:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:23:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:24,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-04-03 22:23:24,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68 [2024-04-03 22:23:24,539 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-04-03 22:23:24,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:24,539 INFO L85 PathProgramCache]: Analyzing trace with hash -234420794, now seen corresponding path program 1 times [2024-04-03 22:23:24,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:24,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60474936] [2024-04-03 22:23:24,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:24,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 215 proven. 15 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-04-03 22:23:24,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:24,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60474936] [2024-04-03 22:23:24,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60474936] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:24,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801937482] [2024-04-03 22:23:24,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:24,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:24,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:24,688 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:24,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-04-03 22:23:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:25,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:23:25,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:25,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:25,882 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 90 proven. 155 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-04-03 22:23:25,882 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:25,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:26,211 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 175 proven. 70 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-04-03 22:23:26,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801937482] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:26,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:26,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:23:26,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658554496] [2024-04-03 22:23:26,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:26,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:23:26,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:26,312 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:26,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:23:26,395 INFO L85 PathProgramCache]: Analyzing trace with hash -349879933, now seen corresponding path program 3 times [2024-04-03 22:23:26,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:26,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:26,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:26,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:23:26,593 INFO L85 PathProgramCache]: Analyzing trace with hash -349879933, now seen corresponding path program 4 times [2024-04-03 22:23:26,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:26,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:26,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:26,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:23:26,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:23:26,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:26,721 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:26,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 25.27777777777778) internal successors, (455), 18 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:26,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:26,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:26,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:26,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:26,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:23:26,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:26,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:27,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:23:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:27,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:27,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable69,34 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:27,473 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-04-03 22:23:27,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:27,473 INFO L85 PathProgramCache]: Analyzing trace with hash 748736618, now seen corresponding path program 1 times [2024-04-03 22:23:27,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:27,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020243992] [2024-04-03 22:23:27,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:27,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 175 proven. 75 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-04-03 22:23:27,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:27,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020243992] [2024-04-03 22:23:27,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020243992] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:27,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602316055] [2024-04-03 22:23:27,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:27,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:27,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:27,633 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:27,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-04-03 22:23:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:28,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:23:28,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:28,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:28,839 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 115 proven. 135 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-04-03 22:23:28,840 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:28,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 175 proven. 75 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-04-03 22:23:29,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602316055] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:29,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:29,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:23:29,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499984025] [2024-04-03 22:23:29,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:29,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:23:29,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:29,212 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:29,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:23:29,360 INFO L85 PathProgramCache]: Analyzing trace with hash -349879933, now seen corresponding path program 5 times [2024-04-03 22:23:29,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:29,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:29,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:29,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:23:29,514 INFO L85 PathProgramCache]: Analyzing trace with hash -349879933, now seen corresponding path program 6 times [2024-04-03 22:23:29,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:29,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:29,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:29,659 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:29,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:23:29,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1807074976, now seen corresponding path program 1 times [2024-04-03 22:23:29,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:29,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:23:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:30,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:23:30,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:23:30,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2024-04-03 22:23:30,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:30,256 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:30,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 22.818181818181817) internal successors, (502), 23 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:23:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:31,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:31,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:31,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:31,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:31,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:31,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:31,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:31,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:31,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:31,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,35 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2024-04-03 22:23:31,408 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-04-03 22:23:31,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:31,408 INFO L85 PathProgramCache]: Analyzing trace with hash -886604786, now seen corresponding path program 1 times [2024-04-03 22:23:31,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:31,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092499179] [2024-04-03 22:23:31,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:31,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 175 proven. 60 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-03 22:23:31,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:31,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092499179] [2024-04-03 22:23:31,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092499179] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:31,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019875737] [2024-04-03 22:23:31,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:31,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:31,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:31,590 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:31,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-04-03 22:23:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:32,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:23:32,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:32,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 140 proven. 95 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-03 22:23:32,766 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:32,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 175 proven. 60 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-03 22:23:33,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019875737] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:33,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:33,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:23:33,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294894003] [2024-04-03 22:23:33,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:33,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:23:33,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:33,117 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:33,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:23:33,261 INFO L85 PathProgramCache]: Analyzing trace with hash -349879933, now seen corresponding path program 7 times [2024-04-03 22:23:33,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:33,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:33,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:33,377 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:33,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:23:33,427 INFO L85 PathProgramCache]: Analyzing trace with hash -349879933, now seen corresponding path program 8 times [2024-04-03 22:23:33,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:33,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:33,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:33,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:23:33,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:23:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:33,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:33,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 23.571428571428573) internal successors, (330), 14 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:33,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:33,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:33,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:33,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:33,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:33,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:33,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:33,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:33,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:33,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:33,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,SelfDestructingSolverStorable79 [2024-04-03 22:23:33,908 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-04-03 22:23:33,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:33,908 INFO L85 PathProgramCache]: Analyzing trace with hash 262778927, now seen corresponding path program 1 times [2024-04-03 22:23:33,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:33,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350675591] [2024-04-03 22:23:33,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:33,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-04-03 22:23:34,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:34,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350675591] [2024-04-03 22:23:34,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350675591] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:34,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:34,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-04-03 22:23:34,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784501755] [2024-04-03 22:23:34,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:34,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-03 22:23:34,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:34,282 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:34,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:23:34,442 INFO L85 PathProgramCache]: Analyzing trace with hash -349879933, now seen corresponding path program 9 times [2024-04-03 22:23:34,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:34,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:34,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:34,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:23:34,654 INFO L85 PathProgramCache]: Analyzing trace with hash -349879933, now seen corresponding path program 10 times [2024-04-03 22:23:34,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:34,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:34,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:34,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-03 22:23:34,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-04-03 22:23:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:34,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:34,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 9 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:34,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:34,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:34,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:34,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:34,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:34,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:34,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:34,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:34,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:34,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:34,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:34,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:23:34,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82 [2024-04-03 22:23:34,970 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-04-03 22:23:34,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:34,970 INFO L85 PathProgramCache]: Analyzing trace with hash -2130510, now seen corresponding path program 1 times [2024-04-03 22:23:34,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:34,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230863967] [2024-04-03 22:23:34,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:34,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:35,132 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 175 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-04-03 22:23:35,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:35,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230863967] [2024-04-03 22:23:35,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230863967] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:35,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863679335] [2024-04-03 22:23:35,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:35,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:35,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:35,134 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:35,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-04-03 22:23:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:35,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:23:35,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:36,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 165 proven. 35 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-04-03 22:23:36,267 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:36,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 175 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-04-03 22:23:36,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863679335] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:36,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:36,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:23:36,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061213467] [2024-04-03 22:23:36,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:36,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:23:36,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:36,659 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:36,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:23:36,798 INFO L85 PathProgramCache]: Analyzing trace with hash -349879933, now seen corresponding path program 11 times [2024-04-03 22:23:36,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:36,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:36,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:36,895 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:36,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:23:36,998 INFO L85 PathProgramCache]: Analyzing trace with hash -349879933, now seen corresponding path program 12 times [2024-04-03 22:23:36,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:36,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:37,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:37,122 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:37,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:23:37,169 INFO L85 PathProgramCache]: Analyzing trace with hash -867521761, now seen corresponding path program 1 times [2024-04-03 22:23:37,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:37,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:37,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:37,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:23:37,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-04-03 22:23:37,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:37,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:37,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 22.428571428571427) internal successors, (314), 14 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:37,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:37,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:37,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:37,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:37,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:37,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:37,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:37,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:37,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:37,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:23:37,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:23:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:37,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:37,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,37 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86 [2024-04-03 22:23:37,666 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-04-03 22:23:37,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:37,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2777645, now seen corresponding path program 1 times [2024-04-03 22:23:37,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:37,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473766462] [2024-04-03 22:23:37,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:37,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:37,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:37,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:23:37,716 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 20 remaining) [2024-04-03 22:23:37,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 20 remaining) [2024-04-03 22:23:37,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 20 remaining) [2024-04-03 22:23:37,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 20 remaining) [2024-04-03 22:23:37,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 20 remaining) [2024-04-03 22:23:37,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 20 remaining) [2024-04-03 22:23:37,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 20 remaining) [2024-04-03 22:23:37,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 20 remaining) [2024-04-03 22:23:37,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-04-03 22:23:37,720 INFO L445 BasicCegarLoop]: Path program histogram: [12, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-03 22:23:37,721 WARN L233 ceAbstractionStarter]: 8 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:23:37,721 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 9 thread instances. [2024-04-03 22:23:37,793 INFO L144 ThreadInstanceAdder]: Constructed 36 joinOtherThreadTransitions. [2024-04-03 22:23:37,799 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:23:37,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:23:37,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:37,800 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:23:37,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (38)] Waiting until timeout for monitored process [2024-04-03 22:23:37,803 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:23:37,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:37,803 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:23:37,804 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:23:37,804 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-04-03 22:23:37,830 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:23:37,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:37,830 INFO L85 PathProgramCache]: Analyzing trace with hash 308146045, now seen corresponding path program 1 times [2024-04-03 22:23:37,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:37,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508113153] [2024-04-03 22:23:37,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:37,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:37,861 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-03 22:23:37,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:37,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508113153] [2024-04-03 22:23:37,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508113153] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:37,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:37,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:23:37,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602775970] [2024-04-03 22:23:37,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:37,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:23:37,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:37,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:23:37,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:23:37,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:37,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:37,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 88.5) internal successors, (177), 2 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:37,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:38,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:38,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-04-03 22:23:38,139 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:23:38,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:38,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1231067193, now seen corresponding path program 1 times [2024-04-03 22:23:38,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:38,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709082911] [2024-04-03 22:23:38,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:38,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:38,384 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-03 22:23:38,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:38,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709082911] [2024-04-03 22:23:38,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709082911] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:38,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:38,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:23:38,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641511079] [2024-04-03 22:23:38,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:38,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:23:38,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:38,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:23:38,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:23:38,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:38,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:38,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.857142857142854) internal successors, (314), 7 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:38,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:38,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:38,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:38,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:38,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-04-03 22:23:38,771 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:23:38,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:38,771 INFO L85 PathProgramCache]: Analyzing trace with hash -727954121, now seen corresponding path program 2 times [2024-04-03 22:23:38,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:38,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42953991] [2024-04-03 22:23:38,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:38,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:39,076 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-04-03 22:23:39,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:39,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42953991] [2024-04-03 22:23:39,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42953991] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:39,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:39,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:23:39,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976884823] [2024-04-03 22:23:39,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:39,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:23:39,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:39,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:23:39,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:23:39,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:39,187 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:39,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.857142857142854) internal successors, (314), 7 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:39,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:39,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:39,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:39,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:39,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:39,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:39,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-04-03 22:23:39,452 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:23:39,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:39,452 INFO L85 PathProgramCache]: Analyzing trace with hash -313753141, now seen corresponding path program 3 times [2024-04-03 22:23:39,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:39,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609004233] [2024-04-03 22:23:39,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:39,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:39,683 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 215 proven. 5 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-04-03 22:23:39,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:39,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609004233] [2024-04-03 22:23:39,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609004233] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:39,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555058942] [2024-04-03 22:23:39,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 22:23:39,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:39,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:39,684 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:39,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-04-03 22:23:40,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-03 22:23:40,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:23:40,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-03 22:23:40,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:40,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:40,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:40,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:40,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:40,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:40,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:40,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:40,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:40,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:40,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:40,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:23:40,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:23:40,987 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 220 proven. 30 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:23:40,987 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:41,034 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4732 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_4732) |c_~#mutex1~0.base|) |c_~#mutex1~0.offset|) 0))) is different from false [2024-04-03 22:23:41,075 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:23:41,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:23:41,082 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:23:41,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:23:41,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:23:41,259 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 195 proven. 30 refuted. 0 times theorem prover too weak. 155 trivial. 25 not checked. [2024-04-03 22:23:41,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555058942] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:41,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:41,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 23 [2024-04-03 22:23:41,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921677052] [2024-04-03 22:23:41,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:41,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-03 22:23:41,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:41,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:23:41,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=396, Unknown=1, NotChecked=40, Total=506 [2024-04-03 22:23:41,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:41,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:41,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 28.695652173913043) internal successors, (660), 23 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:41,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:41,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:41,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:41,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:42,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:42,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:42,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:42,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 22:23:42,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:42,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,39 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:42,742 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:23:42,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:42,742 INFO L85 PathProgramCache]: Analyzing trace with hash -347368643, now seen corresponding path program 1 times [2024-04-03 22:23:42,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:42,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687484929] [2024-04-03 22:23:42,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:42,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:42,953 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-03 22:23:42,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:42,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687484929] [2024-04-03 22:23:42,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687484929] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:42,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:42,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:23:42,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010657676] [2024-04-03 22:23:42,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:42,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:23:42,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:43,036 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:43,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:23:43,088 INFO L85 PathProgramCache]: Analyzing trace with hash 739926907, now seen corresponding path program 1 times [2024-04-03 22:23:43,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:43,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:23:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:43,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:23:43,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:23:43,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:23:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:43,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:43,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 23.333333333333332) internal successors, (350), 16 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 22:23:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:44,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:23:44,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,SelfDestructingSolverStorable94 [2024-04-03 22:23:44,419 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:23:44,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:44,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1229552491, now seen corresponding path program 1 times [2024-04-03 22:23:44,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:44,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563846011] [2024-04-03 22:23:44,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:44,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 255 proven. 10 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-04-03 22:23:44,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:44,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563846011] [2024-04-03 22:23:44,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563846011] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:44,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563437219] [2024-04-03 22:23:44,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:44,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:44,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:44,604 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:44,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-04-03 22:23:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:45,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:23:45,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:45,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 250 proven. 15 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-04-03 22:23:45,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:45,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:45,612 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 255 proven. 10 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-04-03 22:23:45,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563437219] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:45,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:45,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:23:45,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129631681] [2024-04-03 22:23:45,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:45,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:23:45,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:45,701 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:45,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:23:45,801 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 1 times [2024-04-03 22:23:45,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:45,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:45,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:45,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:23:45,969 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 2 times [2024-04-03 22:23:45,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:45,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:45,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:46,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:23:46,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:23:46,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:46,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:46,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 24.071428571428573) internal successors, (337), 14 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:46,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:46,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:46,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:46,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:46,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:23:46,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:46,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:46,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:46,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:46,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:46,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:23:46,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:46,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-04-03 22:23:46,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,40 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:46,759 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:23:46,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:46,760 INFO L85 PathProgramCache]: Analyzing trace with hash -746806813, now seen corresponding path program 1 times [2024-04-03 22:23:46,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:46,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278235435] [2024-04-03 22:23:46,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:46,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 290 proven. 15 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-04-03 22:23:46,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:46,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278235435] [2024-04-03 22:23:46,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278235435] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:46,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211024484] [2024-04-03 22:23:46,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:46,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:46,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:46,934 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:46,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-04-03 22:23:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:47,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:23:47,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:48,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 170 proven. 155 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-03 22:23:48,178 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:48,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 255 proven. 70 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-03 22:23:48,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211024484] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:48,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:48,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:23:48,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485961873] [2024-04-03 22:23:48,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:48,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:23:48,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:48,606 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:48,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:23:48,675 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 3 times [2024-04-03 22:23:48,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:48,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:48,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:48,789 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:48,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:23:48,853 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 4 times [2024-04-03 22:23:48,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:48,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:48,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:49,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:23:49,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:23:49,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:49,058 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:49,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 26.88888888888889) internal successors, (484), 18 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:49,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:49,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:49,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:49,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:49,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:23:49,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:49,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:23:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:49,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-04-03 22:23:49,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98,SelfDestructingSolverStorable99,SelfDestructingSolverStorable100 [2024-04-03 22:23:49,898 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:23:49,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:49,899 INFO L85 PathProgramCache]: Analyzing trace with hash 364474183, now seen corresponding path program 1 times [2024-04-03 22:23:49,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:49,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49574146] [2024-04-03 22:23:49,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:49,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 255 proven. 75 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-04-03 22:23:50,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:50,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49574146] [2024-04-03 22:23:50,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49574146] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:50,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122697297] [2024-04-03 22:23:50,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:50,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:50,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:50,094 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:50,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-04-03 22:23:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:50,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:23:50,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:51,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:51,361 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 195 proven. 135 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-04-03 22:23:51,362 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:51,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 255 proven. 75 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-04-03 22:23:51,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122697297] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:51,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:51,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:23:51,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900139569] [2024-04-03 22:23:51,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:51,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:23:51,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:51,729 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:51,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:23:51,772 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 5 times [2024-04-03 22:23:51,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:51,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:51,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:51,875 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:51,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:23:51,980 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 6 times [2024-04-03 22:23:51,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:51,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:51,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:52,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:23:52,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2011463984, now seen corresponding path program 1 times [2024-04-03 22:23:52,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:52,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:23:52,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:52,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:52,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:23:52,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:23:52,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2024-04-03 22:23:52,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:52,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:52,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 24.09090909090909) internal successors, (530), 23 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:52,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:52,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:52,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:52,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:52,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:23:52,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:52,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:52,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:53,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-04-03 22:23:53,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104,SelfDestructingSolverStorable105,SelfDestructingSolverStorable101,SelfDestructingSolverStorable102,SelfDestructingSolverStorable103 [2024-04-03 22:23:53,842 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:23:53,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:53,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1287724437, now seen corresponding path program 1 times [2024-04-03 22:23:53,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:53,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814741695] [2024-04-03 22:23:53,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:53,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 255 proven. 60 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-04-03 22:23:54,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:54,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814741695] [2024-04-03 22:23:54,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814741695] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:54,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353169283] [2024-04-03 22:23:54,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:54,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:54,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:54,010 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:54,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-04-03 22:23:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:54,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:23:54,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:55,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 220 proven. 95 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-04-03 22:23:55,259 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:55,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 255 proven. 60 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-04-03 22:23:55,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353169283] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:55,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:55,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:23:55,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165571803] [2024-04-03 22:23:55,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:55,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:23:55,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:55,690 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:55,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-04-03 22:23:55,741 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 7 times [2024-04-03 22:23:55,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:55,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:55,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:55,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:23:56,002 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 8 times [2024-04-03 22:23:56,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:56,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:56,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:56,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:23:56,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:23:56,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:56,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:56,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 25.357142857142858) internal successors, (355), 14 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:56,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:56,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:56,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:56,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:56,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:56,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:56,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:56,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:56,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:56,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-04-03 22:23:56,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,SelfDestructingSolverStorable106,SelfDestructingSolverStorable107,43 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:56,546 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:23:56,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:56,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1241400433, now seen corresponding path program 1 times [2024-04-03 22:23:56,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:56,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431472451] [2024-04-03 22:23:56,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:56,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:56,714 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 235 proven. 25 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-04-03 22:23:56,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:56,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431472451] [2024-04-03 22:23:56,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431472451] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:23:56,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682444318] [2024-04-03 22:23:56,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:56,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:56,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:23:56,716 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:23:56,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-04-03 22:23:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:57,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:23:57,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:23:57,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:23:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 235 proven. 25 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-04-03 22:23:57,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:23:58,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:23:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 235 proven. 25 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-04-03 22:23:58,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682444318] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:23:58,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:23:58,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:23:58,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126209392] [2024-04-03 22:23:58,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:23:58,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:23:58,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:58,375 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:58,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:23:58,418 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 9 times [2024-04-03 22:23:58,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:58,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:58,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:58,591 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:58,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:23:58,695 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 10 times [2024-04-03 22:23:58,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:58,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:58,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:58,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:23:58,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-04-03 22:23:58,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:58,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:58,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 22.5625) internal successors, (361), 16 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:58,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:58,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:58,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:58,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:58,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:58,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:58,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:58,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:58,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:58,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:58,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-04-03 22:23:59,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,SelfDestructingSolverStorable109,SelfDestructingSolverStorable111,44 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:23:59,179 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:23:59,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:23:59,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1311448661, now seen corresponding path program 1 times [2024-04-03 22:23:59,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:23:59,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119130746] [2024-04-03 22:23:59,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:59,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:23:59,432 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-03 22:23:59,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:23:59,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119130746] [2024-04-03 22:23:59,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119130746] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:23:59,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:23:59,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-04-03 22:23:59,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981465496] [2024-04-03 22:23:59,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:23:59,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-03 22:23:59,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:23:59,515 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:23:59,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-04-03 22:23:59,613 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 11 times [2024-04-03 22:23:59,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:59,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:59,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:59,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:23:59,779 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 12 times [2024-04-03 22:23:59,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:23:59,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:23:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:59,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:23:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:23:59,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-03 22:23:59,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-04-03 22:23:59,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:59,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:23:59,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.0) internal successors, (189), 9 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:23:59,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:23:59,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:59,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:23:59,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:23:59,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:23:59,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:23:59,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:23:59,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:23:59,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:59,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:23:59,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:24:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:24:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:24:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:00,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112,SelfDestructingSolverStorable113,SelfDestructingSolverStorable114 [2024-04-03 22:24:00,122 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:24:00,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:00,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1027205183, now seen corresponding path program 1 times [2024-04-03 22:24:00,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:00,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817492091] [2024-04-03 22:24:00,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:00,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 255 proven. 25 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-03 22:24:00,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:00,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817492091] [2024-04-03 22:24:00,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817492091] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:00,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756152271] [2024-04-03 22:24:00,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:00,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:00,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:00,285 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:00,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-04-03 22:24:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:00,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:24:00,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:01,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:01,596 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 245 proven. 35 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-03 22:24:01,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:01,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:24:01,883 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 255 proven. 25 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-03 22:24:01,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756152271] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:01,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:01,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:24:01,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645618611] [2024-04-03 22:24:01,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:01,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:24:01,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:01,970 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:24:01,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:24:02,015 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 13 times [2024-04-03 22:24:02,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:02,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:02,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:24:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:02,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:24:02,214 INFO L85 PathProgramCache]: Analyzing trace with hash -912701341, now seen corresponding path program 14 times [2024-04-03 22:24:02,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:02,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:02,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:24:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:02,348 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:24:02,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:24:02,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1031693393, now seen corresponding path program 1 times [2024-04-03 22:24:02,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:02,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:02,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:24:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:02,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:24:02,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-04-03 22:24:02,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:02,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:02,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 23.714285714285715) internal successors, (332), 14 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:02,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:02,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:02,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:02,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:24:02,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:24:02,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:02,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:02,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:24:02,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:02,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:02,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:02,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 22:24:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:24:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:24:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:02,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-04-03 22:24:02,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115,45 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116,SelfDestructingSolverStorable117,SelfDestructingSolverStorable118 [2024-04-03 22:24:02,894 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 19 more)] === [2024-04-03 22:24:02,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:02,894 INFO L85 PathProgramCache]: Analyzing trace with hash 920781063, now seen corresponding path program 1 times [2024-04-03 22:24:02,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:02,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286216831] [2024-04-03 22:24:02,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:02,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:02,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:24:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:02,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:24:02,951 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 22 remaining) [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 22 remaining) [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 22 remaining) [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 22 remaining) [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 22 remaining) [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 22 remaining) [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 22 remaining) [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 22 remaining) [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 22 remaining) [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 22 remaining) [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 22 remaining) [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 22 remaining) [2024-04-03 22:24:02,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 22 remaining) [2024-04-03 22:24:02,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 22 remaining) [2024-04-03 22:24:02,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 22 remaining) [2024-04-03 22:24:02,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 22 remaining) [2024-04-03 22:24:02,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 22 remaining) [2024-04-03 22:24:02,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 22 remaining) [2024-04-03 22:24:02,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 22 remaining) [2024-04-03 22:24:02,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 22 remaining) [2024-04-03 22:24:02,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 22 remaining) [2024-04-03 22:24:02,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 22 remaining) [2024-04-03 22:24:02,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2024-04-03 22:24:02,954 INFO L445 BasicCegarLoop]: Path program histogram: [14, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-03 22:24:02,954 WARN L233 ceAbstractionStarter]: 9 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:24:02,954 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 10 thread instances. [2024-04-03 22:24:03,061 INFO L144 ThreadInstanceAdder]: Constructed 40 joinOtherThreadTransitions. [2024-04-03 22:24:03,067 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:24:03,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:24:03,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:03,068 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:24:03,071 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:24:03,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:03,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:24:03,072 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:24:03,072 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-04-03 22:24:03,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (46)] Waiting until timeout for monitored process [2024-04-03 22:24:03,101 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:03,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:03,102 INFO L85 PathProgramCache]: Analyzing trace with hash -815796399, now seen corresponding path program 1 times [2024-04-03 22:24:03,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:03,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207337379] [2024-04-03 22:24:03,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:03,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-04-03 22:24:03,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:03,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207337379] [2024-04-03 22:24:03,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207337379] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:03,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:24:03,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:24:03,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110672923] [2024-04-03 22:24:03,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:03,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:24:03,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:03,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:24:03,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:24:03,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:03,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:03,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 95.5) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:03,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:03,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:03,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2024-04-03 22:24:03,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:03,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:03,453 INFO L85 PathProgramCache]: Analyzing trace with hash 296811636, now seen corresponding path program 1 times [2024-04-03 22:24:03,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:03,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28440802] [2024-04-03 22:24:03,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:03,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-03 22:24:03,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:03,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28440802] [2024-04-03 22:24:03,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28440802] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:03,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:24:03,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:24:03,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754668277] [2024-04-03 22:24:03,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:03,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:24:03,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:03,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:24:03,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:24:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:03,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:03,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 49.42857142857143) internal successors, (346), 7 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:03,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:03,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:04,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:04,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:04,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2024-04-03 22:24:04,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:04,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:04,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1719824182, now seen corresponding path program 2 times [2024-04-03 22:24:04,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:04,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838061908] [2024-04-03 22:24:04,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:04,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-04-03 22:24:04,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:04,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838061908] [2024-04-03 22:24:04,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838061908] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:04,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:24:04,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:24:04,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652222406] [2024-04-03 22:24:04,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:04,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:24:04,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:04,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:24:04,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:24:04,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:04,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:04,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 49.42857142857143) internal successors, (346), 7 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:04,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:04,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:04,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:04,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2024-04-03 22:24:04,840 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:04,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:04,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1686923930, now seen corresponding path program 3 times [2024-04-03 22:24:04,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:04,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627321633] [2024-04-03 22:24:04,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:04,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:05,160 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 245 proven. 5 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-03 22:24:05,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:05,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627321633] [2024-04-03 22:24:05,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627321633] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:05,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866443726] [2024-04-03 22:24:05,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 22:24:05,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:05,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:05,161 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:05,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-04-03 22:24:06,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-03 22:24:06,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:24:06,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 56 conjunts are in the unsatisfiable core [2024-04-03 22:24:06,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:06,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:06,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:06,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:06,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:06,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:06,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:06,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:06,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:06,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:06,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:06,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:06,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:06,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-04-03 22:24:06,885 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-03 22:24:06,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866443726] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:06,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-03 22:24:06,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2024-04-03 22:24:06,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290797246] [2024-04-03 22:24:06,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:06,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-03 22:24:06,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:07,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-03 22:24:07,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-04-03 22:24:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:07,296 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:07,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 39.0) internal successors, (351), 9 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:07,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:07,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:07,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:07,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:07,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:07,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:07,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:07,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:07,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-04-03 22:24:07,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2024-04-03 22:24:07,927 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:07,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:07,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1561901742, now seen corresponding path program 1 times [2024-04-03 22:24:07,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:07,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136024999] [2024-04-03 22:24:07,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:07,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:08,224 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 245 proven. 5 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-03 22:24:08,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:08,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136024999] [2024-04-03 22:24:08,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136024999] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:08,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254765315] [2024-04-03 22:24:08,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:08,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:08,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:08,226 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:08,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-04-03 22:24:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:08,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:24:08,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:09,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:09,125 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 240 proven. 10 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-03 22:24:09,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:09,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:24:09,212 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 245 proven. 5 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-03 22:24:09,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254765315] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:09,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:09,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:24:09,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492850683] [2024-04-03 22:24:09,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:09,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:24:09,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:09,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:24:09,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-04-03 22:24:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:09,443 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:09,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 29.714285714285715) internal successors, (416), 14 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:09,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:09,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:09,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:09,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:09,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:09,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:09,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:09,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:09,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:09,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:09,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-04-03 22:24:10,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124,48 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:10,050 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:10,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:10,051 INFO L85 PathProgramCache]: Analyzing trace with hash -222194224, now seen corresponding path program 2 times [2024-04-03 22:24:10,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:10,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830282561] [2024-04-03 22:24:10,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:10,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-04-03 22:24:10,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:10,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830282561] [2024-04-03 22:24:10,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830282561] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:10,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:24:10,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:24:10,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021831202] [2024-04-03 22:24:10,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:10,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:24:10,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:10,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:24:10,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:24:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:10,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:10,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:10,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:10,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:10,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:10,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:10,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:10,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:10,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:10,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:10,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:10,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:10,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:10,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:10,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2024-04-03 22:24:10,888 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:10,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:10,888 INFO L85 PathProgramCache]: Analyzing trace with hash 665998028, now seen corresponding path program 3 times [2024-04-03 22:24:10,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:10,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206404145] [2024-04-03 22:24:10,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:10,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 295 proven. 5 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-04-03 22:24:11,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:11,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206404145] [2024-04-03 22:24:11,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206404145] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:11,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159768549] [2024-04-03 22:24:11,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 22:24:11,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:11,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:11,135 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:11,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-04-03 22:24:11,818 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-03 22:24:11,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:24:11,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:24:11,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:12,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-04-03 22:24:12,448 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-03 22:24:12,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159768549] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:12,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-03 22:24:12,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-04-03 22:24:12,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145200690] [2024-04-03 22:24:12,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:12,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-03 22:24:12,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:12,522 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:24:12,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:24:12,610 INFO L85 PathProgramCache]: Analyzing trace with hash 667236174, now seen corresponding path program 1 times [2024-04-03 22:24:12,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:12,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:24:12,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:12,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:13,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:24:13,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-03 22:24:13,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2024-04-03 22:24:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:13,029 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:13,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 26.8125) internal successors, (429), 17 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:14,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2024-04-03 22:24:14,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable126,SelfDestructingSolverStorable127,SelfDestructingSolverStorable128 [2024-04-03 22:24:14,201 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:14,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:14,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1878768862, now seen corresponding path program 1 times [2024-04-03 22:24:14,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:14,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534234303] [2024-04-03 22:24:14,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:14,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-04-03 22:24:14,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:14,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534234303] [2024-04-03 22:24:14,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534234303] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:14,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:24:14,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:24:14,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672612981] [2024-04-03 22:24:14,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:14,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:24:14,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:14,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:24:14,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:24:14,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:14,635 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:14,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 46.714285714285715) internal successors, (327), 7 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:14,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:15,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:15,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:15,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:15,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:15,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:15,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:15,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:15,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:15,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2024-04-03 22:24:15,020 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:15,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:15,020 INFO L85 PathProgramCache]: Analyzing trace with hash 999994402, now seen corresponding path program 2 times [2024-04-03 22:24:15,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:15,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127378141] [2024-04-03 22:24:15,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:15,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 295 proven. 10 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-03 22:24:15,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:15,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127378141] [2024-04-03 22:24:15,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127378141] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:15,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40536879] [2024-04-03 22:24:15,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 22:24:15,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:15,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:15,345 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:15,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-04-03 22:24:16,021 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 22:24:16,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:24:16,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:24:16,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:16,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:16,434 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 290 proven. 15 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-03 22:24:16,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:16,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:24:16,576 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 295 proven. 10 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-03 22:24:16,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40536879] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:16,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:16,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:24:16,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913094247] [2024-04-03 22:24:16,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:16,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:24:16,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:16,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:24:16,748 INFO L85 PathProgramCache]: Analyzing trace with hash 991668174, now seen corresponding path program 1 times [2024-04-03 22:24:16,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:16,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:16,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:24:16,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:16,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:24:17,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:24:17,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-04-03 22:24:17,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:17,090 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:17,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 24.045454545454547) internal successors, (529), 23 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:17,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:17,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:17,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:17,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:17,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:17,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:17,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:17,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:17,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:18,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2024-04-03 22:24:18,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,SelfDestructingSolverStorable131,SelfDestructingSolverStorable132,50 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:18,653 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:18,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:18,653 INFO L85 PathProgramCache]: Analyzing trace with hash 932405898, now seen corresponding path program 1 times [2024-04-03 22:24:18,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:18,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240114342] [2024-04-03 22:24:18,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:18,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-03 22:24:18,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:18,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240114342] [2024-04-03 22:24:18,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240114342] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:18,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:24:18,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:24:18,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652168919] [2024-04-03 22:24:18,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:18,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:24:18,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:19,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:24:19,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:24:19,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:19,029 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:19,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 41.57142857142857) internal successors, (291), 7 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2024-04-03 22:24:19,428 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:19,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:19,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1661718502, now seen corresponding path program 1 times [2024-04-03 22:24:19,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:19,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726893378] [2024-04-03 22:24:19,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:19,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-04-03 22:24:19,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:19,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726893378] [2024-04-03 22:24:19,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726893378] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:19,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:24:19,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:24:19,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154103572] [2024-04-03 22:24:19,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:19,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:24:19,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:19,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:24:19,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:24:19,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:19,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:19,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:19,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:19,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:19,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:19,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:19,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:19,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:19,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:20,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2024-04-03 22:24:20,491 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:20,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:20,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1927456066, now seen corresponding path program 1 times [2024-04-03 22:24:20,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:20,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284603328] [2024-04-03 22:24:20,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:20,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:20,719 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-03 22:24:20,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:20,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284603328] [2024-04-03 22:24:20,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284603328] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:20,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:24:20,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:24:20,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880195040] [2024-04-03 22:24:20,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:20,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:24:20,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:20,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:24:20,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:24:20,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:20,886 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:20,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 38.857142857142854) internal successors, (272), 7 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:20,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:20,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:20,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:20,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:20,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:20,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:20,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:20,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:20,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:20,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:20,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:20,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:21,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2024-04-03 22:24:21,404 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:21,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:21,405 INFO L85 PathProgramCache]: Analyzing trace with hash -2036253556, now seen corresponding path program 1 times [2024-04-03 22:24:21,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:21,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943454509] [2024-04-03 22:24:21,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:21,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 355 proven. 50 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-04-03 22:24:21,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:21,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943454509] [2024-04-03 22:24:21,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943454509] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:21,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903168781] [2024-04-03 22:24:21,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:21,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:21,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:21,603 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:21,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-04-03 22:24:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:22,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:24:22,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:22,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 295 proven. 110 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-04-03 22:24:22,851 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:22,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:24:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 355 proven. 50 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-04-03 22:24:23,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903168781] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:23,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:23,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:24:23,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753342348] [2024-04-03 22:24:23,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:23,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:24:23,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:23,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:24:23,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-04-03 22:24:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:23,385 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:23,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 27.642857142857142) internal successors, (387), 14 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:23,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-04-03 22:24:23,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable136 [2024-04-03 22:24:23,925 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:23,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:23,926 INFO L85 PathProgramCache]: Analyzing trace with hash 318900790, now seen corresponding path program 1 times [2024-04-03 22:24:23,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:23,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947818208] [2024-04-03 22:24:23,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:23,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:24,125 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 350 proven. 20 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-04-03 22:24:24,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:24,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947818208] [2024-04-03 22:24:24,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947818208] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:24,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784164812] [2024-04-03 22:24:24,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:24,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:24,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:24,129 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:24,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-04-03 22:24:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:24,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:24:24,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:25,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 235 proven. 155 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-04-03 22:24:25,479 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:25,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:24:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 355 proven. 35 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-04-03 22:24:25,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784164812] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:25,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:25,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:24:25,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669986467] [2024-04-03 22:24:25,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:25,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:24:25,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:26,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:24:26,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2024-04-03 22:24:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:26,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:26,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 28.444444444444443) internal successors, (512), 18 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:26,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:26,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2024-04-03 22:24:27,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137,52 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:27,024 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:27,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:27,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1988055577, now seen corresponding path program 1 times [2024-04-03 22:24:27,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:27,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888309337] [2024-04-03 22:24:27,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:27,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 355 proven. 50 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-04-03 22:24:27,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:27,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888309337] [2024-04-03 22:24:27,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888309337] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:27,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146882698] [2024-04-03 22:24:27,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:27,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:27,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:27,229 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:27,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-04-03 22:24:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:27,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:24:27,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:28,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 270 proven. 135 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-04-03 22:24:28,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:28,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:24:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 355 proven. 50 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-04-03 22:24:28,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146882698] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:28,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:28,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:24:28,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440297265] [2024-04-03 22:24:28,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:28,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:24:28,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:29,034 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:24:29,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:24:29,153 INFO L85 PathProgramCache]: Analyzing trace with hash 239546284, now seen corresponding path program 1 times [2024-04-03 22:24:29,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:29,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:29,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:24:29,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:29,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:29,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:24:29,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:24:29,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2024-04-03 22:24:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:29,652 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:29,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 25.09090909090909) internal successors, (552), 23 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:24:30,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2024-04-03 22:24:30,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140,SelfDestructingSolverStorable138,SelfDestructingSolverStorable139,53 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:30,843 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:30,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:30,844 INFO L85 PathProgramCache]: Analyzing trace with hash 906765168, now seen corresponding path program 1 times [2024-04-03 22:24:30,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:30,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462740844] [2024-04-03 22:24:30,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:30,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:31,026 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 335 proven. 75 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-04-03 22:24:31,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:31,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462740844] [2024-04-03 22:24:31,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462740844] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:31,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946972151] [2024-04-03 22:24:31,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:31,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:31,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:31,028 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:31,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-04-03 22:24:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:31,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:24:31,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:32,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:32,542 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 275 proven. 135 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-04-03 22:24:32,542 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:32,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:24:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 335 proven. 75 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-04-03 22:24:32,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946972151] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:32,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:32,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:24:32,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68498096] [2024-04-03 22:24:32,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:32,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:24:32,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:32,932 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:24:32,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:24:33,035 INFO L85 PathProgramCache]: Analyzing trace with hash -2070153364, now seen corresponding path program 1 times [2024-04-03 22:24:33,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:33,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:24:33,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:33,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:24:33,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:24:33,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-04-03 22:24:33,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:33,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:33,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 24.954545454545453) internal successors, (549), 23 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:24:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:34,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:24:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:24:34,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2024-04-03 22:24:34,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141,SelfDestructingSolverStorable142,SelfDestructingSolverStorable143,54 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:34,696 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:34,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:34,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1812938644, now seen corresponding path program 1 times [2024-04-03 22:24:34,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:34,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515584966] [2024-04-03 22:24:34,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:34,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 335 proven. 60 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-03 22:24:34,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:34,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515584966] [2024-04-03 22:24:34,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515584966] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:34,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704676290] [2024-04-03 22:24:34,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:34,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:34,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:34,973 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:34,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-04-03 22:24:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:35,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:24:35,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:36,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 300 proven. 95 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-03 22:24:36,402 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:36,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:24:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 335 proven. 60 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-03 22:24:36,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704676290] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:36,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:36,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:24:36,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951701752] [2024-04-03 22:24:36,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:36,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:24:36,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:36,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:24:36,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-04-03 22:24:36,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:36,809 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:36,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 26.642857142857142) internal successors, (373), 14 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:24:36,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:37,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:24:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:37,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2024-04-03 22:24:37,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2024-04-03 22:24:37,298 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:37,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:37,299 INFO L85 PathProgramCache]: Analyzing trace with hash -993986585, now seen corresponding path program 1 times [2024-04-03 22:24:37,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:37,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978917732] [2024-04-03 22:24:37,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:37,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 320 proven. 25 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:24:37,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:37,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978917732] [2024-04-03 22:24:37,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978917732] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:37,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279911378] [2024-04-03 22:24:37,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:37,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:37,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:37,493 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:37,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-04-03 22:24:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:38,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:24:38,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:38,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 320 proven. 25 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:24:39,043 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:39,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:24:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 320 proven. 25 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:24:39,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279911378] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:39,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:39,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:24:39,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891970654] [2024-04-03 22:24:39,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:39,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:24:39,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:39,454 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:24:39,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:24:39,555 INFO L85 PathProgramCache]: Analyzing trace with hash 116269898, now seen corresponding path program 1 times [2024-04-03 22:24:39,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:39,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:24:39,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:39,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:24:40,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-03 22:24:40,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2024-04-03 22:24:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:40,043 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:40,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 22.25) internal successors, (534), 25 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:40,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:40,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:40,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:24:40,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:24:40,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:40,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:40,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:24:40,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:24:40,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:40,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:24:40,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2024-04-03 22:24:40,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable145,SelfDestructingSolverStorable146,SelfDestructingSolverStorable147 [2024-04-03 22:24:40,938 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:40,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:40,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1946720690, now seen corresponding path program 1 times [2024-04-03 22:24:40,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:40,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919995995] [2024-04-03 22:24:40,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:40,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 335 proven. 25 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-04-03 22:24:41,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:41,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919995995] [2024-04-03 22:24:41,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919995995] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:41,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066952830] [2024-04-03 22:24:41,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:41,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:41,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:41,119 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:41,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-04-03 22:24:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:41,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:24:41,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:42,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 325 proven. 35 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-04-03 22:24:42,596 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:42,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:24:42,874 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 335 proven. 25 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-04-03 22:24:42,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066952830] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:42,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:42,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:24:42,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988393963] [2024-04-03 22:24:42,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:42,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:24:42,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:42,994 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:24:42,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:24:43,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1010535893, now seen corresponding path program 1 times [2024-04-03 22:24:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:43,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:43,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:24:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:43,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:24:43,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1010535893, now seen corresponding path program 2 times [2024-04-03 22:24:43,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:43,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:43,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:24:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:43,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:24:43,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:24:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:43,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:43,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 24.357142857142858) internal successors, (341), 14 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:24:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:24:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:24:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:43,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:43,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:43,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:24:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:43,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Ended with exit code 0 [2024-04-03 22:24:43,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150,SelfDestructingSolverStorable148,SelfDestructingSolverStorable149,57 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:43,807 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:43,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:43,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1497074540, now seen corresponding path program 1 times [2024-04-03 22:24:43,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:43,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27557659] [2024-04-03 22:24:43,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:43,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:43,997 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 235 proven. 110 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:24:43,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:43,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27557659] [2024-04-03 22:24:43,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27557659] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:43,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204539092] [2024-04-03 22:24:43,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:43,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:43,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:43,999 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:44,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-04-03 22:24:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:44,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:24:44,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:45,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:45,507 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 235 proven. 110 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:24:45,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:45,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:24:45,897 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 235 proven. 110 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:24:45,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204539092] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:45,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:45,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:24:45,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75412113] [2024-04-03 22:24:45,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:45,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:24:45,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:46,012 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:24:46,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:24:46,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1010535893, now seen corresponding path program 3 times [2024-04-03 22:24:46,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:46,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:46,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:24:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:46,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:24:46,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1010535893, now seen corresponding path program 4 times [2024-04-03 22:24:46,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:46,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:46,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:24:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:46,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:24:46,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-04-03 22:24:46,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:46,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:46,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 23.375) internal successors, (374), 16 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:46,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:46,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:46,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:46,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:46,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:46,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:46,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:24:46,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:24:46,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2024-04-03 22:24:47,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,SelfDestructingSolverStorable152,SelfDestructingSolverStorable153,58 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:47,087 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-04-03 22:24:47,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:47,087 INFO L85 PathProgramCache]: Analyzing trace with hash -2126785557, now seen corresponding path program 1 times [2024-04-03 22:24:47,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:47,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110505083] [2024-04-03 22:24:47,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:47,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:47,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:24:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:24:47,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:24:47,151 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 24 remaining) [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 24 remaining) [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 24 remaining) [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 24 remaining) [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 24 remaining) [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 24 remaining) [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 24 remaining) [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 24 remaining) [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 24 remaining) [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 24 remaining) [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 24 remaining) [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 24 remaining) [2024-04-03 22:24:47,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 24 remaining) [2024-04-03 22:24:47,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 24 remaining) [2024-04-03 22:24:47,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 24 remaining) [2024-04-03 22:24:47,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 24 remaining) [2024-04-03 22:24:47,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 24 remaining) [2024-04-03 22:24:47,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 24 remaining) [2024-04-03 22:24:47,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 24 remaining) [2024-04-03 22:24:47,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 24 remaining) [2024-04-03 22:24:47,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 24 remaining) [2024-04-03 22:24:47,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 24 remaining) [2024-04-03 22:24:47,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 24 remaining) [2024-04-03 22:24:47,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 24 remaining) [2024-04-03 22:24:47,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2024-04-03 22:24:47,155 INFO L445 BasicCegarLoop]: Path program histogram: [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-03 22:24:47,155 WARN L233 ceAbstractionStarter]: 10 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:24:47,155 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 11 thread instances. [2024-04-03 22:24:47,238 INFO L144 ThreadInstanceAdder]: Constructed 44 joinOtherThreadTransitions. [2024-04-03 22:24:47,245 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:24:47,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:24:47,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:47,246 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:24:47,249 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:24:47,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:47,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:24:47,250 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:24:47,250 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-04-03 22:24:47,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (59)] Waiting until timeout for monitored process [2024-04-03 22:24:47,290 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:24:47,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:47,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1494295394, now seen corresponding path program 1 times [2024-04-03 22:24:47,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:47,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198506616] [2024-04-03 22:24:47,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:47,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2024-04-03 22:24:47,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:47,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198506616] [2024-04-03 22:24:47,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198506616] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:47,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:24:47,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:24:47,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873813176] [2024-04-03 22:24:47,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:47,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:24:47,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:47,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:24:47,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:24:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:47,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:47,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 102.5) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:47,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:47,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:47,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2024-04-03 22:24:47,708 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:24:47,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:47,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1838265603, now seen corresponding path program 1 times [2024-04-03 22:24:47,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:47,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464110447] [2024-04-03 22:24:47,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:47,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:47,985 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-04-03 22:24:47,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:47,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464110447] [2024-04-03 22:24:47,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464110447] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:47,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:24:47,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:24:47,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508708640] [2024-04-03 22:24:47,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:47,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:24:47,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:48,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:24:48,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:24:48,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:48,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:48,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.42857142857143) internal successors, (381), 7 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:48,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:48,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:48,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:48,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:48,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2024-04-03 22:24:48,537 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:24:48,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:48,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2121748405, now seen corresponding path program 2 times [2024-04-03 22:24:48,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:48,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208506308] [2024-04-03 22:24:48,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:48,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:48,833 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-03 22:24:48,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:48,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208506308] [2024-04-03 22:24:48,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208506308] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:48,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:24:48,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:24:48,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178345898] [2024-04-03 22:24:48,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:48,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:24:48,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:48,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:24:48,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:24:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:48,982 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:48,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.42857142857143) internal successors, (381), 7 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:48,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:48,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:48,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:49,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:49,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:49,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:49,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2024-04-03 22:24:49,291 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:24:49,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:49,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1881932065, now seen corresponding path program 3 times [2024-04-03 22:24:49,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:49,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907837706] [2024-04-03 22:24:49,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:49,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:49,571 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 275 proven. 5 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-04-03 22:24:49,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:49,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907837706] [2024-04-03 22:24:49,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907837706] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:49,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116272511] [2024-04-03 22:24:49,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 22:24:49,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:49,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:49,573 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:49,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-04-03 22:24:50,857 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-04-03 22:24:50,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:24:50,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-03 22:24:50,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:51,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:51,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:51,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:51,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:51,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:51,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:51,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:51,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:51,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:51,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:51,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:51,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:51,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:51,745 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-03 22:24:51,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 11 [2024-04-03 22:24:52,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:52,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:52,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:52,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:52,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:52,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:52,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:52,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:24:52,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:24:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 300 proven. 135 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-03 22:24:52,790 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:52,934 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:24:52,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2024-04-03 22:24:52,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:24:52,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 130 [2024-04-03 22:24:52,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 50 [2024-04-03 22:24:52,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2024-04-03 22:24:53,563 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:24:53,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:24:53,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:24:53,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:24:53,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:24:53,776 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 270 proven. 165 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-03 22:24:53,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116272511] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:53,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:53,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 16, 17] total 36 [2024-04-03 22:24:53,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693027071] [2024-04-03 22:24:53,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:53,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-03 22:24:53,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:54,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-03 22:24:54,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1086, Unknown=13, NotChecked=0, Total=1260 [2024-04-03 22:24:54,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:54,032 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:54,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 30.97222222222222) internal successors, (1115), 36 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:24:56,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2024-04-03 22:24:56,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable158 [2024-04-03 22:24:56,205 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:24:56,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:56,205 INFO L85 PathProgramCache]: Analyzing trace with hash -145259560, now seen corresponding path program 1 times [2024-04-03 22:24:56,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:56,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232545076] [2024-04-03 22:24:56,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:56,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-04-03 22:24:56,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:56,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232545076] [2024-04-03 22:24:56,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232545076] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:24:56,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:24:56,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:24:56,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992292874] [2024-04-03 22:24:56,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:24:56,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:24:56,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:24:56,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:24:56,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1623221307, now seen corresponding path program 1 times [2024-04-03 22:24:56,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:56,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:24:56,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:56,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:56,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:24:56,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:24:56,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:24:56,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:56,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:24:56,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 30.266666666666666) internal successors, (454), 16 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:24:56,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:56,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:56,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:56,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:24:56,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:58,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:24:58,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:58,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:24:58,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:24:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:24:58,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160,SelfDestructingSolverStorable161,SelfDestructingSolverStorable159 [2024-04-03 22:24:58,398 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:24:58,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:24:58,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1145296381, now seen corresponding path program 1 times [2024-04-03 22:24:58,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:24:58,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452394063] [2024-04-03 22:24:58,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:58,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:24:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:58,639 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 335 proven. 10 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-03 22:24:58,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:24:58,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452394063] [2024-04-03 22:24:58,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452394063] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:24:58,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500029675] [2024-04-03 22:24:58,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:24:58,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:24:58,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:24:58,641 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:24:58,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-04-03 22:24:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:24:59,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:24:59,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:24:59,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:24:59,842 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 330 proven. 15 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-03 22:24:59,842 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:24:59,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:24:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 335 proven. 10 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-03 22:24:59,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500029675] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:24:59,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:24:59,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:24:59,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658072898] [2024-04-03 22:24:59,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:24:59,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:24:59,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:00,078 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:00,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:25:00,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 1 times [2024-04-03 22:25:00,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:00,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:00,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:00,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:25:00,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 2 times [2024-04-03 22:25:00,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:00,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:00,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:00,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:25:00,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:25:00,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:00,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:00,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 31.0) internal successors, (434), 14 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:00,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:00,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:00,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:00,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:00,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:25:00,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:25:01,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:01,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2024-04-03 22:25:01,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162,SelfDestructingSolverStorable163,SelfDestructingSolverStorable164,61 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:01,692 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:01,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:01,693 INFO L85 PathProgramCache]: Analyzing trace with hash 951187305, now seen corresponding path program 2 times [2024-04-03 22:25:01,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:01,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473248744] [2024-04-03 22:25:01,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:01,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:01,960 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-04-03 22:25:01,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:01,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473248744] [2024-04-03 22:25:01,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473248744] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:25:01,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:25:01,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:25:01,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012001808] [2024-04-03 22:25:01,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:25:01,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:25:01,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:02,035 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:02,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:25:02,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 3 times [2024-04-03 22:25:02,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:02,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:02,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:02,251 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:02,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:25:02,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 4 times [2024-04-03 22:25:02,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:02,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:02,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:02,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:25:02,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:25:02,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:02,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:02,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.714285714285715) internal successors, (341), 7 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:02,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:02,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:02,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:02,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:02,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:25:02,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:02,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:03,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-03 22:25:03,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:25:03,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:03,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:03,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165,SelfDestructingSolverStorable166,SelfDestructingSolverStorable167 [2024-04-03 22:25:03,614 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:03,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:03,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1841815044, now seen corresponding path program 1 times [2024-04-03 22:25:03,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:03,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366197614] [2024-04-03 22:25:03,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:03,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 435 proven. 15 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:25:03,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:03,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366197614] [2024-04-03 22:25:03,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366197614] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:03,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584923047] [2024-04-03 22:25:03,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:03,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:03,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:03,881 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:03,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-04-03 22:25:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:04,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:25:04,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:05,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 330 proven. 155 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-04-03 22:25:05,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:05,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:25:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 415 proven. 70 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-04-03 22:25:05,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584923047] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:05,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:05,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:25:05,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830475410] [2024-04-03 22:25:05,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:05,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:25:05,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:05,911 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:05,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:25:05,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 5 times [2024-04-03 22:25:05,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:05,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:06,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:06,219 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:06,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:25:06,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 6 times [2024-04-03 22:25:06,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:06,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:06,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:06,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:25:06,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:25:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:06,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:06,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 33.77777777777778) internal successors, (608), 18 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:06,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:06,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:06,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:06,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-03 22:25:06,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:25:06,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:06,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:06,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-03 22:25:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:25:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:07,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Forceful destruction successful, exit code 0 [2024-04-03 22:25:08,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170,SelfDestructingSolverStorable168,62 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable169 [2024-04-03 22:25:08,014 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:08,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:08,015 INFO L85 PathProgramCache]: Analyzing trace with hash -2096878970, now seen corresponding path program 1 times [2024-04-03 22:25:08,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:08,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548820442] [2024-04-03 22:25:08,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:08,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-04-03 22:25:08,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:08,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548820442] [2024-04-03 22:25:08,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548820442] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:25:08,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:25:08,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:25:08,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886418917] [2024-04-03 22:25:08,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:25:08,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:25:08,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:08,429 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:08,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:25:08,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 7 times [2024-04-03 22:25:08,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:08,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:08,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:08,613 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:08,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:25:08,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 8 times [2024-04-03 22:25:08,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:08,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:08,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:08,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:25:08,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:25:08,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:08,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:08,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:08,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:08,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:08,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:08,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-03 22:25:08,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:25:08,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:08,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:08,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:08,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-03 22:25:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:25:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:09,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173,SelfDestructingSolverStorable171,SelfDestructingSolverStorable172 [2024-04-03 22:25:09,417 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:09,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:09,418 INFO L85 PathProgramCache]: Analyzing trace with hash -890064431, now seen corresponding path program 1 times [2024-04-03 22:25:09,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:09,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664782051] [2024-04-03 22:25:09,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:09,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 415 proven. 75 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-03 22:25:09,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:09,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664782051] [2024-04-03 22:25:09,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664782051] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:09,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424688256] [2024-04-03 22:25:09,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:09,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:09,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:09,826 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:09,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-04-03 22:25:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:10,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:25:10,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:11,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 355 proven. 135 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-03 22:25:11,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:11,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:25:11,722 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 415 proven. 75 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-03 22:25:11,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424688256] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:11,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:11,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:25:11,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646901937] [2024-04-03 22:25:11,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:11,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:25:11,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:11,825 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:11,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:25:11,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 9 times [2024-04-03 22:25:11,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:11,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:11,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:11,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:25:12,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 10 times [2024-04-03 22:25:12,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:12,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:12,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:12,200 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:12,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-04-03 22:25:12,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1367759578, now seen corresponding path program 1 times [2024-04-03 22:25:12,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:12,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:25:12,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:12,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:12,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:25:12,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:25:12,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2024-04-03 22:25:12,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:12,864 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:12,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 27.636363636363637) internal successors, (608), 23 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:12,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:12,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:12,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:12,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-03 22:25:12,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:25:12,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:12,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:12,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:12,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:12,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:14,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:14,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:14,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:14,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:14,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:14,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2024-04-03 22:25:14,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,SelfDestructingSolverStorable175,63 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable176,SelfDestructingSolverStorable177,SelfDestructingSolverStorable178 [2024-04-03 22:25:14,619 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:14,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:14,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1284312372, now seen corresponding path program 1 times [2024-04-03 22:25:14,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:14,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123756496] [2024-04-03 22:25:14,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:14,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:14,851 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 365 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-03 22:25:14,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:14,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123756496] [2024-04-03 22:25:14,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123756496] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:25:14,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:25:14,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:25:14,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333815301] [2024-04-03 22:25:14,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:25:14,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:25:14,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:14,906 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:14,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:25:14,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 11 times [2024-04-03 22:25:14,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:14,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:14,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:15,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:25:15,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 12 times [2024-04-03 22:25:15,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:15,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:15,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:15,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:25:15,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:25:15,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:15,256 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:15,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.714285714285715) internal successors, (285), 7 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:15,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:15,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:15,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:15,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:15,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:15,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:15,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:15,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:15,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:15,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:15,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:15,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180,SelfDestructingSolverStorable181,SelfDestructingSolverStorable179 [2024-04-03 22:25:15,863 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:15,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:15,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1566181397, now seen corresponding path program 1 times [2024-04-03 22:25:15,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:15,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038871345] [2024-04-03 22:25:15,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:15,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:16,103 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 415 proven. 25 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:25:16,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:16,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038871345] [2024-04-03 22:25:16,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038871345] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:16,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543127856] [2024-04-03 22:25:16,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:16,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:16,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:16,105 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:16,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-04-03 22:25:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:16,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:25:16,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:17,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 405 proven. 35 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:25:17,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:17,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:25:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 415 proven. 25 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:25:17,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543127856] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:17,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:17,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:25:17,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545576756] [2024-04-03 22:25:17,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:17,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:25:17,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:18,051 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:18,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:25:18,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 13 times [2024-04-03 22:25:18,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:18,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:18,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:18,217 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:18,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:25:18,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 14 times [2024-04-03 22:25:18,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:18,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:18,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:18,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:25:18,521 INFO L85 PathProgramCache]: Analyzing trace with hash -2016623578, now seen corresponding path program 1 times [2024-04-03 22:25:18,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:18,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:25:18,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:18,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:25:19,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:25:19,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2024-04-03 22:25:19,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:19,086 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:19,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 26.59090909090909) internal successors, (585), 23 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:20,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2024-04-03 22:25:20,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,SelfDestructingSolverStorable185,SelfDestructingSolverStorable186,SelfDestructingSolverStorable182,64 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable183 [2024-04-03 22:25:20,376 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:20,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:20,376 INFO L85 PathProgramCache]: Analyzing trace with hash -738354015, now seen corresponding path program 1 times [2024-04-03 22:25:20,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:20,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672106769] [2024-04-03 22:25:20,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:20,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 405 proven. 25 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-03 22:25:20,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:20,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672106769] [2024-04-03 22:25:20,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672106769] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:20,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222675947] [2024-04-03 22:25:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:20,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:20,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:20,593 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:20,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-04-03 22:25:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:21,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:25:21,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:22,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:22,236 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 405 proven. 25 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-03 22:25:22,237 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:22,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:25:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 405 proven. 25 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-03 22:25:22,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222675947] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:22,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:22,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:25:22,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429699717] [2024-04-03 22:25:22,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:22,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:25:22,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:22,701 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:22,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:25:22,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 15 times [2024-04-03 22:25:22,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:22,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:22,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:22,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:25:22,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 16 times [2024-04-03 22:25:22,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:22,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:22,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:23,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:25:23,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-04-03 22:25:23,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:23,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:23,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 24.0) internal successors, (384), 16 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:23,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:23,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:23,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:23,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:23,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:23,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:23,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:23,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:23,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:23,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:23,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:23,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:23,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:23,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:23,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:23,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2024-04-03 22:25:23,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,65 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188,SelfDestructingSolverStorable189 [2024-04-03 22:25:23,633 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:23,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:23,633 INFO L85 PathProgramCache]: Analyzing trace with hash -446214735, now seen corresponding path program 1 times [2024-04-03 22:25:23,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:23,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453135606] [2024-04-03 22:25:23,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:23,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 335 proven. 110 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-04-03 22:25:23,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:23,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453135606] [2024-04-03 22:25:23,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453135606] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:23,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085578251] [2024-04-03 22:25:23,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:23,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:23,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:23,839 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:23,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-04-03 22:25:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:24,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:25:24,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:25,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:25,645 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 230 proven. 210 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:25:25,645 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:25,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:25:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 315 proven. 125 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:25:26,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085578251] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:26,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:26,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:25:26,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186292195] [2024-04-03 22:25:26,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:26,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:25:26,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:26,151 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:26,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:25:26,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 17 times [2024-04-03 22:25:26,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:26,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:26,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:26,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:25:26,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 18 times [2024-04-03 22:25:26,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:26,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:26,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:26,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:25:26,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:25:26,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:26,636 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:26,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 30.11111111111111) internal successors, (542), 18 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:27,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:27,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Ended with exit code 0 [2024-04-03 22:25:27,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable191,SelfDestructingSolverStorable192,SelfDestructingSolverStorable190 [2024-04-03 22:25:27,495 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:27,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:27,495 INFO L85 PathProgramCache]: Analyzing trace with hash 468582710, now seen corresponding path program 1 times [2024-04-03 22:25:27,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:27,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993704793] [2024-04-03 22:25:27,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:27,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 265 proven. 165 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-03 22:25:27,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:27,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993704793] [2024-04-03 22:25:27,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993704793] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:27,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198819284] [2024-04-03 22:25:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:27,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:27,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:27,709 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:27,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-04-03 22:25:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:28,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:25:28,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:29,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 265 proven. 165 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-03 22:25:29,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:29,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:25:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 265 proven. 165 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-03 22:25:29,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198819284] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:29,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:29,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:25:29,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80758800] [2024-04-03 22:25:29,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:29,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:25:29,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:29,850 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:29,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-04-03 22:25:29,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 19 times [2024-04-03 22:25:29,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:29,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:29,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:30,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:25:30,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 20 times [2024-04-03 22:25:30,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:30,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:30,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:30,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:25:30,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-04-03 22:25:30,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:30,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:30,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 25.0625) internal successors, (401), 16 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:30,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:30,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:30,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:30,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:30,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:30,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:30,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:30,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:30,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:30,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Forceful destruction successful, exit code 0 [2024-04-03 22:25:30,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195,SelfDestructingSolverStorable193,SelfDestructingSolverStorable194,67 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:30,876 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:30,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:30,876 INFO L85 PathProgramCache]: Analyzing trace with hash 600898901, now seen corresponding path program 1 times [2024-04-03 22:25:30,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:30,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091267255] [2024-04-03 22:25:30,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:30,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-04-03 22:25:31,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:31,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091267255] [2024-04-03 22:25:31,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091267255] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:25:31,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:25:31,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:25:31,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068054617] [2024-04-03 22:25:31,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:25:31,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:25:31,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:31,099 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:31,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:25:31,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 21 times [2024-04-03 22:25:31,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:31,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:31,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:31,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:25:31,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 22 times [2024-04-03 22:25:31,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:31,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:31,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:31,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:25:31,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:25:31,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:31,351 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:31,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:31,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:31,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:31,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:31,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196,SelfDestructingSolverStorable197,SelfDestructingSolverStorable198 [2024-04-03 22:25:31,522 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:31,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:31,522 INFO L85 PathProgramCache]: Analyzing trace with hash -478609162, now seen corresponding path program 1 times [2024-04-03 22:25:31,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:31,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057419478] [2024-04-03 22:25:31,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:31,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:31,735 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 315 proven. 65 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:25:31,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:31,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057419478] [2024-04-03 22:25:31,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057419478] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:31,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586649024] [2024-04-03 22:25:31,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:31,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:31,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:31,737 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:31,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-04-03 22:25:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:32,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:25:32,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:33,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 280 proven. 100 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:25:33,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:33,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:25:33,938 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 315 proven. 65 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:25:33,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586649024] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:33,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:33,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:25:33,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019655723] [2024-04-03 22:25:33,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:33,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:25:33,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:34,035 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:34,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:25:34,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 23 times [2024-04-03 22:25:34,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:34,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:34,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:34,252 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:34,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:25:34,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 24 times [2024-04-03 22:25:34,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:34,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:34,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:34,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:25:34,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:25:34,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:34,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:34,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 27.428571428571427) internal successors, (384), 14 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:34,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:34,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:34,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:34,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2024-04-03 22:25:34,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199,SelfDestructingSolverStorable200,SelfDestructingSolverStorable201 [2024-04-03 22:25:34,867 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:34,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:34,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1581139307, now seen corresponding path program 1 times [2024-04-03 22:25:34,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:34,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257484453] [2024-04-03 22:25:34,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:34,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 345 proven. 55 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-04-03 22:25:35,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:35,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257484453] [2024-04-03 22:25:35,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257484453] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:35,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574009609] [2024-04-03 22:25:35,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:35,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:35,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:35,055 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:35,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-04-03 22:25:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:35,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:25:35,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:36,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:36,805 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 235 proven. 210 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-04-03 22:25:36,805 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:36,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:25:37,109 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 345 proven. 100 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-04-03 22:25:37,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574009609] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:37,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:37,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:25:37,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713207593] [2024-04-03 22:25:37,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:37,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:25:37,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:37,276 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:37,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:25:37,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 25 times [2024-04-03 22:25:37,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:37,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:37,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:37,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:25:37,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 26 times [2024-04-03 22:25:37,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:37,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:37,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:37,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:25:37,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2024-04-03 22:25:37,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:37,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:37,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 26.4375) internal successors, (423), 16 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:37,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:37,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:37,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:37,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:37,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:37,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:37,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:37,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:37,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:37,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:38,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2024-04-03 22:25:38,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable203,SelfDestructingSolverStorable204,SelfDestructingSolverStorable202 [2024-04-03 22:25:38,201 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:38,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:38,201 INFO L85 PathProgramCache]: Analyzing trace with hash -910933514, now seen corresponding path program 1 times [2024-04-03 22:25:38,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:38,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640782477] [2024-04-03 22:25:38,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:38,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:38,384 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 345 proven. 35 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:25:38,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:38,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640782477] [2024-04-03 22:25:38,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640782477] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:38,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927527901] [2024-04-03 22:25:38,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:38,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:38,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:38,386 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:38,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-04-03 22:25:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:39,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:25:39,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:39,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 280 proven. 100 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:25:40,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:40,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:25:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 345 proven. 35 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:25:40,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927527901] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:40,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:40,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:25:40,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505019337] [2024-04-03 22:25:40,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:40,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:25:40,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:40,299 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:40,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:25:40,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 27 times [2024-04-03 22:25:40,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:40,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:40,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:40,471 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:40,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:25:40,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 28 times [2024-04-03 22:25:40,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:40,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:40,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:40,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:25:40,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:25:40,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:40,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:40,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 27.428571428571427) internal successors, (384), 14 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:40,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:40,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:40,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:40,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:40,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:40,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:41,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Ended with exit code 0 [2024-04-03 22:25:41,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable207,SelfDestructingSolverStorable205,SelfDestructingSolverStorable206 [2024-04-03 22:25:41,202 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:41,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:41,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1493099561, now seen corresponding path program 1 times [2024-04-03 22:25:41,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:41,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278300869] [2024-04-03 22:25:41,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:41,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:41,479 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:25:41,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:41,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278300869] [2024-04-03 22:25:41,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278300869] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:41,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698425193] [2024-04-03 22:25:41,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:41,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:41,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:41,481 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:41,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-04-03 22:25:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:42,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-03 22:25:42,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:43,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:43,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:25:43,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:25:43,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:25:43,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:25:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:25:43,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:43,672 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_12890 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_12890) |c_t1_funThread10of11ForFork0_munge_#in~m#1.base|) |c_t1_funThread10of11ForFork0_munge_#in~m#1.offset|) 0))) is different from false [2024-04-03 22:25:43,675 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_12890 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_12890) |c_~#mutex1~0.base|) |c_~#mutex1~0.offset|) 0))) is different from false [2024-04-03 22:25:43,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:25:43,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:25:43,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:25:43,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:25:43,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:25:44,231 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 190 proven. 80 refuted. 0 times theorem prover too weak. 155 trivial. 180 not checked. [2024-04-03 22:25:44,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698425193] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:44,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:44,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-04-03 22:25:44,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682370097] [2024-04-03 22:25:44,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:44,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-03 22:25:44,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:44,333 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:44,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:25:44,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 29 times [2024-04-03 22:25:44,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:44,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:44,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:44,509 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:44,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:25:44,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 30 times [2024-04-03 22:25:44,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:44,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:44,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:44,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:25:44,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=424, Unknown=2, NotChecked=86, Total=600 [2024-04-03 22:25:44,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:44,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:44,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 19.782608695652176) internal successors, (455), 23 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:44,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:44,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:44,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:44,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:44,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:44,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:44,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:44,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:44,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:45,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:45,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:45,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:45,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:45,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:45,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Forceful destruction successful, exit code 0 [2024-04-03 22:25:45,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208,SelfDestructingSolverStorable209,SelfDestructingSolverStorable210,71 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:45,408 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:45,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:45,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1939021962, now seen corresponding path program 2 times [2024-04-03 22:25:45,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:45,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430562834] [2024-04-03 22:25:45,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:45,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-04-03 22:25:45,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:45,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430562834] [2024-04-03 22:25:45,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430562834] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:25:45,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:25:45,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:25:45,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681224106] [2024-04-03 22:25:45,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:25:45,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:25:45,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:45,703 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:45,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:25:45,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 31 times [2024-04-03 22:25:45,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:45,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:45,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:45,869 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:45,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:25:45,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 32 times [2024-04-03 22:25:45,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:45,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:45,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:46,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:25:46,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:25:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:46,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:46,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:46,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:46,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:46,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:46,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:46,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:46,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211,SelfDestructingSolverStorable212,SelfDestructingSolverStorable213 [2024-04-03 22:25:46,202 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:46,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:46,202 INFO L85 PathProgramCache]: Analyzing trace with hash 957960246, now seen corresponding path program 1 times [2024-04-03 22:25:46,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:46,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588302495] [2024-04-03 22:25:46,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:46,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:46,389 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-03 22:25:46,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:46,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588302495] [2024-04-03 22:25:46,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588302495] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:25:46,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:25:46,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:25:46,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534784685] [2024-04-03 22:25:46,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:25:46,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:25:46,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:46,441 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:46,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:25:46,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 33 times [2024-04-03 22:25:46,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:46,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:46,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:46,547 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:46,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:25:46,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 34 times [2024-04-03 22:25:46,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:46,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:46,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:46,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:25:46,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:25:46,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:46,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:46,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:46,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:46,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:46,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214,SelfDestructingSolverStorable215,SelfDestructingSolverStorable216 [2024-04-03 22:25:46,897 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:46,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:46,897 INFO L85 PathProgramCache]: Analyzing trace with hash -296502955, now seen corresponding path program 1 times [2024-04-03 22:25:46,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:46,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513498083] [2024-04-03 22:25:46,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:46,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-03 22:25:47,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:47,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513498083] [2024-04-03 22:25:47,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513498083] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:25:47,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:25:47,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:25:47,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399710103] [2024-04-03 22:25:47,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:25:47,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:25:47,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:47,206 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:47,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:25:47,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 35 times [2024-04-03 22:25:47,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:47,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:47,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:47,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:25:47,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 36 times [2024-04-03 22:25:47,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:47,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:47,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:47,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:25:47,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:25:47,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:47,519 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:47,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:47,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:47,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:47,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:47,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:47,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:47,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:47,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:47,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:47,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:47,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218,SelfDestructingSolverStorable219,SelfDestructingSolverStorable217 [2024-04-03 22:25:47,717 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:47,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:47,717 INFO L85 PathProgramCache]: Analyzing trace with hash 424623862, now seen corresponding path program 1 times [2024-04-03 22:25:47,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:47,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933376201] [2024-04-03 22:25:47,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:47,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-04-03 22:25:47,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:47,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933376201] [2024-04-03 22:25:47,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933376201] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:25:47,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:25:47,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:25:47,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895965525] [2024-04-03 22:25:47,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:25:47,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:25:47,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:47,942 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:47,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-04-03 22:25:47,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 37 times [2024-04-03 22:25:47,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:47,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:48,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:48,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:25:48,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 38 times [2024-04-03 22:25:48,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:48,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:48,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:48,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:25:48,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:25:48,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:48,191 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:48,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:48,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:48,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:48,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:48,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:48,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220,SelfDestructingSolverStorable221,SelfDestructingSolverStorable222 [2024-04-03 22:25:48,366 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:48,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:48,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1079679575, now seen corresponding path program 1 times [2024-04-03 22:25:48,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:48,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812097920] [2024-04-03 22:25:48,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:48,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:48,653 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 265 proven. 165 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-03 22:25:48,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:48,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812097920] [2024-04-03 22:25:48,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812097920] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:48,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134363335] [2024-04-03 22:25:48,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:48,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:48,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:48,654 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:48,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-04-03 22:25:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:49,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-03 22:25:49,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:50,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:50,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:25:50,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:25:50,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:25:50,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:25:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 265 proven. 165 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-03 22:25:50,874 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:50,885 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_13452 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_13452) |c_t1_funThread11of11ForFork0_munge_~m#1.base|) |c_t1_funThread11of11ForFork0_munge_~m#1.offset|) 0))) is different from false [2024-04-03 22:25:50,908 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_13452 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_13452) |c_~#mutex1~0.base|) |c_~#mutex1~0.offset|) 0))) is different from false [2024-04-03 22:25:50,973 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:25:50,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:25:50,979 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:25:50,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:25:50,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:25:51,485 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 240 not checked. [2024-04-03 22:25:51,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134363335] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:51,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:51,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-04-03 22:25:51,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101382227] [2024-04-03 22:25:51,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:51,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-03 22:25:51,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:51,584 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:51,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:25:51,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 39 times [2024-04-03 22:25:51,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:51,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:51,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:51,755 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:51,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:25:51,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 40 times [2024-04-03 22:25:51,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:51,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:51,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:52,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:25:52,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=425, Unknown=2, NotChecked=86, Total=600 [2024-04-03 22:25:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:52,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:52,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 18.608695652173914) internal successors, (428), 23 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:52,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:52,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:52,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:52,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:52,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:52,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2024-04-03 22:25:52,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225,72 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable223,SelfDestructingSolverStorable224 [2024-04-03 22:25:52,590 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:52,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:52,590 INFO L85 PathProgramCache]: Analyzing trace with hash 2084108119, now seen corresponding path program 1 times [2024-04-03 22:25:52,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:52,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400229649] [2024-04-03 22:25:52,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:52,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 80 proven. 395 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-04-03 22:25:52,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:52,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400229649] [2024-04-03 22:25:52,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400229649] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:52,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859231595] [2024-04-03 22:25:52,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:52,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:52,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:52,870 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:52,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-04-03 22:25:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:53,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-03 22:25:53,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:54,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:55,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:25:55,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:25:55,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:25:55,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:25:55,110 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 80 proven. 395 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-04-03 22:25:55,110 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:55,123 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_13612 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_13612) |c_t1_funThread4of11ForFork0_munge_~m#1.base|) |c_t1_funThread4of11ForFork0_munge_~m#1.offset|) 0))) is different from false [2024-04-03 22:25:55,215 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:25:55,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:25:55,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:25:55,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:25:55,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:25:55,712 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 80 proven. 155 refuted. 0 times theorem prover too weak. 130 trivial. 240 not checked. [2024-04-03 22:25:55,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859231595] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:55,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:55,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2024-04-03 22:25:55,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165383605] [2024-04-03 22:25:55,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:55,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-03 22:25:55,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:55,811 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:55,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:25:55,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 41 times [2024-04-03 22:25:55,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:55,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:55,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:55,989 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:55,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:25:56,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 42 times [2024-04-03 22:25:56,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:56,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:56,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:56,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-03 22:25:56,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=347, Unknown=1, NotChecked=38, Total=462 [2024-04-03 22:25:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:56,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:25:56,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.428571428571427) internal successors, (450), 21 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:56,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:56,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:56,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:25:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:25:56,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:56,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:56,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:56,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:25:56,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:25:56,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2024-04-03 22:25:56,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable226,SelfDestructingSolverStorable227,SelfDestructingSolverStorable228 [2024-04-03 22:25:56,689 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:25:56,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:25:56,689 INFO L85 PathProgramCache]: Analyzing trace with hash 686123031, now seen corresponding path program 1 times [2024-04-03 22:25:56,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:25:56,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708361526] [2024-04-03 22:25:56,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:56,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 105 proven. 395 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-03 22:25:57,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:25:57,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708361526] [2024-04-03 22:25:57,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708361526] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:25:57,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071915286] [2024-04-03 22:25:57,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:57,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:25:57,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:25:57,025 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:25:57,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-04-03 22:25:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:25:57,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-03 22:25:57,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:25:58,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:25:59,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:25:59,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:25:59,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:25:59,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:25:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 105 proven. 395 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-03 22:25:59,182 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:25:59,195 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_13772 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_13772) |c_t1_funThread5of11ForFork0_munge_~m#1.base|) |c_t1_funThread5of11ForFork0_munge_~m#1.offset|) 0))) is different from false [2024-04-03 22:25:59,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:25:59,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:25:59,269 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:25:59,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:25:59,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:25:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 105 proven. 155 refuted. 0 times theorem prover too weak. 105 trivial. 240 not checked. [2024-04-03 22:25:59,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071915286] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:25:59,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:25:59,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2024-04-03 22:25:59,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389716723] [2024-04-03 22:25:59,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:25:59,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-03 22:25:59,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:25:59,849 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:25:59,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:25:59,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 43 times [2024-04-03 22:25:59,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:25:59,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:25:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:25:59,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:25:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:00,028 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:26:00,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:26:00,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 44 times [2024-04-03 22:26:00,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:00,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:00,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:26:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:00,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-03 22:26:00,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=387, Unknown=1, NotChecked=40, Total=506 [2024-04-03 22:26:00,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:00,274 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:26:00,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.428571428571427) internal successors, (450), 21 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:26:00,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:00,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:00,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:00,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:26:00,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:26:00,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:26:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:00,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2024-04-03 22:26:00,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230,SelfDestructingSolverStorable231,SelfDestructingSolverStorable229,74 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:26:00,783 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:26:00,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:26:00,783 INFO L85 PathProgramCache]: Analyzing trace with hash 460938486, now seen corresponding path program 1 times [2024-04-03 22:26:00,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:26:00,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352350021] [2024-04-03 22:26:00,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:00,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 345 proven. 50 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-04-03 22:26:01,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:26:01,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352350021] [2024-04-03 22:26:01,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352350021] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:26:01,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012428391] [2024-04-03 22:26:01,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:01,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:26:01,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:26:01,026 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:26:01,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-04-03 22:26:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:01,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:26:01,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:26:02,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:26:02,697 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 185 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-04-03 22:26:02,697 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:26:02,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:26:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 345 proven. 50 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-04-03 22:26:02,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012428391] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:26:02,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:26:02,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:26:02,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64618770] [2024-04-03 22:26:02,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:26:02,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:26:02,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:26:02,978 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:26:02,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-04-03 22:26:03,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 45 times [2024-04-03 22:26:03,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:03,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:03,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:26:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:03,155 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:26:03,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:26:03,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 46 times [2024-04-03 22:26:03,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:03,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:03,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:26:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:03,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:26:03,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:26:03,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:03,324 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:26:03,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 27.285714285714285) internal successors, (382), 14 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:26:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:03,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2024-04-03 22:26:03,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232,75 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable233,SelfDestructingSolverStorable234 [2024-04-03 22:26:03,758 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:26:03,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:26:03,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1651783767, now seen corresponding path program 1 times [2024-04-03 22:26:03,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:26:03,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320491072] [2024-04-03 22:26:03,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:03,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 155 proven. 335 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-03 22:26:04,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:26:04,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320491072] [2024-04-03 22:26:04,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320491072] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:26:04,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713996099] [2024-04-03 22:26:04,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:04,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:26:04,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:26:04,043 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:26:04,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2024-04-03 22:26:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:04,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-03 22:26:04,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:26:05,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:26:06,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:06,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:06,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:06,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:06,274 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 155 proven. 335 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-03 22:26:06,274 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:26:06,369 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:26:06,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:26:06,374 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:26:06,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:26:06,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:26:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 155 proven. 335 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-03 22:26:06,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713996099] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:26:06,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:26:06,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2024-04-03 22:26:06,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084603621] [2024-04-03 22:26:06,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:26:06,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-03 22:26:06,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:26:06,961 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:26:06,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:26:07,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 47 times [2024-04-03 22:26:07,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:07,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:07,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:26:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:07,132 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:26:07,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:26:07,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 48 times [2024-04-03 22:26:07,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:07,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:07,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:26:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:07,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-03 22:26:07,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=424, Unknown=1, NotChecked=0, Total=506 [2024-04-03 22:26:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:07,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:26:07,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.428571428571427) internal successors, (450), 21 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:26:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:26:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:26:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:26:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:26:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:26:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:07,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:07,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Ended with exit code 0 [2024-04-03 22:26:07,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 76 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable236,SelfDestructingSolverStorable237,SelfDestructingSolverStorable235 [2024-04-03 22:26:07,965 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:26:07,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:26:07,965 INFO L85 PathProgramCache]: Analyzing trace with hash 152786647, now seen corresponding path program 1 times [2024-04-03 22:26:07,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:26:07,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980012655] [2024-04-03 22:26:07,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:07,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 205 proven. 235 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:26:08,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:26:08,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980012655] [2024-04-03 22:26:08,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980012655] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:26:08,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069702432] [2024-04-03 22:26:08,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:08,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:26:08,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:26:08,316 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:26:08,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-04-03 22:26:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:09,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-03 22:26:09,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:26:10,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:26:10,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:10,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:10,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:10,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:10,491 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 205 proven. 235 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:26:10,491 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:26:10,504 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_14253 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_14253) |c_t1_funThread9of11ForFork0_munge_~m#1.base|) |c_t1_funThread9of11ForFork0_munge_~m#1.offset|) 0))) is different from false [2024-04-03 22:26:10,571 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_14253 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_14253) |c_~#mutex1~0.base|) |c_~#mutex1~0.offset|) 0))) is different from false [2024-04-03 22:26:10,586 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:26:10,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:26:10,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:26:10,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:26:10,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:26:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 250 not checked. [2024-04-03 22:26:11,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069702432] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:26:11,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:26:11,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-04-03 22:26:11,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676763266] [2024-04-03 22:26:11,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:26:11,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-03 22:26:11,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:26:11,189 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:26:11,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:26:11,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 49 times [2024-04-03 22:26:11,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:11,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:11,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:26:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:11,362 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:26:11,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:26:11,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1110396547, now seen corresponding path program 50 times [2024-04-03 22:26:11,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:11,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:11,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:26:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:11,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:26:11,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=424, Unknown=3, NotChecked=86, Total=600 [2024-04-03 22:26:11,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:11,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:26:11,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 19.304347826086957) internal successors, (444), 23 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:26:11,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:11,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:11,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:11,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:26:11,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:26:11,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:11,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:26:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:26:11,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Ended with exit code 0 [2024-04-03 22:26:12,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240,77 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable238,SelfDestructingSolverStorable239 [2024-04-03 22:26:12,149 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 23 more)] === [2024-04-03 22:26:12,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:26:12,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1503840648, now seen corresponding path program 1 times [2024-04-03 22:26:12,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:26:12,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590836500] [2024-04-03 22:26:12,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:12,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:12,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:26:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:12,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:26:12,222 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:26:12,222 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 26 remaining) [2024-04-03 22:26:12,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 26 remaining) [2024-04-03 22:26:12,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 26 remaining) [2024-04-03 22:26:12,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 26 remaining) [2024-04-03 22:26:12,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 26 remaining) [2024-04-03 22:26:12,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 26 remaining) [2024-04-03 22:26:12,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 26 remaining) [2024-04-03 22:26:12,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 26 remaining) [2024-04-03 22:26:12,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 26 remaining) [2024-04-03 22:26:12,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 26 remaining) [2024-04-03 22:26:12,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 26 remaining) [2024-04-03 22:26:12,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2024-04-03 22:26:12,225 INFO L445 BasicCegarLoop]: Path program histogram: [50, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-03 22:26:12,226 WARN L233 ceAbstractionStarter]: 11 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:26:12,226 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 12 thread instances. [2024-04-03 22:26:12,389 INFO L144 ThreadInstanceAdder]: Constructed 48 joinOtherThreadTransitions. [2024-04-03 22:26:12,396 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:26:12,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:26:12,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:26:12,397 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:26:12,401 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:26:12,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:26:12,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:26:12,401 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:26:12,401 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-04-03 22:26:12,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (78)] Waiting until timeout for monitored process [2024-04-03 22:26:12,441 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:26:12,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:26:12,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1033867448, now seen corresponding path program 1 times [2024-04-03 22:26:12,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:26:12,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291303715] [2024-04-03 22:26:12,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:12,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:12,483 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2024-04-03 22:26:12,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:26:12,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291303715] [2024-04-03 22:26:12,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291303715] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:26:12,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:26:12,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:26:12,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422028388] [2024-04-03 22:26:12,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:26:12,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:26:12,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:26:12,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:26:12,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:26:12,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:12,578 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:26:12,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.5) internal successors, (219), 2 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:26:12,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:12,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2024-04-03 22:26:12,881 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:26:12,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:26:12,882 INFO L85 PathProgramCache]: Analyzing trace with hash 605414921, now seen corresponding path program 1 times [2024-04-03 22:26:12,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:26:12,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165444793] [2024-04-03 22:26:12,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:12,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2024-04-03 22:26:13,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:26:13,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165444793] [2024-04-03 22:26:13,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165444793] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:26:13,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:26:13,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:26:13,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810307153] [2024-04-03 22:26:13,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:26:13,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:26:13,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:26:13,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:26:13,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:26:13,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:13,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:26:13,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 58.42857142857143) internal successors, (409), 7 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:26:13,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:13,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:13,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2024-04-03 22:26:13,665 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:26:13,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:26:13,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1322973033, now seen corresponding path program 2 times [2024-04-03 22:26:13,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:26:13,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962142076] [2024-04-03 22:26:13,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:13,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-04-03 22:26:14,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:26:14,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962142076] [2024-04-03 22:26:14,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962142076] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:26:14,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:26:14,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:26:14,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192898904] [2024-04-03 22:26:14,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:26:14,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:26:14,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:26:14,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:26:14,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:26:14,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:14,223 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:26:14,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 58.42857142857143) internal successors, (409), 7 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:26:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:14,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:14,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:14,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:14,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2024-04-03 22:26:14,562 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:26:14,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:26:14,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1051435315, now seen corresponding path program 3 times [2024-04-03 22:26:14,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:26:14,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840440462] [2024-04-03 22:26:14,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:14,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 305 proven. 5 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-04-03 22:26:14,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:26:14,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840440462] [2024-04-03 22:26:14,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840440462] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:26:14,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276295322] [2024-04-03 22:26:14,866 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 22:26:14,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:26:14,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:26:14,868 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:26:14,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2024-04-03 22:26:16,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-04-03 22:26:16,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:26:16,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 79 conjunts are in the unsatisfiable core [2024-04-03 22:26:16,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:26:17,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:26:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:17,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:17,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:17,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:17,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:17,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:17,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:17,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:17,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:17,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:17,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:17,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:17,347 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-03 22:26:17,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 11 [2024-04-03 22:26:18,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:26:18,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:18,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:18,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:18,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:18,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:18,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:18,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:26:18,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:26:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 500 proven. 70 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-04-03 22:26:19,043 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:26:19,097 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_15014 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_15014) |c_~#mutex1~0.base|) |c_~#mutex1~0.offset|) 0))) is different from false [2024-04-03 22:26:19,281 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_15014 (Array Int Int)) (v_ArrVal_15008 (Array Int Int)) (v_ArrVal_15012 (Array Int Int))) (let ((.cse0 (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_15008) |c_~#mutex1~0.base|))) (or (not (= (select (select (store (store (store |c_#pthreadsMutex| |c_~#mutex1~0.base| (store .cse0 |c_~#mutex1~0.offset| 1)) |c_t1_funThread8of12ForFork0_munge_~m#1.base| v_ArrVal_15012) |c_~#__global_lock~0.base| v_ArrVal_15014) |c_~#mutex1~0.base|) |c_~#mutex1~0.offset|) 0)) (not (= (select .cse0 |c_~#mutex1~0.offset|) 0))))) is different from false [2024-04-03 22:26:19,329 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_15014 (Array Int Int)) (v_ArrVal_15006 (Array Int Int)) (v_ArrVal_15008 (Array Int Int)) (v_ArrVal_15012 (Array Int Int))) (let ((.cse0 (store |c_#pthreadsMutex| |c_t1_funThread7of12ForFork0_munge_~m#1.base| v_ArrVal_15006))) (let ((.cse1 (select (store .cse0 |c_~#__global_lock~0.base| v_ArrVal_15008) |c_~#mutex1~0.base|))) (or (not (= (select (select (store (store (store .cse0 |c_~#mutex1~0.base| (store .cse1 |c_~#mutex1~0.offset| 1)) |c_t1_funThread8of12ForFork0_munge_~m#1.base| v_ArrVal_15012) |c_~#__global_lock~0.base| v_ArrVal_15014) |c_~#mutex1~0.base|) |c_~#mutex1~0.offset|) 0)) (not (= (select .cse1 |c_~#mutex1~0.offset|) 0)))))) is different from false [2024-04-03 22:26:19,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:26:19,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 54 [2024-04-03 22:26:19,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:26:19,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 110 [2024-04-03 22:26:19,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2024-04-03 22:26:19,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2024-04-03 22:26:19,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:26:19,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:26:19,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:26:20,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:26:20,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:26:20,572 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:26:20,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:26:20,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:26:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 285 proven. 290 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-04-03 22:26:20,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276295322] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:26:20,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:26:20,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 18, 25] total 46 [2024-04-03 22:26:20,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680026653] [2024-04-03 22:26:20,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:26:20,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-03 22:26:20,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:26:21,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-03 22:26:21,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1548, Unknown=18, NotChecked=252, Total=2070 [2024-04-03 22:26:21,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:21,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:26:21,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 26.217391304347824) internal successors, (1206), 46 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:26:21,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:21,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:21,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:21,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:25,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:26:27,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:26:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-03 22:26:27,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Ended with exit code 0 [2024-04-03 22:26:28,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable245 [2024-04-03 22:26:28,000 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:26:28,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:26:28,001 INFO L85 PathProgramCache]: Analyzing trace with hash -255628921, now seen corresponding path program 1 times [2024-04-03 22:26:28,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:26:28,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535546094] [2024-04-03 22:26:28,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:28,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:28,424 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 415 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-04-03 22:26:28,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:26:28,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535546094] [2024-04-03 22:26:28,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535546094] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:26:28,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:26:28,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:26:28,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884938996] [2024-04-03 22:26:28,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:26:28,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:26:28,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:26:28,509 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:26:28,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:26:28,569 INFO L85 PathProgramCache]: Analyzing trace with hash 454128123, now seen corresponding path program 1 times [2024-04-03 22:26:28,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:28,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:26:28,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:28,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:26:28,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:26:28,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:26:28,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:28,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:26:28,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 33.4) internal successors, (501), 16 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:26:28,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:28,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:28,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:28,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-03 22:26:28,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:32,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:26:34,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:26:36,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:26:38,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:26:40,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:26:43,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:43,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:43,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:43,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-03 22:26:43,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:26:43,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247,SelfDestructingSolverStorable248,SelfDestructingSolverStorable246 [2024-04-03 22:26:43,002 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:26:43,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:26:43,002 INFO L85 PathProgramCache]: Analyzing trace with hash -346914218, now seen corresponding path program 1 times [2024-04-03 22:26:43,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:26:43,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507386512] [2024-04-03 22:26:43,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:43,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 375 proven. 10 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-04-03 22:26:43,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:26:43,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507386512] [2024-04-03 22:26:43,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507386512] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:26:43,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378696432] [2024-04-03 22:26:43,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:43,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:26:43,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:26:43,407 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:26:43,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2024-04-03 22:26:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:44,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:26:44,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:26:45,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:26:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 370 proven. 15 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-04-03 22:26:45,023 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:26:45,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:26:45,189 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 375 proven. 10 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-04-03 22:26:45,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378696432] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:26:45,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:26:45,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:26:45,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153648924] [2024-04-03 22:26:45,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:26:45,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:26:45,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:26:45,300 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:26:45,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:26:45,352 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 1 times [2024-04-03 22:26:45,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:45,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:45,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:26:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:45,468 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:26:45,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:26:45,590 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 2 times [2024-04-03 22:26:45,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:45,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:45,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:26:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:45,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:26:45,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:26:45,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:45,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:26:45,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 36.5) internal successors, (511), 14 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:26:45,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:45,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:45,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:45,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-03 22:26:45,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:26:45,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-03 22:26:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:26:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:46,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Ended with exit code 0 [2024-04-03 22:26:47,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 80 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable250,SelfDestructingSolverStorable251,SelfDestructingSolverStorable249 [2024-04-03 22:26:47,173 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:26:47,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:26:47,173 INFO L85 PathProgramCache]: Analyzing trace with hash -657815952, now seen corresponding path program 2 times [2024-04-03 22:26:47,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:26:47,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273983768] [2024-04-03 22:26:47,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:47,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:26:47,502 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-03 22:26:47,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:26:47,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273983768] [2024-04-03 22:26:47,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273983768] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:26:47,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:26:47,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:26:47,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094354425] [2024-04-03 22:26:47,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:26:47,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:26:47,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:26:47,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:26:47,694 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 3 times [2024-04-03 22:26:47,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:47,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:47,714 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:26:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:47,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:26:47,855 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 4 times [2024-04-03 22:26:47,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:26:47,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:26:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:47,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:26:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:26:48,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:26:48,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:26:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:48,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:26:48,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 59.714285714285715) internal successors, (418), 7 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:26:48,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:48,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:48,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:26:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-03 22:26:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:26:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:26:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:26:51,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:26:53,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:26:55,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:26:57,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:26:59,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:27:01,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:27:03,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:27:05,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:27:07,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:27:09,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:27:23,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:27:23,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:23,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:23,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 22:27:23,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:27:23,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:27:23,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:23,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252,SelfDestructingSolverStorable253,SelfDestructingSolverStorable254 [2024-04-03 22:27:23,419 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:27:23,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:27:23,419 INFO L85 PathProgramCache]: Analyzing trace with hash -206401129, now seen corresponding path program 4 times [2024-04-03 22:27:23,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:27:23,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850156391] [2024-04-03 22:27:23,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:27:23,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:27:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:27:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 530 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-04-03 22:27:23,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:27:23,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850156391] [2024-04-03 22:27:23,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850156391] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:27:23,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:27:23,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:27:23,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183801966] [2024-04-03 22:27:23,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:27:23,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:27:23,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:27:23,853 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:27:23,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:27:23,912 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 5 times [2024-04-03 22:27:23,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:27:23,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:27:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:27:23,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:27:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:27:24,013 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:27:24,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:27:24,141 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 6 times [2024-04-03 22:27:24,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:27:24,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:27:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:27:24,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:27:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:27:24,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:27:24,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:27:24,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:27:24,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:27:24,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 59.714285714285715) internal successors, (418), 7 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:27:24,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:27:24,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:24,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:24,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 22:27:24,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:27:24,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:27:24,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:24,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:27:27,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:27:29,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:27:29,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:27:29,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:29,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:29,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-03 22:27:29,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:27:29,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:27:29,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:29,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:29,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255,SelfDestructingSolverStorable256,SelfDestructingSolverStorable257 [2024-04-03 22:27:29,904 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:27:29,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:27:29,904 INFO L85 PathProgramCache]: Analyzing trace with hash 744510731, now seen corresponding path program 5 times [2024-04-03 22:27:29,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:27:29,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299827611] [2024-04-03 22:27:29,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:27:29,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:27:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:27:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 495 proven. 70 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:27:30,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:27:30,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299827611] [2024-04-03 22:27:30,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299827611] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:27:30,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420992894] [2024-04-03 22:27:30,337 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-03 22:27:30,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:27:30,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:27:30,338 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:27:30,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2024-04-03 22:27:31,470 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-03 22:27:31,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:27:31,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-03 22:27:31,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:27:31,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:27:31,835 INFO L349 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2024-04-03 22:27:31,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 30 [2024-04-03 22:27:31,898 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-04-03 22:27:31,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 21 [2024-04-03 22:27:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 465 proven. 85 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-03 22:27:31,955 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:27:32,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:27:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 465 proven. 85 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-03 22:27:32,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420992894] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:27:32,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:27:32,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 8] total 18 [2024-04-03 22:27:32,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178242162] [2024-04-03 22:27:32,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:27:32,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:27:32,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:27:32,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:27:32,526 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 7 times [2024-04-03 22:27:32,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:27:32,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:27:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:27:32,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:27:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:27:32,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:27:32,848 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 8 times [2024-04-03 22:27:32,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:27:32,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:27:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:27:32,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:27:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:27:33,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:27:33,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:27:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:27:33,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:27:33,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 33.77777777777778) internal successors, (608), 18 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:27:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:27:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-03 22:27:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:27:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:27:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:33,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:27:36,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:27:39,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:27:41,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:27:54,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:27:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:27:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-03 22:27:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:27:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:27:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:27:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:27:56,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Forceful destruction successful, exit code 0 [2024-04-03 22:27:57,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable260,SelfDestructingSolverStorable258,SelfDestructingSolverStorable259,81 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:27:57,160 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:27:57,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:27:57,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1637758823, now seen corresponding path program 1 times [2024-04-03 22:27:57,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:27:57,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320023372] [2024-04-03 22:27:57,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:27:57,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:27:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:27:57,470 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 495 proven. 45 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-04-03 22:27:57,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:27:57,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320023372] [2024-04-03 22:27:57,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320023372] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:27:57,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028445106] [2024-04-03 22:27:57,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:27:57,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:27:57,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:27:57,472 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:27:57,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2024-04-03 22:27:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:27:58,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:27:58,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:27:59,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:27:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 385 proven. 155 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-04-03 22:27:59,471 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:27:59,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:27:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 495 proven. 45 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-04-03 22:27:59,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028445106] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:27:59,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:27:59,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:27:59,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783159664] [2024-04-03 22:27:59,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:27:59,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:27:59,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:27:59,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:27:59,945 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 9 times [2024-04-03 22:27:59,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:27:59,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:27:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:27:59,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:27:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:00,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:28:00,104 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 10 times [2024-04-03 22:28:00,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:00,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:00,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:00,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:28:00,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-04-03 22:28:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:00,813 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:28:00,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 39.42857142857143) internal successors, (552), 14 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:28:00,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:00,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:00,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:00,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-03 22:28:00,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:00,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:00,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:00,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:00,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:00,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:03,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:28:05,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:28:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-03 22:28:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:05,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Ended with exit code 0 [2024-04-03 22:28:06,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261,SelfDestructingSolverStorable262,SelfDestructingSolverStorable263,82 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:28:06,020 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:28:06,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:28:06,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2113278233, now seen corresponding path program 1 times [2024-04-03 22:28:06,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:28:06,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386339017] [2024-04-03 22:28:06,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:06,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 495 proven. 75 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-04-03 22:28:06,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:28:06,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386339017] [2024-04-03 22:28:06,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386339017] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:28:06,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593894071] [2024-04-03 22:28:06,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:06,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:28:06,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:28:06,323 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:28:06,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2024-04-03 22:28:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:07,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:28:07,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:28:08,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:28:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 200 proven. 290 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-04-03 22:28:08,786 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:28:08,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:28:09,334 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 425 proven. 65 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-04-03 22:28:09,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593894071] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:28:09,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:28:09,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:28:09,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378068984] [2024-04-03 22:28:09,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:28:09,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:28:09,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:28:09,537 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:28:09,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:28:09,633 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 11 times [2024-04-03 22:28:09,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:09,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:09,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:09,782 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:28:09,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:28:09,859 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 12 times [2024-04-03 22:28:09,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:09,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:09,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:10,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:28:10,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:28:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:10,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:28:10,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 43.0) internal successors, (774), 18 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:28:10,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:10,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:10,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:10,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-03 22:28:10,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:10,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:10,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:14,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:14,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Forceful destruction successful, exit code 0 [2024-04-03 22:28:14,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable264,SelfDestructingSolverStorable265,SelfDestructingSolverStorable266 [2024-04-03 22:28:14,357 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:28:14,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:28:14,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1315207260, now seen corresponding path program 1 times [2024-04-03 22:28:14,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:28:14,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783805274] [2024-04-03 22:28:14,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:14,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:14,655 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 495 proven. 60 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:28:14,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:28:14,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783805274] [2024-04-03 22:28:14,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783805274] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:28:14,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905665861] [2024-04-03 22:28:14,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:14,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:28:14,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:28:14,657 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:28:14,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2024-04-03 22:28:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:15,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:28:15,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:28:16,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:28:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 460 proven. 95 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:28:16,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:28:16,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:28:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 495 proven. 60 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:28:17,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905665861] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:28:17,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:28:17,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:28:17,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028463085] [2024-04-03 22:28:17,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:28:17,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:28:17,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:28:17,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:28:17,377 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 13 times [2024-04-03 22:28:17,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:17,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:17,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:17,496 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:28:17,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:28:17,544 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 14 times [2024-04-03 22:28:17,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:17,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:17,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:18,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:28:18,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:28:18,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:18,032 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:28:18,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 35.57142857142857) internal successors, (498), 14 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:28:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:18,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:18,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:18,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:18,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:18,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:18,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:18,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:18,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Ended with exit code 0 [2024-04-03 22:28:19,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable269,84 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable267,SelfDestructingSolverStorable268 [2024-04-03 22:28:19,117 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:28:19,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:28:19,118 INFO L85 PathProgramCache]: Analyzing trace with hash -685573502, now seen corresponding path program 1 times [2024-04-03 22:28:19,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:28:19,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244612160] [2024-04-03 22:28:19,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:19,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:19,405 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 515 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-04-03 22:28:19,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:28:19,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244612160] [2024-04-03 22:28:19,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244612160] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:28:19,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:28:19,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:28:19,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143660204] [2024-04-03 22:28:19,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:28:19,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:28:19,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:28:19,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:28:19,568 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 15 times [2024-04-03 22:28:19,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:19,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:19,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:19,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:28:19,728 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 16 times [2024-04-03 22:28:19,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:19,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:19,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:20,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:28:20,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:28:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:20,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:28:20,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 45.142857142857146) internal successors, (316), 7 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:20,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272,SelfDestructingSolverStorable270,SelfDestructingSolverStorable271 [2024-04-03 22:28:20,572 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:28:20,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:28:20,573 INFO L85 PathProgramCache]: Analyzing trace with hash 212071244, now seen corresponding path program 1 times [2024-04-03 22:28:20,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:28:20,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911713036] [2024-04-03 22:28:20,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:20,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:20,856 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 545 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-03 22:28:20,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:28:20,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911713036] [2024-04-03 22:28:20,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911713036] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:28:20,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:28:20,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:28:20,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956848391] [2024-04-03 22:28:20,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:28:20,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:28:20,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:28:20,941 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:28:20,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:28:21,021 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 17 times [2024-04-03 22:28:21,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:21,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:21,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:21,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:28:21,187 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 18 times [2024-04-03 22:28:21,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:21,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:21,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:21,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:28:21,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:28:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:21,473 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:28:21,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:28:21,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:21,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:21,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:21,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:21,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273,SelfDestructingSolverStorable274,SelfDestructingSolverStorable275 [2024-04-03 22:28:21,976 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:28:21,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:28:21,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1702834416, now seen corresponding path program 1 times [2024-04-03 22:28:21,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:28:21,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910969715] [2024-04-03 22:28:21,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:21,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 475 proven. 105 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-04-03 22:28:22,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:28:22,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910969715] [2024-04-03 22:28:22,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910969715] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:28:22,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719912295] [2024-04-03 22:28:22,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:22,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:28:22,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:28:22,232 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:28:22,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2024-04-03 22:28:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:23,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:28:23,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:28:24,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:28:24,444 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 355 proven. 225 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-04-03 22:28:24,444 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:28:24,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:28:24,823 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 475 proven. 105 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-04-03 22:28:24,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719912295] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:28:24,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:28:24,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:28:24,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611588772] [2024-04-03 22:28:24,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:28:24,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:28:24,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:28:24,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:28:24,975 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 19 times [2024-04-03 22:28:24,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:24,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:24,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:25,104 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:28:25,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:28:25,219 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 20 times [2024-04-03 22:28:25,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:25,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:25,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:25,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:28:25,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:28:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:25,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:28:25,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 34.142857142857146) internal successors, (478), 14 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:28:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:26,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:26,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Ended with exit code 0 [2024-04-03 22:28:26,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276,85 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277,SelfDestructingSolverStorable278 [2024-04-03 22:28:26,555 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:28:26,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:28:26,555 INFO L85 PathProgramCache]: Analyzing trace with hash -594533218, now seen corresponding path program 1 times [2024-04-03 22:28:26,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:28:26,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617231737] [2024-04-03 22:28:26,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:26,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 475 proven. 75 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-03 22:28:26,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:28:26,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617231737] [2024-04-03 22:28:26,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617231737] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:28:26,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927596727] [2024-04-03 22:28:26,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:26,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:28:26,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:28:26,797 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:28:26,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2024-04-03 22:28:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:27,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:28:27,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:28:29,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:28:29,156 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 255 proven. 290 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-03 22:28:29,157 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:28:29,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:28:29,582 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 455 proven. 90 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-03 22:28:29,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927596727] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:28:29,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:28:29,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:28:29,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768086411] [2024-04-03 22:28:29,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:28:29,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:28:29,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:28:29,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:28:29,729 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 21 times [2024-04-03 22:28:29,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:29,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:29,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:29,848 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:28:29,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:28:29,962 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 22 times [2024-04-03 22:28:29,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:29,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:29,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:30,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:28:30,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:28:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:30,637 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:28:30,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 36.05555555555556) internal successors, (649), 18 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:28:31,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Forceful destruction successful, exit code 0 [2024-04-03 22:28:31,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable280,SelfDestructingSolverStorable281,SelfDestructingSolverStorable279 [2024-04-03 22:28:31,654 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:28:31,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:28:31,654 INFO L85 PathProgramCache]: Analyzing trace with hash 386819152, now seen corresponding path program 1 times [2024-04-03 22:28:31,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:28:31,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060841323] [2024-04-03 22:28:31,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:31,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:31,911 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 425 proven. 65 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-04-03 22:28:31,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:28:31,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060841323] [2024-04-03 22:28:31,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060841323] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:28:31,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107499121] [2024-04-03 22:28:31,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:31,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:28:31,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:28:31,913 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:28:31,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2024-04-03 22:28:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:33,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:28:33,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:28:34,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:28:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 390 proven. 100 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-04-03 22:28:34,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:28:34,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:28:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 425 proven. 65 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-04-03 22:28:34,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107499121] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:28:34,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:28:34,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:28:34,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524337171] [2024-04-03 22:28:34,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:28:34,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:28:34,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:28:34,729 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:28:34,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:28:34,803 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 23 times [2024-04-03 22:28:34,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:34,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:34,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:34,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:28:35,026 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 24 times [2024-04-03 22:28:35,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:35,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:35,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:35,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:28:35,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:28:35,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:35,494 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:28:35,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 35.07142857142857) internal successors, (491), 14 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:28:35,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:35,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:35,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:35,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:35,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:35,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:35,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:35,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:35,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:35,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:35,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:35,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:35,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:35,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:35,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:35,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:28:35,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:28:36,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:36,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Ended with exit code 0 [2024-04-03 22:28:36,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable283,SelfDestructingSolverStorable284,SelfDestructingSolverStorable282,87 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:28:36,338 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:28:36,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:28:36,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1607443637, now seen corresponding path program 1 times [2024-04-03 22:28:36,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:28:36,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582251694] [2024-04-03 22:28:36,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:36,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 425 proven. 65 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-04-03 22:28:36,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:28:36,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582251694] [2024-04-03 22:28:36,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582251694] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:28:36,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045879589] [2024-04-03 22:28:36,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:36,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:28:36,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:28:36,692 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:28:36,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2024-04-03 22:28:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:37,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:28:37,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:28:38,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:28:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 185 proven. 210 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-04-03 22:28:38,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:28:38,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:28:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 355 proven. 40 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-04-03 22:28:39,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045879589] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:28:39,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:28:39,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:28:39,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784514083] [2024-04-03 22:28:39,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:28:39,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:28:39,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:28:39,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:28:39,325 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 25 times [2024-04-03 22:28:39,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:39,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:39,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:39,447 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:28:39,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:28:39,561 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 26 times [2024-04-03 22:28:39,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:39,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:39,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:40,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:28:40,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:28:40,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:40,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:28:40,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 38.666666666666664) internal successors, (696), 18 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:28:40,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:40,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:40,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:40,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:40,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:40,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:28:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:42,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:28:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:28:43,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Ended with exit code 0 [2024-04-03 22:28:43,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,88 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable286,SelfDestructingSolverStorable287 [2024-04-03 22:28:43,320 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:28:43,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:28:43,320 INFO L85 PathProgramCache]: Analyzing trace with hash -799864880, now seen corresponding path program 2 times [2024-04-03 22:28:43,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:28:43,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716962612] [2024-04-03 22:28:43,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:43,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2024-04-03 22:28:43,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:28:43,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716962612] [2024-04-03 22:28:43,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716962612] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:28:43,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:28:43,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:28:43,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883802377] [2024-04-03 22:28:43,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:28:43,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:28:43,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:28:43,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:28:43,647 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 27 times [2024-04-03 22:28:43,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:43,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:43,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:43,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:28:43,759 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 28 times [2024-04-03 22:28:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:43,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:43,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:44,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:28:44,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:28:44,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:44,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:28:44,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.714285714285715) internal successors, (285), 7 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:28:44,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:44,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:44,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:44,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:44,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:44,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:44,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:44,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:44,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:44,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:28:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:28:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:46,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:28:48,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:28:48,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:48,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable290,SelfDestructingSolverStorable288,SelfDestructingSolverStorable289 [2024-04-03 22:28:48,680 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:28:48,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:28:48,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1781518133, now seen corresponding path program 1 times [2024-04-03 22:28:48,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:28:48,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329439917] [2024-04-03 22:28:48,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:48,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:48,934 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 455 proven. 55 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-04-03 22:28:48,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:28:48,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329439917] [2024-04-03 22:28:48,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329439917] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:28:48,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3960168] [2024-04-03 22:28:48,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:48,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:28:48,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:28:48,935 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:28:48,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Waiting until timeout for monitored process [2024-04-03 22:28:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:50,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:28:50,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:28:51,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:28:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 410 proven. 100 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-04-03 22:28:51,166 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:28:51,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:28:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 455 proven. 55 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-04-03 22:28:51,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3960168] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:28:51,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:28:51,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:28:51,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307904536] [2024-04-03 22:28:51,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:28:51,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:28:51,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:28:51,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:28:51,826 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 29 times [2024-04-03 22:28:51,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:51,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:51,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:51,974 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:28:51,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:28:52,054 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 30 times [2024-04-03 22:28:52,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:52,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:52,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:52,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:28:52,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:28:52,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:52,565 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:28:52,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 35.642857142857146) internal successors, (499), 14 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:55,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:28:55,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:55,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:28:55,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:55,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:28:55,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Ended with exit code 0 [2024-04-03 22:28:55,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable291,SelfDestructingSolverStorable292,SelfDestructingSolverStorable293,89 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:28:55,378 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:28:55,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:28:55,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1903582578, now seen corresponding path program 1 times [2024-04-03 22:28:55,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:28:55,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876577296] [2024-04-03 22:28:55,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:55,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 455 proven. 35 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-04-03 22:28:55,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:28:55,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876577296] [2024-04-03 22:28:55,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876577296] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:28:55,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907237802] [2024-04-03 22:28:55,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:55,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:28:55,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:28:55,756 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:28:55,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Waiting until timeout for monitored process [2024-04-03 22:28:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:28:56,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:28:56,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:28:58,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:28:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 105 proven. 355 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-03 22:28:58,327 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:28:58,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:28:58,893 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 395 proven. 65 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-03 22:28:58,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907237802] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:28:58,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:28:58,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:28:58,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195747463] [2024-04-03 22:28:58,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:28:58,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:28:58,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:28:58,976 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:28:58,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:28:59,051 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 31 times [2024-04-03 22:28:59,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:59,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:59,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:59,160 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:28:59,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:28:59,233 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 32 times [2024-04-03 22:28:59,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:28:59,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:28:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:59,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:28:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:28:59,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:28:59,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:28:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:59,885 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:28:59,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 39.388888888888886) internal successors, (709), 18 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:28:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:28:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-03 22:28:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:28:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:28:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:28:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:03,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Forceful destruction successful, exit code 0 [2024-04-03 22:29:03,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294,90 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable295,SelfDestructingSolverStorable296 [2024-04-03 22:29:03,273 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:03,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:03,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1709678103, now seen corresponding path program 1 times [2024-04-03 22:29:03,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:03,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358802863] [2024-04-03 22:29:03,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:03,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:03,520 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 465 proven. 75 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-04-03 22:29:03,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:03,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358802863] [2024-04-03 22:29:03,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358802863] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:29:03,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178881838] [2024-04-03 22:29:03,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:03,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:29:03,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:29:03,521 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:29:03,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2024-04-03 22:29:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:04,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:29:04,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:29:05,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:29:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 330 proven. 210 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-04-03 22:29:05,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:29:05,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:29:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 465 proven. 75 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-04-03 22:29:06,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178881838] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:29:06,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:29:06,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:29:06,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947838592] [2024-04-03 22:29:06,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:29:06,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:29:06,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:06,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:29:06,542 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 33 times [2024-04-03 22:29:06,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:06,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:06,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:06,654 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:06,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:29:06,736 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 34 times [2024-04-03 22:29:06,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:06,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:06,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:07,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:29:07,257 INFO L85 PathProgramCache]: Analyzing trace with hash -226849351, now seen corresponding path program 1 times [2024-04-03 22:29:07,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:07,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:07,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:29:07,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:07,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:08,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:29:08,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-03 22:29:08,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2024-04-03 22:29:08,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:08,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:08,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 35.095238095238095) internal successors, (737), 22 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-03 22:29:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:08,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:10,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:11,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Ended with exit code 0 [2024-04-03 22:29:11,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable297,91 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable298,SelfDestructingSolverStorable299,SelfDestructingSolverStorable300,SelfDestructingSolverStorable301 [2024-04-03 22:29:11,745 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:11,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:11,746 INFO L85 PathProgramCache]: Analyzing trace with hash -800766156, now seen corresponding path program 1 times [2024-04-03 22:29:11,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:11,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536821039] [2024-04-03 22:29:11,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:11,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:11,995 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 495 proven. 25 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-04-03 22:29:11,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:11,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536821039] [2024-04-03 22:29:11,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536821039] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:29:11,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136342184] [2024-04-03 22:29:11,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:11,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:29:11,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:29:11,997 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:29:11,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Waiting until timeout for monitored process [2024-04-03 22:29:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:13,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:29:13,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:29:14,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:29:14,031 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 485 proven. 35 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-04-03 22:29:14,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:29:14,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:29:14,432 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 495 proven. 25 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-04-03 22:29:14,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136342184] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:29:14,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:29:14,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:29:14,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148142193] [2024-04-03 22:29:14,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:29:14,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:29:14,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:14,531 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:14,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:29:14,652 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 35 times [2024-04-03 22:29:14,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:14,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:14,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:14,765 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:14,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:29:14,820 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 36 times [2024-04-03 22:29:14,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:14,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:14,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:15,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:29:15,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:29:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:15,119 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:15,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 30.214285714285715) internal successors, (423), 14 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:15,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:15,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-03 22:29:15,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:15,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:15,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:29:15,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:15,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:15,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Ended with exit code 0 [2024-04-03 22:29:15,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable302,SelfDestructingSolverStorable303,SelfDestructingSolverStorable304 [2024-04-03 22:29:15,914 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:15,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:15,915 INFO L85 PathProgramCache]: Analyzing trace with hash 611003068, now seen corresponding path program 1 times [2024-04-03 22:29:15,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:15,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378863939] [2024-04-03 22:29:15,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:15,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 540 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-04-03 22:29:16,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:16,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378863939] [2024-04-03 22:29:16,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378863939] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:29:16,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:29:16,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:29:16,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444145036] [2024-04-03 22:29:16,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:29:16,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:29:16,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:16,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:29:16,329 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 37 times [2024-04-03 22:29:16,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:16,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:16,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:16,509 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:16,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:29:16,585 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 38 times [2024-04-03 22:29:16,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:16,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:16,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:16,716 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:16,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:29:16,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1338230799, now seen corresponding path program 1 times [2024-04-03 22:29:16,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:16,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:16,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:16,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:29:16,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-04-03 22:29:16,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:16,977 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:16,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.857142857142854) internal successors, (244), 7 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:16,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:16,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:16,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:16,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:16,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:16,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:16,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:16,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:16,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:17,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306,SelfDestructingSolverStorable307,SelfDestructingSolverStorable308,SelfDestructingSolverStorable305 [2024-04-03 22:29:17,535 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:17,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:17,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1031732577, now seen corresponding path program 1 times [2024-04-03 22:29:17,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:17,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149902764] [2024-04-03 22:29:17,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:17,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 425 proven. 25 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-03 22:29:17,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:17,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149902764] [2024-04-03 22:29:17,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149902764] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:29:17,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441363823] [2024-04-03 22:29:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:17,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:29:17,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:29:17,752 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:29:17,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Waiting until timeout for monitored process [2024-04-03 22:29:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:18,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:29:18,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:29:20,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:29:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 130 proven. 355 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-04-03 22:29:20,398 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:29:20,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:29:20,988 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 355 proven. 130 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-04-03 22:29:20,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441363823] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:29:20,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:29:20,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:29:20,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384623744] [2024-04-03 22:29:20,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:29:20,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:29:20,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:21,095 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:21,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:29:21,163 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 39 times [2024-04-03 22:29:21,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:21,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:21,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:21,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:29:21,397 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 40 times [2024-04-03 22:29:21,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:21,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:21,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:21,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:29:21,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:29:21,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:21,649 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:21,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 33.44444444444444) internal successors, (602), 18 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:21,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:21,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:21,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-03 22:29:22,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:22,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:22,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:22,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:22,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:22,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:22,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Ended with exit code 0 [2024-04-03 22:29:22,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 93 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable309,SelfDestructingSolverStorable310,SelfDestructingSolverStorable311 [2024-04-03 22:29:22,679 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:22,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:22,679 INFO L85 PathProgramCache]: Analyzing trace with hash 254485512, now seen corresponding path program 1 times [2024-04-03 22:29:22,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:22,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200556896] [2024-04-03 22:29:22,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:22,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 260 proven. 10 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-04-03 22:29:22,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:22,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200556896] [2024-04-03 22:29:22,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200556896] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:29:22,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252833198] [2024-04-03 22:29:22,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:22,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:29:22,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:29:22,889 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:29:22,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Waiting until timeout for monitored process [2024-04-03 22:29:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:24,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:29:24,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:29:24,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:29:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 260 proven. 10 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-04-03 22:29:24,980 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:29:25,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:29:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 260 proven. 10 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-04-03 22:29:25,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252833198] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:29:25,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:29:25,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:29:25,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517973679] [2024-04-03 22:29:25,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:29:25,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:29:25,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:25,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:29:25,244 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 41 times [2024-04-03 22:29:25,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:25,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:25,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:25,354 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:25,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:29:25,465 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 42 times [2024-04-03 22:29:25,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:25,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:25,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:25,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:29:25,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1338230799, now seen corresponding path program 2 times [2024-04-03 22:29:25,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:25,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:25,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:25,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:29:25,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:29:25,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:25,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:25,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 27.375) internal successors, (438), 16 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:25,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:25,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:25,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:25,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-03 22:29:25,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:25,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:25,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:25,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:28,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:29:30,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:29:34,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:29:34,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:34,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:34,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:34,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Ended with exit code 0 [2024-04-03 22:29:34,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable313,SelfDestructingSolverStorable314,SelfDestructingSolverStorable315,SelfDestructingSolverStorable312 [2024-04-03 22:29:34,872 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:34,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:34,873 INFO L85 PathProgramCache]: Analyzing trace with hash -391893145, now seen corresponding path program 1 times [2024-04-03 22:29:34,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:34,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596590734] [2024-04-03 22:29:34,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:34,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2024-04-03 22:29:35,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:35,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596590734] [2024-04-03 22:29:35,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596590734] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:29:35,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:29:35,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:29:35,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415236207] [2024-04-03 22:29:35,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:29:35,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:29:35,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:35,130 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:35,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:29:35,173 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 43 times [2024-04-03 22:29:35,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:35,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:35,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:35,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:29:35,310 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 44 times [2024-04-03 22:29:35,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:35,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:35,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:35,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:29:35,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1338230799, now seen corresponding path program 3 times [2024-04-03 22:29:35,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:35,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:35,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:35,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:29:35,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-04-03 22:29:35,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:35,712 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:35,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 31.428571428571427) internal successors, (220), 7 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:35,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:36,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:36,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:36,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable317,SelfDestructingSolverStorable318,SelfDestructingSolverStorable319,SelfDestructingSolverStorable316 [2024-04-03 22:29:36,105 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:36,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:36,105 INFO L85 PathProgramCache]: Analyzing trace with hash -659099831, now seen corresponding path program 2 times [2024-04-03 22:29:36,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:36,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458683337] [2024-04-03 22:29:36,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:36,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-03 22:29:36,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:36,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458683337] [2024-04-03 22:29:36,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458683337] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:29:36,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:29:36,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:29:36,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932377688] [2024-04-03 22:29:36,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:29:36,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:29:36,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:36,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:29:36,466 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 45 times [2024-04-03 22:29:36,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:36,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:36,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:36,573 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:36,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:29:36,657 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 46 times [2024-04-03 22:29:36,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:36,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:36,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:36,804 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:36,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:29:36,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1338230799, now seen corresponding path program 4 times [2024-04-03 22:29:36,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:36,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:36,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:37,070 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:37,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:29:37,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1988110758, now seen corresponding path program 1 times [2024-04-03 22:29:37,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:37,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:37,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:29:37,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:37,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:37,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:29:37,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:29:37,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:29:37,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:37,927 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:37,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 29.4) internal successors, (441), 16 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:37,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:37,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:37,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:37,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:37,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:37,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:37,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:37,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:37,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:37,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:37,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:37,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:39,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:39,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:39,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:39,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:39,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:39,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:39,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:39,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable324,SelfDestructingSolverStorable325,SelfDestructingSolverStorable320,SelfDestructingSolverStorable321,SelfDestructingSolverStorable322,SelfDestructingSolverStorable323 [2024-04-03 22:29:39,163 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:39,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:39,163 INFO L85 PathProgramCache]: Analyzing trace with hash -902593634, now seen corresponding path program 1 times [2024-04-03 22:29:39,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:39,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523904782] [2024-04-03 22:29:39,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:39,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-03 22:29:39,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:39,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523904782] [2024-04-03 22:29:39,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523904782] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:29:39,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:29:39,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:29:39,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925820977] [2024-04-03 22:29:39,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:29:39,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:29:39,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:39,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:29:39,469 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 47 times [2024-04-03 22:29:39,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:39,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:39,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:39,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:29:39,583 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 48 times [2024-04-03 22:29:39,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:39,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:39,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:39,716 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:39,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:29:39,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1338230799, now seen corresponding path program 5 times [2024-04-03 22:29:39,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:39,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:39,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:40,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:29:40,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-04-03 22:29:40,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:40,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:40,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 7 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:40,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:40,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:40,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:40,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:40,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:40,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:40,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:40,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:40,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable328,SelfDestructingSolverStorable329,SelfDestructingSolverStorable326,SelfDestructingSolverStorable327 [2024-04-03 22:29:40,504 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:40,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:40,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1108372514, now seen corresponding path program 1 times [2024-04-03 22:29:40,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:40,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298999892] [2024-04-03 22:29:40,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:40,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:40,747 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-03 22:29:40,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:40,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298999892] [2024-04-03 22:29:40,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298999892] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:29:40,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:29:40,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:29:40,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780036276] [2024-04-03 22:29:40,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:29:40,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:29:40,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:40,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:29:40,842 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 49 times [2024-04-03 22:29:40,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:40,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:40,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:40,934 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:40,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:29:40,984 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 50 times [2024-04-03 22:29:40,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:40,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:41,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:41,120 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:41,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:29:41,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1338230799, now seen corresponding path program 6 times [2024-04-03 22:29:41,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:41,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:41,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:41,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:29:41,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-04-03 22:29:41,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:41,371 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:41,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 7 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:41,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:41,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:41,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable330,SelfDestructingSolverStorable331,SelfDestructingSolverStorable332,SelfDestructingSolverStorable333 [2024-04-03 22:29:41,690 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:41,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:41,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1145978524, now seen corresponding path program 1 times [2024-04-03 22:29:41,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:41,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227375573] [2024-04-03 22:29:41,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:41,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 425 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-03 22:29:41,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:41,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227375573] [2024-04-03 22:29:41,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227375573] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:29:41,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:29:41,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:29:41,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215654687] [2024-04-03 22:29:41,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:29:41,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:29:41,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:41,958 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:41,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:29:41,997 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 51 times [2024-04-03 22:29:41,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:41,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:42,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:42,162 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:42,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:29:42,208 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 52 times [2024-04-03 22:29:42,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:42,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:42,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:42,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:29:42,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:29:42,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:42,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:42,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.714285714285715) internal successors, (229), 7 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:42,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable335,SelfDestructingSolverStorable336,SelfDestructingSolverStorable334 [2024-04-03 22:29:42,682 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:42,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:42,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1398393097, now seen corresponding path program 1 times [2024-04-03 22:29:42,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:42,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715434049] [2024-04-03 22:29:42,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:42,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-04-03 22:29:42,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:42,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715434049] [2024-04-03 22:29:42,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715434049] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:29:42,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:29:42,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:29:42,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141896728] [2024-04-03 22:29:42,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:29:42,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:29:42,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:42,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:29:43,010 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 53 times [2024-04-03 22:29:43,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:43,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:43,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:43,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:29:43,120 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 54 times [2024-04-03 22:29:43,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:43,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:43,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:43,248 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:43,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:29:43,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1338230799, now seen corresponding path program 7 times [2024-04-03 22:29:43,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:43,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:43,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:43,518 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:43,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:29:43,599 INFO L85 PathProgramCache]: Analyzing trace with hash 2129212389, now seen corresponding path program 1 times [2024-04-03 22:29:43,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:43,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:44,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:29:44,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:44,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:29:44,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:29:44,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:29:44,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:44,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:44,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 28.666666666666668) internal successors, (430), 16 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:44,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:44,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:44,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:44,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:44,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:44,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:44,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:44,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:44,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:44,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:44,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:45,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:45,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:45,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable340,SelfDestructingSolverStorable341,SelfDestructingSolverStorable339,SelfDestructingSolverStorable337,SelfDestructingSolverStorable338,SelfDestructingSolverStorable342 [2024-04-03 22:29:45,524 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:45,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:45,524 INFO L85 PathProgramCache]: Analyzing trace with hash -514771962, now seen corresponding path program 1 times [2024-04-03 22:29:45,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:45,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659590629] [2024-04-03 22:29:45,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:45,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 455 proven. 35 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-04-03 22:29:45,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:45,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659590629] [2024-04-03 22:29:45,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659590629] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:29:45,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860677577] [2024-04-03 22:29:45,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:45,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:29:45,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:29:45,739 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:29:45,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Waiting until timeout for monitored process [2024-04-03 22:29:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:47,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:29:47,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:29:47,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:29:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 230 proven. 260 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-04-03 22:29:47,987 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:29:47,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:29:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 455 proven. 35 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-04-03 22:29:48,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860677577] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:29:48,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:29:48,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:29:48,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049838891] [2024-04-03 22:29:48,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:29:48,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:29:48,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:48,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:29:48,389 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 55 times [2024-04-03 22:29:48,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:48,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:48,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:48,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:29:48,557 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 56 times [2024-04-03 22:29:48,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:48,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:48,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:48,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:29:48,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:29:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:48,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:48,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 30.0) internal successors, (420), 14 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:48,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:48,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:48,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:48,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:48,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:48,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:48,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:48,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:48,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:48,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:48,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:48,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:49,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:49,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:49,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:49,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:49,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:49,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:49,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:49,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:49,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:49,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Ended with exit code 0 [2024-04-03 22:29:49,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 95 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable343,SelfDestructingSolverStorable344,SelfDestructingSolverStorable345 [2024-04-03 22:29:49,309 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:49,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:49,310 INFO L85 PathProgramCache]: Analyzing trace with hash -872152116, now seen corresponding path program 1 times [2024-04-03 22:29:49,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:49,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768526721] [2024-04-03 22:29:49,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:49,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:49,519 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-04-03 22:29:49,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:49,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768526721] [2024-04-03 22:29:49,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768526721] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:29:49,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:29:49,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:29:49,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579902277] [2024-04-03 22:29:49,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:29:49,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:29:49,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:49,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:29:49,617 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 57 times [2024-04-03 22:29:49,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:49,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:49,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:49,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:29:49,736 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 58 times [2024-04-03 22:29:49,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:49,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:49,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:49,842 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:49,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:29:49,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1338230799, now seen corresponding path program 8 times [2024-04-03 22:29:49,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:49,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:49,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:50,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:29:50,135 INFO L85 PathProgramCache]: Analyzing trace with hash 607860000, now seen corresponding path program 1 times [2024-04-03 22:29:50,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:50,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:50,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:29:50,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:50,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:29:50,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:29:50,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:29:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:50,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:50,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 28.866666666666667) internal successors, (433), 16 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:29:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:29:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:51,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable350,SelfDestructingSolverStorable351,SelfDestructingSolverStorable346,SelfDestructingSolverStorable347,SelfDestructingSolverStorable348,SelfDestructingSolverStorable349 [2024-04-03 22:29:51,977 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:51,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:51,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1032643019, now seen corresponding path program 1 times [2024-04-03 22:29:51,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:51,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551959047] [2024-04-03 22:29:51,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:51,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:52,306 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 305 proven. 260 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:29:52,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:52,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551959047] [2024-04-03 22:29:52,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551959047] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:29:52,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642808170] [2024-04-03 22:29:52,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:52,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:29:52,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:29:52,307 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:29:52,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Waiting until timeout for monitored process [2024-04-03 22:29:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:53,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-03 22:29:53,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:29:54,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:29:55,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:29:55,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:29:55,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:29:55,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:29:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 290 proven. 275 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-04-03 22:29:55,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:29:55,250 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_21709 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_21709) |c_t1_funThread8of12ForFork0_munge_~m#1.base|) |c_t1_funThread8of12ForFork0_munge_~m#1.offset|) 0))) is different from false [2024-04-03 22:29:55,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:29:55,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:29:55,351 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:29:55,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:29:55,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:29:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 290 proven. 35 refuted. 0 times theorem prover too weak. 155 trivial. 240 not checked. [2024-04-03 22:29:55,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642808170] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:29:55,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:29:55,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2024-04-03 22:29:55,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307811632] [2024-04-03 22:29:55,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:29:55,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-03 22:29:55,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:56,082 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:29:56,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:29:56,223 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 59 times [2024-04-03 22:29:56,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:56,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:56,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:56,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:29:56,453 INFO L85 PathProgramCache]: Analyzing trace with hash -668388577, now seen corresponding path program 60 times [2024-04-03 22:29:56,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:56,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:56,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:56,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-03 22:29:56,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=389, Unknown=1, NotChecked=40, Total=506 [2024-04-03 22:29:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:56,641 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:56,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 22.571428571428573) internal successors, (474), 21 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:56,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:56,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:56,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:56,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:56,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:56,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:56,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:56,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:56,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:56,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:56,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:56,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:29:56,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:56,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:56,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:56,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:29:56,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:56,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:56,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:29:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-03 22:29:57,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Ended with exit code 0 [2024-04-03 22:29:57,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable352,96 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable353,SelfDestructingSolverStorable354 [2024-04-03 22:29:57,421 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] === [2024-04-03 22:29:57,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:57,421 INFO L85 PathProgramCache]: Analyzing trace with hash 851045649, now seen corresponding path program 1 times [2024-04-03 22:29:57,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:57,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731284796] [2024-04-03 22:29:57,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:57,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:57,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:29:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:29:57,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:29:57,514 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:29:57,514 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 28 remaining) [2024-04-03 22:29:57,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 28 remaining) [2024-04-03 22:29:57,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 28 remaining) [2024-04-03 22:29:57,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 28 remaining) [2024-04-03 22:29:57,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 28 remaining) [2024-04-03 22:29:57,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 28 remaining) [2024-04-03 22:29:57,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 28 remaining) [2024-04-03 22:29:57,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 28 remaining) [2024-04-03 22:29:57,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 28 remaining) [2024-04-03 22:29:57,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 28 remaining) [2024-04-03 22:29:57,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 28 remaining) [2024-04-03 22:29:57,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 28 remaining) [2024-04-03 22:29:57,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 28 remaining) [2024-04-03 22:29:57,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 28 remaining) [2024-04-03 22:29:57,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable355 [2024-04-03 22:29:57,517 INFO L445 BasicCegarLoop]: Path program histogram: [60, 8, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-03 22:29:57,517 WARN L233 ceAbstractionStarter]: 12 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:29:57,518 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 13 thread instances. [2024-04-03 22:29:57,719 INFO L144 ThreadInstanceAdder]: Constructed 52 joinOtherThreadTransitions. [2024-04-03 22:29:57,726 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:29:57,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:29:57,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:29:57,727 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:29:57,730 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:29:57,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:57,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:29:57,730 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:29:57,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-04-03 22:29:57,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (97)] Waiting until timeout for monitored process [2024-04-03 22:29:57,783 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:29:57,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:57,783 INFO L85 PathProgramCache]: Analyzing trace with hash 692772183, now seen corresponding path program 1 times [2024-04-03 22:29:57,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:57,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806601698] [2024-04-03 22:29:57,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:57,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2024-04-03 22:29:57,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:57,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806601698] [2024-04-03 22:29:57,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806601698] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:29:57,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:29:57,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:29:57,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28824823] [2024-04-03 22:29:57,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:29:57,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:29:57,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:57,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:29:57,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:29:57,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:57,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:57,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:57,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:58,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:58,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable356 [2024-04-03 22:29:58,352 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:29:58,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:58,352 INFO L85 PathProgramCache]: Analyzing trace with hash -716715931, now seen corresponding path program 1 times [2024-04-03 22:29:58,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:58,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215027121] [2024-04-03 22:29:58,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:58,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:58,680 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2024-04-03 22:29:58,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:58,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215027121] [2024-04-03 22:29:58,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215027121] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:29:58,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:29:58,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:29:58,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106012427] [2024-04-03 22:29:58,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:29:58,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:29:58,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:58,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:29:58,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:29:58,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:58,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:58,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 61.857142857142854) internal successors, (433), 7 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:58,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:58,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:59,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:59,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:59,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable357 [2024-04-03 22:29:59,267 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:29:59,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:29:59,268 INFO L85 PathProgramCache]: Analyzing trace with hash 565360603, now seen corresponding path program 2 times [2024-04-03 22:29:59,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:29:59,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356920893] [2024-04-03 22:29:59,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:29:59,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:29:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:29:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2024-04-03 22:29:59,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:29:59,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356920893] [2024-04-03 22:29:59,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356920893] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:29:59,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:29:59,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:29:59,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569097223] [2024-04-03 22:29:59,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:29:59,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:29:59,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:29:59,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:29:59,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:29:59,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:59,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:29:59,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 61.857142857142854) internal successors, (433), 7 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:29:59,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:29:59,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:29:59,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:00,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:00,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:00,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:00,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable358 [2024-04-03 22:30:00,343 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:30:00,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:30:00,344 INFO L85 PathProgramCache]: Analyzing trace with hash -793135373, now seen corresponding path program 3 times [2024-04-03 22:30:00,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:30:00,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214727606] [2024-04-03 22:30:00,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:30:00,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:30:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:30:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 335 proven. 5 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2024-04-03 22:30:00,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:30:00,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214727606] [2024-04-03 22:30:00,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214727606] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:30:00,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881761344] [2024-04-03 22:30:00,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 22:30:00,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:30:00,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:30:00,659 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:30:00,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Waiting until timeout for monitored process [2024-04-03 22:30:02,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-04-03 22:30:02,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:30:02,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 98 conjunts are in the unsatisfiable core [2024-04-03 22:30:02,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:30:03,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:30:03,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:30:03,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:30:03,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:30:03,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:30:03,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:30:03,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:30:03,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:30:03,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:30:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:30:03,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:30:03,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:30:03,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:30:03,731 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-03 22:30:03,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 11 [2024-04-03 22:30:05,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:30:05,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:30:05,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:30:05,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:30:05,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:30:05,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:30:05,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:30:05,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:30:05,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:30:05,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:30:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 625 proven. 70 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-04-03 22:30:05,888 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:30:06,224 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_22518 (Array Int Int)) (v_ArrVal_22521 (Array Int Int)) (v_ArrVal_22522 (Array Int Int))) (let ((.cse0 (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_22518) |c_~#mutex1~0.base|))) (or (not (= (select .cse0 |c_~#mutex1~0.offset|) 0)) (not (= (select (select (store (store (store |c_#pthreadsMutex| |c_~#mutex1~0.base| (store .cse0 |c_~#mutex1~0.offset| 1)) |c_~#__global_lock~0.base| v_ArrVal_22521) |c_t1_funThread9of13ForFork0_munge_~m#1.base| v_ArrVal_22522) |c_~#mutex1~0.base|) |c_~#mutex1~0.offset|) 0))))) is different from false [2024-04-03 22:30:06,274 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_22518 (Array Int Int)) (v_ArrVal_22516 (Array Int Int)) (v_ArrVal_22521 (Array Int Int)) (v_ArrVal_22522 (Array Int Int))) (let ((.cse1 (store |c_#pthreadsMutex| |c_t1_funThread8of13ForFork0_munge_~m#1.base| v_ArrVal_22516))) (let ((.cse0 (select (store .cse1 |c_~#__global_lock~0.base| v_ArrVal_22518) |c_~#mutex1~0.base|))) (or (not (= (select .cse0 |c_~#mutex1~0.offset|) 0)) (not (= (select (select (store (store (store .cse1 |c_~#mutex1~0.base| (store .cse0 |c_~#mutex1~0.offset| 1)) |c_~#__global_lock~0.base| v_ArrVal_22521) |c_t1_funThread9of13ForFork0_munge_~m#1.base| v_ArrVal_22522) |c_~#mutex1~0.base|) |c_~#mutex1~0.offset|) 0)))))) is different from false [2024-04-03 22:30:06,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:30:06,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 145 treesize of output 105 [2024-04-03 22:30:06,979 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:30:06,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 669 treesize of output 672 [2024-04-03 22:30:06,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2024-04-03 22:30:06,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2024-04-03 22:30:07,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:30:07,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:30:07,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:30:07,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:30:07,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:30:07,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:30:07,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:30:07,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:30:07,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:30:07,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:30:07,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:30:07,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-03 22:30:08,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:30:08,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:30:08,855 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:30:08,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:30:08,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:30:08,886 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:30:08,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:30:08,887 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-03 22:30:08,895 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-04-03 22:30:08,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2024-04-03 22:30:09,175 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 360 proven. 355 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-04-03 22:30:09,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881761344] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:30:09,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:30:09,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 20, 32] total 55 [2024-04-03 22:30:09,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447135135] [2024-04-03 22:30:09,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:30:09,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-04-03 22:30:09,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:30:09,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-04-03 22:30:09,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=2377, Unknown=38, NotChecked=206, Total=2970 [2024-04-03 22:30:09,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:09,464 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:30:09,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 23.181818181818183) internal successors, (1275), 55 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:30:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-03 22:30:13,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Ended with exit code 0 [2024-04-03 22:30:14,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable359,98 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:30:14,027 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:30:14,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:30:14,028 INFO L85 PathProgramCache]: Analyzing trace with hash 702580883, now seen corresponding path program 1 times [2024-04-03 22:30:14,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:30:14,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463381105] [2024-04-03 22:30:14,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:30:14,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:30:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:30:14,384 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-04-03 22:30:14,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:30:14,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463381105] [2024-04-03 22:30:14,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463381105] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:30:14,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:30:14,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:30:14,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884454785] [2024-04-03 22:30:14,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:30:14,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:30:14,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:30:14,472 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:30:14,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:30:14,586 INFO L85 PathProgramCache]: Analyzing trace with hash 782918715, now seen corresponding path program 1 times [2024-04-03 22:30:14,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:30:14,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:30:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:30:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:30:14,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:30:14,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:30:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:30:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:30:15,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:30:15,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:30:15,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:15,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:30:15,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 34.53333333333333) internal successors, (518), 16 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:30:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-03 22:30:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-03 22:30:17,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:30:17,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable360,SelfDestructingSolverStorable361,SelfDestructingSolverStorable362 [2024-04-03 22:30:17,617 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:30:17,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:30:17,617 INFO L85 PathProgramCache]: Analyzing trace with hash -122796477, now seen corresponding path program 1 times [2024-04-03 22:30:17,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:30:17,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953403890] [2024-04-03 22:30:17,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:30:17,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:30:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:30:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 415 proven. 10 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-04-03 22:30:17,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:30:17,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953403890] [2024-04-03 22:30:17,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953403890] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:30:17,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517866861] [2024-04-03 22:30:17,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:30:17,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:30:17,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:30:17,966 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:30:17,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (99)] Waiting until timeout for monitored process [2024-04-03 22:30:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:30:19,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:30:19,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:30:20,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:30:20,056 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 410 proven. 15 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-04-03 22:30:20,056 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:30:20,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:30:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 415 proven. 10 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-04-03 22:30:20,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517866861] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:30:20,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:30:20,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:30:20,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415581383] [2024-04-03 22:30:20,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:30:20,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:30:20,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:30:20,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:30:20,387 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 1 times [2024-04-03 22:30:20,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:30:20,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:30:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:30:20,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:30:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:30:20,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:30:20,643 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 2 times [2024-04-03 22:30:20,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:30:20,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:30:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:30:20,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:30:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:30:21,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:30:21,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:30:21,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:21,033 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:30:21,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 37.92857142857143) internal successors, (531), 14 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:30:21,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:21,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:21,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:21,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-03 22:30:21,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:30:21,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-03 22:30:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:30:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:30:22,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (99)] Ended with exit code 0 [2024-04-03 22:30:22,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable363,99 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable364,SelfDestructingSolverStorable365 [2024-04-03 22:30:22,367 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:30:22,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:30:22,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1141126777, now seen corresponding path program 2 times [2024-04-03 22:30:22,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:30:22,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593936700] [2024-04-03 22:30:22,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:30:22,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:30:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:30:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-03 22:30:22,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:30:22,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593936700] [2024-04-03 22:30:22,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593936700] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:30:22,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:30:22,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:30:22,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327544443] [2024-04-03 22:30:22,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:30:22,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:30:22,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:30:22,808 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:30:22,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:30:22,908 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 3 times [2024-04-03 22:30:22,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:30:22,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:30:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:30:22,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:30:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:30:23,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:30:23,094 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 4 times [2024-04-03 22:30:23,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:30:23,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:30:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:30:23,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:30:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:30:23,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:30:23,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:30:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:23,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:30:23,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 62.57142857142857) internal successors, (438), 7 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:30:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:30:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-03 22:30:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:30:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:30:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:30:26,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:30:28,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:30:30,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:30:32,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:30:37,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:30:39,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:30:45,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:30:54,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:30:56,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:30:59,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:31:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-03 22:31:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:31:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:02,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:02,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable368,SelfDestructingSolverStorable366,SelfDestructingSolverStorable367 [2024-04-03 22:31:02,145 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:31:02,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:31:02,145 INFO L85 PathProgramCache]: Analyzing trace with hash 65312815, now seen corresponding path program 4 times [2024-04-03 22:31:02,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:31:02,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336123264] [2024-04-03 22:31:02,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:02,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 605 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-03 22:31:02,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:31:02,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336123264] [2024-04-03 22:31:02,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336123264] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:31:02,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:31:02,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:31:02,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768124126] [2024-04-03 22:31:02,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:31:02,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:31:02,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:31:02,667 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:02,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:31:02,732 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 5 times [2024-04-03 22:31:02,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:02,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:02,846 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:02,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:31:02,928 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 6 times [2024-04-03 22:31:02,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:02,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:02,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:03,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:31:03,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:31:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:03,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:31:03,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.142857142857146) internal successors, (442), 7 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:31:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-03 22:31:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:31:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-03 22:31:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:31:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:05,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable371,SelfDestructingSolverStorable370,SelfDestructingSolverStorable369 [2024-04-03 22:31:05,092 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:31:05,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:31:05,092 INFO L85 PathProgramCache]: Analyzing trace with hash 941169691, now seen corresponding path program 5 times [2024-04-03 22:31:05,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:31:05,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214952281] [2024-04-03 22:31:05,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:05,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 70 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-04-03 22:31:05,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:31:05,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214952281] [2024-04-03 22:31:05,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214952281] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:31:05,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542885798] [2024-04-03 22:31:05,449 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-03 22:31:05,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:31:05,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:31:05,450 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:31:05,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Waiting until timeout for monitored process [2024-04-03 22:31:06,917 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-03 22:31:06,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:31:06,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-03 22:31:06,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:31:07,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:31:07,284 INFO L349 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2024-04-03 22:31:07,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 30 [2024-04-03 22:31:07,365 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-04-03 22:31:07,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 21 [2024-04-03 22:31:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 535 proven. 85 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:31:07,425 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:31:07,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:31:07,708 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 535 proven. 85 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:31:07,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542885798] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:31:07,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:31:07,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 8] total 18 [2024-04-03 22:31:07,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842267034] [2024-04-03 22:31:07,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:31:07,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:31:07,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:31:07,815 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:07,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:31:08,018 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 7 times [2024-04-03 22:31:08,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:08,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:08,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:08,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:31:08,408 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 8 times [2024-04-03 22:31:08,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:08,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:08,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:09,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:31:09,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:31:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:09,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:31:09,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 35.111111111111114) internal successors, (632), 18 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:31:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-03 22:31:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:31:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-03 22:31:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:11,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:11,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Forceful destruction successful, exit code 0 [2024-04-03 22:31:11,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable372,SelfDestructingSolverStorable373,100 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable374 [2024-04-03 22:31:11,840 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:31:11,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:31:11,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1413204586, now seen corresponding path program 1 times [2024-04-03 22:31:11,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:31:11,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145868873] [2024-04-03 22:31:11,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:11,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 45 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:31:12,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:31:12,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145868873] [2024-04-03 22:31:12,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145868873] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:31:12,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475511146] [2024-04-03 22:31:12,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:12,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:31:12,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:31:12,163 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:31:12,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Waiting until timeout for monitored process [2024-04-03 22:31:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:13,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:31:13,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:31:14,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:31:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 465 proven. 155 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:31:14,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:31:14,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:31:14,945 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 45 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:31:14,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475511146] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:31:14,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:31:14,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:31:14,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76411560] [2024-04-03 22:31:14,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:31:14,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:31:14,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:31:15,047 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:15,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:31:15,103 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 9 times [2024-04-03 22:31:15,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:15,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:15,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:15,230 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:15,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:31:15,276 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 10 times [2024-04-03 22:31:15,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:15,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:15,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:16,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:31:16,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-04-03 22:31:16,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:16,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:31:16,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 40.92857142857143) internal successors, (573), 14 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:31:16,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:16,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:16,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:16,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-03 22:31:16,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:16,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:16,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:16,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:16,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:16,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:17,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:17,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:17,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:17,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-03 22:31:17,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:17,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:17,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:17,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:17,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:17,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:17,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Ended with exit code 0 [2024-04-03 22:31:17,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable375,101 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable376,SelfDestructingSolverStorable377 [2024-04-03 22:31:17,256 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:31:17,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:31:17,256 INFO L85 PathProgramCache]: Analyzing trace with hash -529579830, now seen corresponding path program 1 times [2024-04-03 22:31:17,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:31:17,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23357663] [2024-04-03 22:31:17,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:17,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:17,643 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 75 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-03 22:31:17,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:31:17,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23357663] [2024-04-03 22:31:17,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23357663] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:31:17,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377768331] [2024-04-03 22:31:17,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:17,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:31:17,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:31:17,645 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:31:17,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (102)] Waiting until timeout for monitored process [2024-04-03 22:31:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:19,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:31:19,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:31:20,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:31:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 310 proven. 290 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:31:20,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:31:20,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:31:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 535 proven. 65 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:31:20,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377768331] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:31:20,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:31:20,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:31:20,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337852626] [2024-04-03 22:31:20,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:31:20,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:31:20,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:31:21,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:31:21,140 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 11 times [2024-04-03 22:31:21,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:21,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:21,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:21,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:31:21,362 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 12 times [2024-04-03 22:31:21,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:21,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:21,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:22,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:31:22,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:31:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:22,210 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:31:22,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 44.22222222222222) internal successors, (796), 18 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:31:22,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:22,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:22,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:22,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-03 22:31:22,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-03 22:31:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:26,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (102)] Ended with exit code 0 [2024-04-03 22:31:26,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable380,SelfDestructingSolverStorable379,102 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable378 [2024-04-03 22:31:26,495 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:31:26,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:31:26,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1434757674, now seen corresponding path program 1 times [2024-04-03 22:31:26,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:31:26,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335915474] [2024-04-03 22:31:26,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:26,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 60 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-04-03 22:31:26,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:31:26,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335915474] [2024-04-03 22:31:26,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335915474] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:31:26,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327246384] [2024-04-03 22:31:26,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:26,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:31:26,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:31:26,809 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:31:26,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (103)] Waiting until timeout for monitored process [2024-04-03 22:31:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:28,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:31:28,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:31:29,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:31:29,254 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 540 proven. 95 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-04-03 22:31:29,254 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:31:29,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:31:29,724 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 60 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-04-03 22:31:29,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327246384] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:31:29,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:31:29,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:31:29,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396320011] [2024-04-03 22:31:29,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:31:29,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:31:29,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:31:29,849 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:29,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:31:29,985 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 13 times [2024-04-03 22:31:29,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:29,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:30,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:30,124 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:30,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:31:30,186 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 14 times [2024-04-03 22:31:30,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:30,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:30,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:30,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:31:30,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:31:30,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:30,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:31:30,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 37.42857142857143) internal successors, (524), 14 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:31:30,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:30,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:30,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:30,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-03 22:31:30,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:30,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:30,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:30,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:30,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:30,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:30,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:30,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-03 22:31:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:31,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (103)] Forceful destruction successful, exit code 0 [2024-04-03 22:31:32,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 103 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable382,SelfDestructingSolverStorable383,SelfDestructingSolverStorable381 [2024-04-03 22:31:32,172 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:31:32,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:31:32,172 INFO L85 PathProgramCache]: Analyzing trace with hash 891703056, now seen corresponding path program 1 times [2024-04-03 22:31:32,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:31:32,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029090503] [2024-04-03 22:31:32,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:32,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:31:32,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:31:32,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029090503] [2024-04-03 22:31:32,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029090503] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:31:32,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:31:32,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:31:32,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828291125] [2024-04-03 22:31:32,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:31:32,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:31:32,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:31:32,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:31:32,733 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 15 times [2024-04-03 22:31:32,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:32,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:32,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:32,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:31:32,921 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 16 times [2024-04-03 22:31:32,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:32,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:32,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:33,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:31:33,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:31:33,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:33,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:31:33,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 51.0) internal successors, (357), 7 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:31:33,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:33,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:33,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:33,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-03 22:31:33,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:33,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:33,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:33,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:33,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:33,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:33,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:33,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:33,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:31:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:34,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable384,SelfDestructingSolverStorable385,SelfDestructingSolverStorable386 [2024-04-03 22:31:34,658 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:31:34,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:31:34,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1490263182, now seen corresponding path program 1 times [2024-04-03 22:31:34,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:31:34,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82815587] [2024-04-03 22:31:34,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:34,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:34,990 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 645 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-04-03 22:31:34,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:31:34,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82815587] [2024-04-03 22:31:34,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82815587] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:31:34,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:31:34,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:31:34,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73994896] [2024-04-03 22:31:34,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:31:34,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:31:34,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:31:35,072 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:35,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:31:35,157 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 17 times [2024-04-03 22:31:35,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:35,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:35,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:35,272 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:35,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:31:35,347 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 18 times [2024-04-03 22:31:35,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:35,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:35,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:35,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:31:35,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:31:35,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:35,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:31:35,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 49.42857142857143) internal successors, (346), 7 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:35,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:31:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:36,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:36,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:36,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable387,SelfDestructingSolverStorable388,SelfDestructingSolverStorable389 [2024-04-03 22:31:36,497 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:31:36,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:31:36,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1610989826, now seen corresponding path program 1 times [2024-04-03 22:31:36,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:31:36,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782307861] [2024-04-03 22:31:36,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:36,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:36,870 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 105 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:31:36,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:31:36,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782307861] [2024-04-03 22:31:36,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782307861] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:31:36,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809556373] [2024-04-03 22:31:36,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:36,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:31:36,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:31:36,872 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:31:36,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (104)] Waiting until timeout for monitored process [2024-04-03 22:31:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:38,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:31:38,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:31:39,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:31:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 455 proven. 225 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:31:39,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:31:39,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:31:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 105 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-03 22:31:40,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809556373] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:31:40,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:31:40,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:31:40,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560828933] [2024-04-03 22:31:40,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:31:40,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:31:40,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:31:40,210 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:40,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:31:40,274 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 19 times [2024-04-03 22:31:40,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:40,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:40,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:40,438 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:40,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:31:40,582 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 20 times [2024-04-03 22:31:40,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:40,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:40,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:41,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:31:41,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:31:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:41,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:31:41,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 37.142857142857146) internal successors, (520), 14 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:41,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:31:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:42,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (104)] Forceful destruction successful, exit code 0 [2024-04-03 22:31:42,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable390,SelfDestructingSolverStorable391,SelfDestructingSolverStorable392,104 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:31:42,248 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:31:42,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:31:42,248 INFO L85 PathProgramCache]: Analyzing trace with hash -341193980, now seen corresponding path program 1 times [2024-04-03 22:31:42,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:31:42,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100926686] [2024-04-03 22:31:42,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:42,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:42,621 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 75 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-03 22:31:42,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:31:42,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100926686] [2024-04-03 22:31:42,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100926686] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:31:42,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353676108] [2024-04-03 22:31:42,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:42,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:31:42,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:31:42,623 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:31:42,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (105)] Waiting until timeout for monitored process [2024-04-03 22:31:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:44,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:31:44,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:31:45,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:31:45,469 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 365 proven. 290 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-04-03 22:31:45,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:31:45,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:31:45,988 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 565 proven. 90 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-04-03 22:31:45,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353676108] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:31:45,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:31:45,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:31:45,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866096400] [2024-04-03 22:31:45,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:31:45,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:31:45,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:31:46,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:31:46,157 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 21 times [2024-04-03 22:31:46,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:46,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:46,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:46,296 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:46,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:31:46,429 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 22 times [2024-04-03 22:31:46,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:46,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:46,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:47,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:31:47,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:31:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:47,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:31:47,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 38.0) internal successors, (684), 18 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:31:47,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:47,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:47,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:47,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:31:47,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:48,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:48,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:31:48,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (105)] Ended with exit code 0 [2024-04-03 22:31:48,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable393,SelfDestructingSolverStorable394,SelfDestructingSolverStorable395,105 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:31:48,653 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:31:48,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:31:48,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1140520258, now seen corresponding path program 1 times [2024-04-03 22:31:48,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:31:48,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924457330] [2024-04-03 22:31:48,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:48,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 535 proven. 65 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:31:48,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:31:48,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924457330] [2024-04-03 22:31:48,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924457330] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:31:48,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472125205] [2024-04-03 22:31:48,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:48,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:31:48,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:31:48,947 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:31:48,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Waiting until timeout for monitored process [2024-04-03 22:31:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:50,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:31:50,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:31:51,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:31:51,640 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 500 proven. 100 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:31:51,641 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:31:51,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:31:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 535 proven. 65 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:31:52,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472125205] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:31:52,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:31:52,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:31:52,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513838783] [2024-04-03 22:31:52,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:31:52,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:31:52,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:31:52,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:31:52,231 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 23 times [2024-04-03 22:31:52,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:52,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:52,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:52,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:31:52,568 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 24 times [2024-04-03 22:31:52,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:52,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:52,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:53,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:31:53,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:31:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:53,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:31:53,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 37.07142857142857) internal successors, (519), 14 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:31:53,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:53,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:53,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:53,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:31:53,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:53,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:53,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:53,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:53,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:53,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:53,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:53,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:53,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:53,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:53,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:53,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:31:53,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:31:53,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:53,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Ended with exit code 0 [2024-04-03 22:31:54,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 106 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable396,SelfDestructingSolverStorable397,SelfDestructingSolverStorable398 [2024-04-03 22:31:54,155 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:31:54,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:31:54,156 INFO L85 PathProgramCache]: Analyzing trace with hash 515784446, now seen corresponding path program 1 times [2024-04-03 22:31:54,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:31:54,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637088230] [2024-04-03 22:31:54,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:54,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 535 proven. 65 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:31:54,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:31:54,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637088230] [2024-04-03 22:31:54,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637088230] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:31:54,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36563788] [2024-04-03 22:31:54,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:54,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:31:54,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:31:54,457 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:31:54,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Waiting until timeout for monitored process [2024-04-03 22:31:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:31:56,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:31:56,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:31:57,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:31:57,190 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 305 proven. 210 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-04-03 22:31:57,191 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:31:57,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:31:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 475 proven. 40 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-04-03 22:31:57,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36563788] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:31:57,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:31:57,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:31:57,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530998766] [2024-04-03 22:31:57,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:31:57,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:31:57,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:31:57,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:31:57,667 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 25 times [2024-04-03 22:31:57,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:57,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:57,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:57,822 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:31:57,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:31:57,972 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 26 times [2024-04-03 22:31:57,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:31:57,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:31:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:58,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:31:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:31:58,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:31:58,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:31:58,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:58,813 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:31:58,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 40.388888888888886) internal successors, (727), 18 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:31:58,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:58,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:31:58,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:31:58,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:00,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:00,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Ended with exit code 0 [2024-04-03 22:32:00,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable401,107 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable399,SelfDestructingSolverStorable400 [2024-04-03 22:32:00,212 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:32:00,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:32:00,212 INFO L85 PathProgramCache]: Analyzing trace with hash -438246974, now seen corresponding path program 2 times [2024-04-03 22:32:00,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:32:00,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160973989] [2024-04-03 22:32:00,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:00,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2024-04-03 22:32:00,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:32:00,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160973989] [2024-04-03 22:32:00,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160973989] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:32:00,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:32:00,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:32:00,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549484755] [2024-04-03 22:32:00,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:32:00,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:32:00,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:32:00,552 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:32:00,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:32:00,592 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 27 times [2024-04-03 22:32:00,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:00,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:00,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:00,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:32:00,724 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 28 times [2024-04-03 22:32:00,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:00,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:00,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:01,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:32:01,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:32:01,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:01,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:32:01,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.714285714285715) internal successors, (313), 7 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:01,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:01,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:01,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:01,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:01,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:01,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:01,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:01,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable402,SelfDestructingSolverStorable403,SelfDestructingSolverStorable404 [2024-04-03 22:32:01,873 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:32:01,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:32:01,873 INFO L85 PathProgramCache]: Analyzing trace with hash 470454838, now seen corresponding path program 1 times [2024-04-03 22:32:01,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:32:01,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689580542] [2024-04-03 22:32:01,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:01,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:02,196 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 565 proven. 55 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:32:02,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:32:02,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689580542] [2024-04-03 22:32:02,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689580542] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:32:02,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069810194] [2024-04-03 22:32:02,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:02,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:32:02,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:32:02,201 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:32:02,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (108)] Waiting until timeout for monitored process [2024-04-03 22:32:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:03,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:32:03,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:32:04,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:32:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 520 proven. 100 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:32:04,973 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:32:04,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:32:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 565 proven. 55 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-03 22:32:05,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069810194] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:32:05,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:32:05,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:32:05,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429843064] [2024-04-03 22:32:05,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:32:05,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:32:05,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:32:05,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:32:05,675 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 29 times [2024-04-03 22:32:05,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:05,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:05,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:05,821 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:32:05,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:32:05,922 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 30 times [2024-04-03 22:32:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:05,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:05,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:06,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:32:06,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:32:06,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:06,721 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:32:06,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 37.857142857142854) internal successors, (530), 14 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:32:06,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:06,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:32:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:32:07,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (108)] Ended with exit code 0 [2024-04-03 22:32:07,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable405,108 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable406,SelfDestructingSolverStorable407 [2024-04-03 22:32:07,685 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:32:07,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:32:07,685 INFO L85 PathProgramCache]: Analyzing trace with hash 47580502, now seen corresponding path program 1 times [2024-04-03 22:32:07,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:32:07,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643851020] [2024-04-03 22:32:07,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:07,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 565 proven. 35 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:32:07,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:32:07,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643851020] [2024-04-03 22:32:07,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643851020] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:32:07,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887691580] [2024-04-03 22:32:07,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:07,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:32:07,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:32:07,974 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:32:07,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (109)] Waiting until timeout for monitored process [2024-04-03 22:32:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:09,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:32:09,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:32:11,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:32:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 225 proven. 355 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-03 22:32:11,207 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:32:11,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:32:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 515 proven. 65 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-03 22:32:11,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887691580] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:32:11,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:32:11,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:32:11,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572486631] [2024-04-03 22:32:11,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:32:11,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:32:11,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:32:12,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:32:12,162 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 31 times [2024-04-03 22:32:12,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:12,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:12,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:12,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:32:12,354 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 32 times [2024-04-03 22:32:12,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:12,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:12,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:13,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:32:13,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:32:13,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:13,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:32:13,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 41.27777777777778) internal successors, (743), 18 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:13,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:13,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:13,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:13,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:13,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:13,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:13,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:32:13,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:25,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:32:27,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-03 22:32:28,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:28,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:28,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:28,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-03 22:32:28,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:32:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:32:28,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (109)] Forceful destruction successful, exit code 0 [2024-04-03 22:32:28,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable409,109 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable408,SelfDestructingSolverStorable410 [2024-04-03 22:32:28,922 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:32:28,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:32:28,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1844031040, now seen corresponding path program 1 times [2024-04-03 22:32:28,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:32:28,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739926526] [2024-04-03 22:32:28,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:28,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:29,274 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 75 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-03 22:32:29,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:32:29,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739926526] [2024-04-03 22:32:29,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739926526] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:32:29,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083027561] [2024-04-03 22:32:29,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:29,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:32:29,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:32:29,276 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:32:29,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (110)] Waiting until timeout for monitored process [2024-04-03 22:32:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:30,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:32:30,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:32:32,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:32:32,151 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 440 proven. 210 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-03 22:32:32,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:32:32,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:32:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 75 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-03 22:32:32,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083027561] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:32:32,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:32:32,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:32:32,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918543637] [2024-04-03 22:32:32,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:32:32,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:32:32,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:32:32,637 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:32:32,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:32:32,713 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 33 times [2024-04-03 22:32:32,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:32,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:32,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:32,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:32:32,890 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 34 times [2024-04-03 22:32:32,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:32,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:32,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:33,379 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:32:33,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:32:33,496 INFO L85 PathProgramCache]: Analyzing trace with hash 363435463, now seen corresponding path program 1 times [2024-04-03 22:32:33,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:33,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:33,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:32:33,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:33,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:32:34,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-03 22:32:34,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2024-04-03 22:32:34,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:34,211 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:32:34,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 36.57142857142857) internal successors, (768), 22 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:32:34,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:32:34,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:32:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:32:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:36,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (110)] Ended with exit code 0 [2024-04-03 22:32:36,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable412,SelfDestructingSolverStorable413,SelfDestructingSolverStorable414,SelfDestructingSolverStorable415,SelfDestructingSolverStorable411 [2024-04-03 22:32:36,214 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:32:36,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:32:36,214 INFO L85 PathProgramCache]: Analyzing trace with hash 2011945924, now seen corresponding path program 1 times [2024-04-03 22:32:36,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:32:36,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847644629] [2024-04-03 22:32:36,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:36,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:36,493 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 25 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:32:36,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:32:36,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847644629] [2024-04-03 22:32:36,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847644629] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:32:36,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810267494] [2024-04-03 22:32:36,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:36,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:32:36,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:32:36,496 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:32:36,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Waiting until timeout for monitored process [2024-04-03 22:32:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:38,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:32:38,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:32:39,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:32:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 565 proven. 35 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:32:39,027 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:32:39,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:32:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 575 proven. 25 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:32:39,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810267494] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:32:39,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:32:39,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:32:39,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036674203] [2024-04-03 22:32:39,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:32:39,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:32:39,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:32:39,462 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:32:39,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:32:39,580 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 35 times [2024-04-03 22:32:39,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:39,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:39,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:39,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:32:39,771 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 36 times [2024-04-03 22:32:39,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:39,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:39,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:40,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:32:40,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:32:40,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:40,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:32:40,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 32.07142857142857) internal successors, (449), 14 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:32:40,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:40,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:40,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:40,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:32:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:40,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Ended with exit code 0 [2024-04-03 22:32:41,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable416,SelfDestructingSolverStorable417,SelfDestructingSolverStorable418,111 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:32:41,187 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:32:41,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:32:41,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1991582926, now seen corresponding path program 1 times [2024-04-03 22:32:41,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:32:41,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367887434] [2024-04-03 22:32:41,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:41,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:41,464 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-03 22:32:41,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:32:41,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367887434] [2024-04-03 22:32:41,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367887434] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:32:41,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:32:41,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:32:41,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2992079] [2024-04-03 22:32:41,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:32:41,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:32:41,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:32:41,544 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:32:41,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:32:41,694 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 37 times [2024-04-03 22:32:41,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:41,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:41,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:41,811 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:32:41,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:32:41,884 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 38 times [2024-04-03 22:32:41,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:41,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:41,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:42,023 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:32:42,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:32:42,127 INFO L85 PathProgramCache]: Analyzing trace with hash -542911507, now seen corresponding path program 1 times [2024-04-03 22:32:42,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:42,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:42,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:42,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:32:42,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-04-03 22:32:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:42,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:32:42,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 37.42857142857143) internal successors, (262), 7 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:32:42,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:42,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-03 22:32:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:51,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable419,SelfDestructingSolverStorable420,SelfDestructingSolverStorable421,SelfDestructingSolverStorable422 [2024-04-03 22:32:51,433 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:32:51,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:32:51,433 INFO L85 PathProgramCache]: Analyzing trace with hash -599446532, now seen corresponding path program 1 times [2024-04-03 22:32:51,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:32:51,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889621059] [2024-04-03 22:32:51,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:51,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 535 proven. 25 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-04-03 22:32:51,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:32:51,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889621059] [2024-04-03 22:32:51,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889621059] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:32:51,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300845708] [2024-04-03 22:32:51,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:51,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:32:51,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:32:51,675 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:32:51,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (112)] Waiting until timeout for monitored process [2024-04-03 22:32:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:53,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:32:53,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:32:54,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:32:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 250 proven. 355 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-03 22:32:54,622 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:32:54,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:32:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 475 proven. 130 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-03 22:32:55,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300845708] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:32:55,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:32:55,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:32:55,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893278462] [2024-04-03 22:32:55,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:32:55,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:32:55,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:32:55,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:32:55,357 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 39 times [2024-04-03 22:32:55,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:55,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:55,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:55,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:32:55,588 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 40 times [2024-04-03 22:32:55,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:55,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:55,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:32:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:32:56,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:32:56,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:32:56,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:56,007 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:32:56,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 34.611111111111114) internal successors, (623), 18 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:32:56,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:32:56,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:56,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:56,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:32:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-03 22:32:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:32:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:32:56,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (112)] Forceful destruction successful, exit code 0 [2024-04-03 22:32:57,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 112 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable423,SelfDestructingSolverStorable424,SelfDestructingSolverStorable425 [2024-04-03 22:32:57,132 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:32:57,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:32:57,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1539035643, now seen corresponding path program 1 times [2024-04-03 22:32:57,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:32:57,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794856899] [2024-04-03 22:32:57,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:57,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:32:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 380 proven. 10 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2024-04-03 22:32:57,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:32:57,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794856899] [2024-04-03 22:32:57,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794856899] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:32:57,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061006226] [2024-04-03 22:32:57,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:32:57,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:32:57,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:32:57,364 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:32:57,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Waiting until timeout for monitored process [2024-04-03 22:32:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:32:58,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:32:58,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:33:00,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:33:00,420 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 325 proven. 230 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-04-03 22:33:00,420 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:33:00,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:33:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 395 proven. 160 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-04-03 22:33:00,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061006226] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:33:00,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:33:00,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:33:00,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659975175] [2024-04-03 22:33:00,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:33:00,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:33:00,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:01,066 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:01,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:33:01,122 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 41 times [2024-04-03 22:33:01,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:01,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:01,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:01,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:33:01,350 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 42 times [2024-04-03 22:33:01,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:01,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:01,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:01,535 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:01,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-04-03 22:33:01,666 INFO L85 PathProgramCache]: Analyzing trace with hash -542911507, now seen corresponding path program 2 times [2024-04-03 22:33:01,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:01,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:01,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:01,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:33:01,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2024-04-03 22:33:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:01,946 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:01,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 35.0) internal successors, (630), 18 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-03 22:33:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:03,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Ended with exit code 0 [2024-04-03 22:33:03,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 113 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable427,SelfDestructingSolverStorable428,SelfDestructingSolverStorable429,SelfDestructingSolverStorable426 [2024-04-03 22:33:03,334 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:33:03,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:03,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1569850174, now seen corresponding path program 1 times [2024-04-03 22:33:03,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:03,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112126516] [2024-04-03 22:33:03,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:03,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-04-03 22:33:03,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:03,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112126516] [2024-04-03 22:33:03,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112126516] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:03,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:03,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:33:03,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671695354] [2024-04-03 22:33:03,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:03,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:33:03,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:03,618 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:03,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:33:03,665 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 43 times [2024-04-03 22:33:03,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:03,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:03,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:03,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:33:03,899 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 44 times [2024-04-03 22:33:03,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:03,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:03,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:04,009 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:04,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:33:04,081 INFO L85 PathProgramCache]: Analyzing trace with hash -542911507, now seen corresponding path program 3 times [2024-04-03 22:33:04,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:04,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:04,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:04,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:33:04,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-04-03 22:33:04,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:04,267 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:04,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-03 22:33:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:04,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable430,SelfDestructingSolverStorable431,SelfDestructingSolverStorable432,SelfDestructingSolverStorable433 [2024-04-03 22:33:04,720 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:33:04,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:04,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1761773920, now seen corresponding path program 2 times [2024-04-03 22:33:04,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:04,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508080466] [2024-04-03 22:33:04,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:04,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-03 22:33:05,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:05,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508080466] [2024-04-03 22:33:05,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508080466] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:05,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:05,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:33:05,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003438696] [2024-04-03 22:33:05,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:05,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:33:05,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:05,144 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:05,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:33:05,221 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 45 times [2024-04-03 22:33:05,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:05,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:05,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:05,337 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:05,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:33:05,415 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 46 times [2024-04-03 22:33:05,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:05,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:05,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:05,551 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:05,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:33:05,627 INFO L85 PathProgramCache]: Analyzing trace with hash -542911507, now seen corresponding path program 4 times [2024-04-03 22:33:05,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:05,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:05,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:05,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:33:05,896 INFO L85 PathProgramCache]: Analyzing trace with hash 771762772, now seen corresponding path program 1 times [2024-04-03 22:33:05,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:05,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:33:06,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:06,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:33:06,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:33:06,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:33:06,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:06,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:06,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 30.733333333333334) internal successors, (461), 16 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:06,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:06,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:08,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:08,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:08,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:08,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:08,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:08,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:08,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:08,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:08,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:08,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable438,SelfDestructingSolverStorable439,SelfDestructingSolverStorable434,SelfDestructingSolverStorable435,SelfDestructingSolverStorable436,SelfDestructingSolverStorable437 [2024-04-03 22:33:08,297 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:33:08,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:08,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1593137221, now seen corresponding path program 1 times [2024-04-03 22:33:08,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:08,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645159389] [2024-04-03 22:33:08,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:08,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:08,543 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-03 22:33:08,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:08,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645159389] [2024-04-03 22:33:08,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645159389] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:08,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:08,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:33:08,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956717626] [2024-04-03 22:33:08,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:08,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:33:08,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:08,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:33:08,627 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 47 times [2024-04-03 22:33:08,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:08,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:08,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:08,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:33:08,750 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 48 times [2024-04-03 22:33:08,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:08,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:08,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:08,890 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:08,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:33:09,009 INFO L85 PathProgramCache]: Analyzing trace with hash -542911507, now seen corresponding path program 5 times [2024-04-03 22:33:09,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:09,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:09,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:09,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:33:09,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-04-03 22:33:09,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:09,319 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:09,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.857142857142854) internal successors, (251), 7 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:09,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:09,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:09,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:09,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:09,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:09,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440,SelfDestructingSolverStorable441,SelfDestructingSolverStorable442,SelfDestructingSolverStorable443 [2024-04-03 22:33:09,881 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:33:09,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:09,881 INFO L85 PathProgramCache]: Analyzing trace with hash -704216012, now seen corresponding path program 1 times [2024-04-03 22:33:09,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:09,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118094313] [2024-04-03 22:33:09,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:09,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:10,126 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-03 22:33:10,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:10,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118094313] [2024-04-03 22:33:10,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118094313] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:10,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:10,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:33:10,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338127778] [2024-04-03 22:33:10,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:10,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:33:10,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:10,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:33:10,335 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 49 times [2024-04-03 22:33:10,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:10,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:10,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:10,426 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:10,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:33:10,472 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 50 times [2024-04-03 22:33:10,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:10,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:10,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:10,605 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:10,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-04-03 22:33:10,686 INFO L85 PathProgramCache]: Analyzing trace with hash -542911507, now seen corresponding path program 6 times [2024-04-03 22:33:10,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:10,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:10,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:10,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:33:10,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-04-03 22:33:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:10,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:10,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:10,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:10,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:10,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:10,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:10,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:10,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:10,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:10,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:10,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:10,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:10,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:11,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:11,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable445,SelfDestructingSolverStorable446,SelfDestructingSolverStorable447,SelfDestructingSolverStorable444 [2024-04-03 22:33:11,334 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:33:11,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:11,334 INFO L85 PathProgramCache]: Analyzing trace with hash -638930196, now seen corresponding path program 1 times [2024-04-03 22:33:11,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:11,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570922445] [2024-04-03 22:33:11,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:11,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-04-03 22:33:11,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:11,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570922445] [2024-04-03 22:33:11,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570922445] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:11,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:11,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:33:11,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775009341] [2024-04-03 22:33:11,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:11,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:33:11,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:11,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:33:11,651 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 51 times [2024-04-03 22:33:11,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:11,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:11,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:11,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:33:11,764 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 52 times [2024-04-03 22:33:11,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:11,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:11,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:11,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:33:11,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:33:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:11,944 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:11,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.142857142857146) internal successors, (246), 7 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:12,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable450,SelfDestructingSolverStorable449,SelfDestructingSolverStorable448 [2024-04-03 22:33:12,358 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:33:12,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:12,359 INFO L85 PathProgramCache]: Analyzing trace with hash -564473554, now seen corresponding path program 1 times [2024-04-03 22:33:12,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:12,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125900047] [2024-04-03 22:33:12,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:12,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 515 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-04-03 22:33:12,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:12,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125900047] [2024-04-03 22:33:12,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125900047] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:12,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:12,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:33:12,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523809483] [2024-04-03 22:33:12,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:12,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:33:12,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:12,736 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:12,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:33:12,767 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 53 times [2024-04-03 22:33:12,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:12,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:12,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:12,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:33:12,886 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 54 times [2024-04-03 22:33:12,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:12,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:12,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:13,024 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:13,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-04-03 22:33:13,107 INFO L85 PathProgramCache]: Analyzing trace with hash -542911507, now seen corresponding path program 7 times [2024-04-03 22:33:13,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:13,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:13,289 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:13,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:33:13,367 INFO L85 PathProgramCache]: Analyzing trace with hash -650018861, now seen corresponding path program 1 times [2024-04-03 22:33:13,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:13,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:33:13,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:13,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:33:14,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:33:14,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:33:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:14,025 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:14,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 30.0) internal successors, (450), 16 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:14,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:15,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:15,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable451,SelfDestructingSolverStorable456,SelfDestructingSolverStorable452,SelfDestructingSolverStorable453,SelfDestructingSolverStorable454,SelfDestructingSolverStorable455 [2024-04-03 22:33:15,270 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:33:15,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:15,270 INFO L85 PathProgramCache]: Analyzing trace with hash 129583140, now seen corresponding path program 1 times [2024-04-03 22:33:15,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:15,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647291601] [2024-04-03 22:33:15,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:15,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 565 proven. 35 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:33:15,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:15,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647291601] [2024-04-03 22:33:15,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647291601] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:33:15,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518329124] [2024-04-03 22:33:15,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:15,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:33:15,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:33:15,493 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:33:15,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Waiting until timeout for monitored process [2024-04-03 22:33:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:17,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:33:17,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:33:17,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:33:18,008 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 340 proven. 260 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:33:18,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:33:18,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:33:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 565 proven. 35 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-03 22:33:18,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518329124] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:33:18,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:33:18,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:33:18,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828041830] [2024-04-03 22:33:18,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:33:18,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:33:18,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:18,330 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:18,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:33:18,402 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 55 times [2024-04-03 22:33:18,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:18,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:18,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:18,600 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:18,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:33:18,671 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 56 times [2024-04-03 22:33:18,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:18,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:18,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:18,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:33:18,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:33:18,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:18,892 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:18,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 31.214285714285715) internal successors, (437), 14 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:18,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:19,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:19,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Ended with exit code 0 [2024-04-03 22:33:19,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable457,114 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable458,SelfDestructingSolverStorable459 [2024-04-03 22:33:19,487 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:33:19,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:19,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1332160870, now seen corresponding path program 1 times [2024-04-03 22:33:19,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:19,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020953879] [2024-04-03 22:33:19,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:19,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-04-03 22:33:19,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:19,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020953879] [2024-04-03 22:33:19,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020953879] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:19,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:19,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:33:19,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953574136] [2024-04-03 22:33:19,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:19,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:33:19,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:19,786 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:19,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:33:19,827 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 57 times [2024-04-03 22:33:19,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:19,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:19,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:19,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:33:19,947 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 58 times [2024-04-03 22:33:19,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:19,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:19,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:20,061 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:20,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-04-03 22:33:22,115 INFO L85 PathProgramCache]: Analyzing trace with hash -542911507, now seen corresponding path program 8 times [2024-04-03 22:33:22,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:22,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:22,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:22,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:33:22,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1923928974, now seen corresponding path program 1 times [2024-04-03 22:33:22,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:22,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:33:22,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:22,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:33:23,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:33:23,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:33:23,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:23,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:23,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 29.933333333333334) internal successors, (449), 16 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:23,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:23,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:23,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:23,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:23,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:23,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:23,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:23,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:23,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:33:23,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:23,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:24,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:24,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:24,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:24,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:33:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:24,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable460,SelfDestructingSolverStorable461,SelfDestructingSolverStorable462,SelfDestructingSolverStorable463,SelfDestructingSolverStorable464,SelfDestructingSolverStorable465 [2024-04-03 22:33:24,397 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:33:24,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:24,397 INFO L85 PathProgramCache]: Analyzing trace with hash 874202508, now seen corresponding path program 1 times [2024-04-03 22:33:24,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:24,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110091637] [2024-04-03 22:33:24,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:24,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 365 proven. 20 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-04-03 22:33:24,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:24,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110091637] [2024-04-03 22:33:24,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110091637] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:33:24,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301562265] [2024-04-03 22:33:24,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:24,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:33:24,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:33:24,711 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:33:24,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Waiting until timeout for monitored process [2024-04-03 22:33:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:26,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:33:26,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:33:27,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:33:27,317 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 365 proven. 20 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-04-03 22:33:27,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:33:27,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:33:27,502 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 365 proven. 20 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-04-03 22:33:27,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301562265] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:33:27,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:33:27,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:33:27,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233889786] [2024-04-03 22:33:27,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:33:27,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:33:27,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:27,587 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:27,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:33:27,663 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 59 times [2024-04-03 22:33:27,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:27,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:27,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:27,777 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:27,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:33:27,850 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 60 times [2024-04-03 22:33:27,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:27,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:27,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:27,988 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:27,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:33:28,063 INFO L85 PathProgramCache]: Analyzing trace with hash -542911507, now seen corresponding path program 9 times [2024-04-03 22:33:28,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:28,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:28,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:28,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:33:28,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-04-03 22:33:28,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:28,243 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:28,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 30.125) internal successors, (482), 16 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:28,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:28,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:28,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:33:28,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:33:28,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:28,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:33:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:33:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:28,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Ended with exit code 0 [2024-04-03 22:33:28,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable467,SelfDestructingSolverStorable468,SelfDestructingSolverStorable469,115 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable466 [2024-04-03 22:33:28,946 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:33:28,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:28,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1722600949, now seen corresponding path program 1 times [2024-04-03 22:33:28,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:28,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946060242] [2024-04-03 22:33:28,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:28,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 415 proven. 260 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-03 22:33:29,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:29,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946060242] [2024-04-03 22:33:29,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946060242] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:33:29,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168992024] [2024-04-03 22:33:29,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:29,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:33:29,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:33:29,308 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:33:29,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (116)] Waiting until timeout for monitored process [2024-04-03 22:33:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:30,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-03 22:33:30,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:33:32,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:33:32,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:33:32,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:33:32,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:33:32,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:33:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 400 proven. 275 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-03 22:33:32,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:33:32,511 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_29773 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_29773) |c_t1_funThread8of13ForFork0_munge_~m#1.base|) |c_t1_funThread8of13ForFork0_munge_~m#1.offset|) 0))) is different from false [2024-04-03 22:33:32,597 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:33:32,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:33:32,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:33:32,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:33:32,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:33:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 400 proven. 35 refuted. 0 times theorem prover too weak. 170 trivial. 240 not checked. [2024-04-03 22:33:33,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168992024] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:33:33,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:33:33,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2024-04-03 22:33:33,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365046893] [2024-04-03 22:33:33,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:33:33,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-03 22:33:33,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:33,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:33:33,511 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 61 times [2024-04-03 22:33:33,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:33,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:33,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:33,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:33:33,715 INFO L85 PathProgramCache]: Analyzing trace with hash 737526155, now seen corresponding path program 62 times [2024-04-03 22:33:33,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:33,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:33,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:33,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-03 22:33:33,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=389, Unknown=1, NotChecked=40, Total=506 [2024-04-03 22:33:33,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:33,911 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:33,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 23.047619047619047) internal successors, (484), 21 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:33:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 22:33:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-03 22:33:34,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (116)] Ended with exit code 0 [2024-04-03 22:33:34,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable470,SelfDestructingSolverStorable471,116 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable472 [2024-04-03 22:33:34,763 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 27 more)] === [2024-04-03 22:33:34,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:34,764 INFO L85 PathProgramCache]: Analyzing trace with hash 573386595, now seen corresponding path program 1 times [2024-04-03 22:33:34,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:34,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811170891] [2024-04-03 22:33:34,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:34,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:34,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:34,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-03 22:33:34,875 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-03 22:33:34,875 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 30 remaining) [2024-04-03 22:33:34,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 30 remaining) [2024-04-03 22:33:34,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 30 remaining) [2024-04-03 22:33:34,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 30 remaining) [2024-04-03 22:33:34,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 30 remaining) [2024-04-03 22:33:34,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 30 remaining) [2024-04-03 22:33:34,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 30 remaining) [2024-04-03 22:33:34,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 30 remaining) [2024-04-03 22:33:34,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 30 remaining) [2024-04-03 22:33:34,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 30 remaining) [2024-04-03 22:33:34,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 30 remaining) [2024-04-03 22:33:34,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 30 remaining) [2024-04-03 22:33:34,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 30 remaining) [2024-04-03 22:33:34,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 30 remaining) [2024-04-03 22:33:34,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 30 remaining) [2024-04-03 22:33:34,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable473 [2024-04-03 22:33:34,880 INFO L445 BasicCegarLoop]: Path program histogram: [62, 9, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-03 22:33:34,880 WARN L233 ceAbstractionStarter]: 13 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-03 22:33:34,880 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 14 thread instances. [2024-04-03 22:33:34,973 INFO L144 ThreadInstanceAdder]: Constructed 56 joinOtherThreadTransitions. [2024-04-03 22:33:34,981 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 22:33:34,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 22:33:34,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:33:34,984 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 22:33:35,010 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 22:33:35,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:35,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 22:33:35,010 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c1f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 22:33:35,010 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-04-03 22:33:35,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (117)] Waiting until timeout for monitored process [2024-04-03 22:33:35,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:33:35,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:35,066 INFO L85 PathProgramCache]: Analyzing trace with hash -317342841, now seen corresponding path program 1 times [2024-04-03 22:33:35,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:35,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723668612] [2024-04-03 22:33:35,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:35,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked. [2024-04-03 22:33:35,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:35,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723668612] [2024-04-03 22:33:35,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723668612] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:35,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:35,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 22:33:35,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678691825] [2024-04-03 22:33:35,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:35,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 22:33:35,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:35,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 22:33:35,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 22:33:35,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:35,230 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:35,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 123.5) internal successors, (247), 2 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:35,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:35,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:35,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable474 [2024-04-03 22:33:35,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:33:35,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:35,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2063400147, now seen corresponding path program 1 times [2024-04-03 22:33:35,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:35,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310578460] [2024-04-03 22:33:35,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:35,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:36,154 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-04-03 22:33:36,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:36,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310578460] [2024-04-03 22:33:36,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310578460] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:36,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:36,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:33:36,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100278014] [2024-04-03 22:33:36,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:36,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:33:36,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:36,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:33:36,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:33:36,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:36,325 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:36,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 67.14285714285714) internal successors, (470), 7 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:36,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:36,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable475 [2024-04-03 22:33:36,803 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:33:36,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:36,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1416975441, now seen corresponding path program 2 times [2024-04-03 22:33:36,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:36,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972909] [2024-04-03 22:33:36,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:36,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2024-04-03 22:33:37,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:37,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972909] [2024-04-03 22:33:37,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972909] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:37,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:37,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:33:37,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027025394] [2024-04-03 22:33:37,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:37,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:33:37,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:37,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:33:37,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-03 22:33:37,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:37,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:37,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 67.14285714285714) internal successors, (470), 7 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:37,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:37,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:37,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:37,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:37,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable476 [2024-04-03 22:33:37,920 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:33:37,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:37,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1279934553, now seen corresponding path program 3 times [2024-04-03 22:33:37,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:37,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766331131] [2024-04-03 22:33:37,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:37,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:38,368 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 365 proven. 5 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-04-03 22:33:38,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:38,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766331131] [2024-04-03 22:33:38,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766331131] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:33:38,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981573816] [2024-04-03 22:33:38,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 22:33:38,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:33:38,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:33:38,370 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:33:38,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (118)] Waiting until timeout for monitored process [2024-04-03 22:33:40,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-03 22:33:40,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:33:40,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-03 22:33:40,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:33:42,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:33:42,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:33:42,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:33:42,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:33:42,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:33:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 195 proven. 65 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2024-04-03 22:33:42,443 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:33:42,505 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_30628 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_30628) |c_~#mutex1~0.base|) |c_~#mutex1~0.offset|) 0))) is different from false [2024-04-03 22:33:42,526 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:33:42,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:33:42,532 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:33:42,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:33:42,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:33:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 135 proven. 65 refuted. 0 times theorem prover too weak. 720 trivial. 60 not checked. [2024-04-03 22:33:43,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981573816] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:33:43,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:33:43,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 23 [2024-04-03 22:33:43,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393976776] [2024-04-03 22:33:43,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:33:43,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-03 22:33:43,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:43,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:33:43,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=396, Unknown=1, NotChecked=40, Total=506 [2024-04-03 22:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:43,549 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:43,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 58.0) internal successors, (1334), 23 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:44,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:44,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:44,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:44,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:44,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (118)] Forceful destruction successful, exit code 0 [2024-04-03 22:33:45,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 118 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable477 [2024-04-03 22:33:45,168 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:33:45,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:45,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1428350196, now seen corresponding path program 1 times [2024-04-03 22:33:45,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:45,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481686260] [2024-04-03 22:33:45,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:45,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:45,626 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2024-04-03 22:33:45,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:45,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481686260] [2024-04-03 22:33:45,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481686260] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:45,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:45,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:33:45,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880081089] [2024-04-03 22:33:45,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:45,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:33:45,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:45,724 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:45,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-04-03 22:33:45,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1175034747, now seen corresponding path program 1 times [2024-04-03 22:33:45,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:45,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:33:45,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:45,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:33:46,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:33:46,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:33:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:46,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:46,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 37.266666666666666) internal successors, (559), 16 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:47,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:47,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:47,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:47,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:47,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:33:47,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable480,SelfDestructingSolverStorable478,SelfDestructingSolverStorable479 [2024-04-03 22:33:47,756 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:33:47,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:47,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1276910336, now seen corresponding path program 2 times [2024-04-03 22:33:47,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:47,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938305869] [2024-04-03 22:33:47,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:47,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 455 proven. 10 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2024-04-03 22:33:48,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:48,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938305869] [2024-04-03 22:33:48,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938305869] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:33:48,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11872638] [2024-04-03 22:33:48,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 22:33:48,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:33:48,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:33:48,109 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:33:48,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (119)] Waiting until timeout for monitored process [2024-04-03 22:33:49,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 22:33:49,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:33:49,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:33:49,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:33:50,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:33:50,414 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 450 proven. 15 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2024-04-03 22:33:50,415 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:33:50,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:33:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 455 proven. 10 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2024-04-03 22:33:50,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11872638] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:33:50,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:33:50,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:33:50,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743059619] [2024-04-03 22:33:50,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:33:50,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:33:50,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:50,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:33:50,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 1 times [2024-04-03 22:33:50,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:50,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:50,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:50,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:33:50,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 2 times [2024-04-03 22:33:50,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:50,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:51,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:51,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:33:51,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-04-03 22:33:51,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:51,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:51,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 40.92857142857143) internal successors, (573), 14 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:51,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:51,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:33:51,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:33:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:52,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (119)] Ended with exit code 0 [2024-04-03 22:33:52,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable481,SelfDestructingSolverStorable482,SelfDestructingSolverStorable483,119 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:33:52,641 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:33:52,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:52,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1868477616, now seen corresponding path program 3 times [2024-04-03 22:33:52,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:52,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070685914] [2024-04-03 22:33:52,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:52,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-04-03 22:33:53,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:53,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070685914] [2024-04-03 22:33:53,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070685914] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:53,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:53,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:33:53,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107421441] [2024-04-03 22:33:53,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:53,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:33:53,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:53,147 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:53,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:33:53,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 3 times [2024-04-03 22:33:53,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:53,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:53,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:53,351 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:53,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:33:53,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 4 times [2024-04-03 22:33:53,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:53,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:53,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:53,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:33:53,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:33:53,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:53,852 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:53,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 68.57142857142857) internal successors, (480), 7 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:53,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:53,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:53,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:53,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:53,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:33:53,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:53,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:54,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:54,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:54,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:54,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:54,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:33:54,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:54,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:54,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable484,SelfDestructingSolverStorable485,SelfDestructingSolverStorable486 [2024-04-03 22:33:54,499 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:33:54,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:54,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1130756012, now seen corresponding path program 4 times [2024-04-03 22:33:54,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:54,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880234454] [2024-04-03 22:33:54,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:54,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 655 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-04-03 22:33:54,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:54,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880234454] [2024-04-03 22:33:54,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880234454] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:33:54,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:33:54,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:33:54,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142893343] [2024-04-03 22:33:54,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:33:54,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:33:54,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:54,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:33:55,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 5 times [2024-04-03 22:33:55,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:55,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:55,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:55,158 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:33:55,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:33:55,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 6 times [2024-04-03 22:33:55,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:55,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:55,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:55,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:33:55,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:33:55,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:55,691 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:33:55,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 68.57142857142857) internal successors, (480), 7 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:33:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:33:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:56,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:33:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:33:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:33:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:33:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:33:56,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable489,SelfDestructingSolverStorable487,SelfDestructingSolverStorable488 [2024-04-03 22:33:56,405 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:33:56,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:33:56,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1683853472, now seen corresponding path program 5 times [2024-04-03 22:33:56,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:33:56,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927325718] [2024-04-03 22:33:56,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:56,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:33:56,839 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 645 proven. 30 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-04-03 22:33:56,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:33:56,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927325718] [2024-04-03 22:33:56,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927325718] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:33:56,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584893093] [2024-04-03 22:33:56,840 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-03 22:33:56,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:33:56,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:33:56,841 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:33:56,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (120)] Waiting until timeout for monitored process [2024-04-03 22:33:58,638 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-03 22:33:58,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:33:58,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:33:58,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:33:58,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:33:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 645 proven. 30 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-04-03 22:33:58,917 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:33:58,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:33:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 645 proven. 30 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-04-03 22:33:59,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584893093] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:33:59,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:33:59,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2024-04-03 22:33:59,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014517146] [2024-04-03 22:33:59,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:33:59,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-03 22:33:59,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:33:59,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:33:59,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 7 times [2024-04-03 22:33:59,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:59,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:59,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:59,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:33:59,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 8 times [2024-04-03 22:33:59,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:33:59,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:33:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:33:59,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:33:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:00,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-03 22:34:00,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-04-03 22:34:00,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:00,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:00,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 46.54545454545455) internal successors, (512), 11 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:00,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:00,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:00,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:00,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:00,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:34:00,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:00,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:00,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:00,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:34:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:00,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:00,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (120)] Forceful destruction successful, exit code 0 [2024-04-03 22:34:01,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 120 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable492,SelfDestructingSolverStorable490,SelfDestructingSolverStorable491 [2024-04-03 22:34:01,116 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:34:01,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:34:01,117 INFO L85 PathProgramCache]: Analyzing trace with hash -714517142, now seen corresponding path program 6 times [2024-04-03 22:34:01,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:34:01,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890992403] [2024-04-03 22:34:01,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:01,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 645 proven. 15 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-03 22:34:01,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:34:01,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890992403] [2024-04-03 22:34:01,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890992403] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:34:01,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853326617] [2024-04-03 22:34:01,564 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-03 22:34:01,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:34:01,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:34:01,565 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:34:01,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (121)] Waiting until timeout for monitored process [2024-04-03 22:34:04,867 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-04-03 22:34:04,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:34:04,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 35 conjunts are in the unsatisfiable core [2024-04-03 22:34:04,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:34:05,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:34:05,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:34:05,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:34:05,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:34:05,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:34:06,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:34:06,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:34:06,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:34:06,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:34:06,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:34:06,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:34:06,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:34:06,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:34:06,213 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 385 proven. 100 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-04-03 22:34:06,213 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:34:06,355 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:34:06,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:34:06,361 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:34:06,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:34:06,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:34:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 385 proven. 100 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-04-03 22:34:06,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853326617] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:34:06,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:34:06,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 10] total 24 [2024-04-03 22:34:06,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457301672] [2024-04-03 22:34:06,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:34:06,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-03 22:34:06,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:34:06,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:34:06,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 9 times [2024-04-03 22:34:06,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:06,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:06,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:07,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:34:07,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 10 times [2024-04-03 22:34:07,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:07,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:07,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:08,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-03 22:34:08,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=563, Unknown=5, NotChecked=0, Total=650 [2024-04-03 22:34:08,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:08,120 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:08,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 39.833333333333336) internal successors, (956), 24 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:08,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:08,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:08,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:08,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:08,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 22:34:08,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:08,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:08,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:08,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:08,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:10,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:10,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:10,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:10,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:10,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:10,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:34:10,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (121)] Forceful destruction successful, exit code 0 [2024-04-03 22:34:10,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable493,SelfDestructingSolverStorable494,SelfDestructingSolverStorable495,121 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:34:10,448 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:34:10,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:34:10,449 INFO L85 PathProgramCache]: Analyzing trace with hash 227233745, now seen corresponding path program 1 times [2024-04-03 22:34:10,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:34:10,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655624749] [2024-04-03 22:34:10,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:10,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:10,860 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 640 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-04-03 22:34:10,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:34:10,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655624749] [2024-04-03 22:34:10,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655624749] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:34:10,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:34:10,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:34:10,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127192837] [2024-04-03 22:34:10,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:34:10,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:34:10,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:34:10,923 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:10,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:34:10,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 11 times [2024-04-03 22:34:10,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:10,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:11,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:11,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:34:11,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 12 times [2024-04-03 22:34:11,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:11,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:11,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:11,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:34:11,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-03 22:34:11,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:11,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:11,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.57142857142857) internal successors, (424), 7 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:11,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:11,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:11,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:11,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:11,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:11,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:11,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:11,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:11,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:11,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 22:34:11,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 22:34:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:12,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable496,SelfDestructingSolverStorable497,SelfDestructingSolverStorable498 [2024-04-03 22:34:12,560 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:34:12,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:34:12,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1408720925, now seen corresponding path program 1 times [2024-04-03 22:34:12,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:34:12,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78836604] [2024-04-03 22:34:12,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:12,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 655 proven. 45 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-03 22:34:12,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:34:12,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78836604] [2024-04-03 22:34:12,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78836604] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:34:12,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852924327] [2024-04-03 22:34:12,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:12,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:34:12,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:34:12,890 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:34:12,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (122)] Waiting until timeout for monitored process [2024-04-03 22:34:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:14,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:34:14,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:34:15,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:34:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 545 proven. 155 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-03 22:34:15,675 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:34:15,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:34:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 655 proven. 45 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-03 22:34:16,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852924327] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:34:16,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:34:16,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:34:16,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994485227] [2024-04-03 22:34:16,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:34:16,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:34:16,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:34:16,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:34:16,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 13 times [2024-04-03 22:34:16,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:16,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:16,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:16,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:34:16,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 14 times [2024-04-03 22:34:16,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:16,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:16,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:16,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:34:16,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1948463834, now seen corresponding path program 1 times [2024-04-03 22:34:16,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:16,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:34:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:17,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:34:17,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:34:17,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2024-04-03 22:34:17,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:17,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:17,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 33.68181818181818) internal successors, (741), 23 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:17,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:17,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:17,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:17,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:17,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:17,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:17,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:17,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:17,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:17,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 22:34:17,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:17,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-03 22:34:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:19,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (122)] Ended with exit code 0 [2024-04-03 22:34:19,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 122 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable500,SelfDestructingSolverStorable501,SelfDestructingSolverStorable502,SelfDestructingSolverStorable503,SelfDestructingSolverStorable499 [2024-04-03 22:34:19,851 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:34:19,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:34:19,851 INFO L85 PathProgramCache]: Analyzing trace with hash -55702167, now seen corresponding path program 1 times [2024-04-03 22:34:19,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:34:19,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709203987] [2024-04-03 22:34:19,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:19,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 655 proven. 70 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-03 22:34:20,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:34:20,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709203987] [2024-04-03 22:34:20,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709203987] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:34:20,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339528375] [2024-04-03 22:34:20,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:20,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:34:20,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:34:20,196 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:34:20,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (123)] Waiting until timeout for monitored process [2024-04-03 22:34:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:22,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:34:22,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:34:22,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:34:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 570 proven. 155 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-03 22:34:23,013 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:34:23,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:34:23,335 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 655 proven. 70 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-03 22:34:23,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339528375] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:34:23,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:34:23,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:34:23,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141296173] [2024-04-03 22:34:23,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:34:23,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:34:23,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:34:23,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:34:23,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 15 times [2024-04-03 22:34:23,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:23,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:23,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:23,775 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:23,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:34:23,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 16 times [2024-04-03 22:34:23,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:23,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:23,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:23,995 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:23,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-04-03 22:34:24,137 INFO L85 PathProgramCache]: Analyzing trace with hash 79975649, now seen corresponding path program 1 times [2024-04-03 22:34:24,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:24,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:24,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:34:24,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:24,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:34:24,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-03 22:34:24,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2024-04-03 22:34:24,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:24,652 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:24,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 32.90909090909091) internal successors, (724), 23 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:27,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:27,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (123)] Ended with exit code 0 [2024-04-03 22:34:27,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable508,123 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable504,SelfDestructingSolverStorable505,SelfDestructingSolverStorable506,SelfDestructingSolverStorable507 [2024-04-03 22:34:27,407 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:34:27,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:34:27,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1846128309, now seen corresponding path program 1 times [2024-04-03 22:34:27,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:34:27,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004620175] [2024-04-03 22:34:27,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:27,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 655 proven. 75 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-03 22:34:27,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:34:27,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004620175] [2024-04-03 22:34:27,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004620175] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:34:27,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447283410] [2024-04-03 22:34:27,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:27,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:34:27,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:34:27,731 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:34:27,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (124)] Waiting until timeout for monitored process [2024-04-03 22:34:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:29,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:34:29,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:34:31,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:34:31,280 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 335 proven. 335 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-04-03 22:34:31,280 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:34:31,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:34:32,023 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 595 proven. 75 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-04-03 22:34:32,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447283410] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:34:32,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:34:32,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:34:32,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686732652] [2024-04-03 22:34:32,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:34:32,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:34:32,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:34:32,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:34:32,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 17 times [2024-04-03 22:34:32,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:32,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:32,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:32,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:34:32,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 18 times [2024-04-03 22:34:32,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:32,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:32,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:32,636 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:32,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:34:32,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 1 times [2024-04-03 22:34:32,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:32,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:32,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:33,024 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:33,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:34:33,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 2 times [2024-04-03 22:34:33,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:33,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:33,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:33,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:34:33,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2024-04-03 22:34:33,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:33,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:33,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 48.55555555555556) internal successors, (874), 18 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:35,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:35,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:35,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (124)] Ended with exit code 0 [2024-04-03 22:34:35,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable509,SelfDestructingSolverStorable511,SelfDestructingSolverStorable512,SelfDestructingSolverStorable513,124 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable510 [2024-04-03 22:34:35,705 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:34:35,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:34:35,705 INFO L85 PathProgramCache]: Analyzing trace with hash -741464187, now seen corresponding path program 1 times [2024-04-03 22:34:35,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:34:35,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776975632] [2024-04-03 22:34:35,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:35,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 655 proven. 60 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-03 22:34:36,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:34:36,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776975632] [2024-04-03 22:34:36,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776975632] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:34:36,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907293705] [2024-04-03 22:34:36,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:36,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:34:36,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:34:36,028 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:34:36,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (125)] Waiting until timeout for monitored process [2024-04-03 22:34:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:38,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:34:38,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:34:38,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:34:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 620 proven. 95 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-03 22:34:38,872 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:34:38,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:34:39,195 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 655 proven. 60 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-03 22:34:39,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907293705] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:34:39,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:34:39,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:34:39,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678563578] [2024-04-03 22:34:39,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:34:39,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:34:39,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:34:39,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:34:39,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 19 times [2024-04-03 22:34:39,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:39,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:39,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:39,527 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:39,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:34:39,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 20 times [2024-04-03 22:34:39,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:39,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:39,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:39,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:34:39,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 3 times [2024-04-03 22:34:39,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:39,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:39,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:40,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:34:40,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-04-03 22:34:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:40,464 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:40,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 37.857142857142854) internal successors, (530), 14 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:40,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:40,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:40,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:41,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:41,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:41,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (125)] Forceful destruction successful, exit code 0 [2024-04-03 22:34:42,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 125 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable515,SelfDestructingSolverStorable516,SelfDestructingSolverStorable517,SelfDestructingSolverStorable514 [2024-04-03 22:34:42,106 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:34:42,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:34:42,106 INFO L85 PathProgramCache]: Analyzing trace with hash -358116188, now seen corresponding path program 1 times [2024-04-03 22:34:42,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:34:42,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274459219] [2024-04-03 22:34:42,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:42,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 655 proven. 25 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-03 22:34:42,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:34:42,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274459219] [2024-04-03 22:34:42,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274459219] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:34:42,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061329742] [2024-04-03 22:34:42,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:42,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:34:42,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:34:42,432 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:34:42,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Waiting until timeout for monitored process [2024-04-03 22:34:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:44,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:34:44,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:34:45,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:34:45,239 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 645 proven. 35 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-03 22:34:45,239 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:34:45,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:34:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 655 proven. 25 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-03 22:34:45,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061329742] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:34:45,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:34:45,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:34:45,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413835423] [2024-04-03 22:34:45,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:34:45,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:34:45,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:34:45,779 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:45,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:34:45,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 21 times [2024-04-03 22:34:45,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:45,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:45,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:46,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:34:46,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 22 times [2024-04-03 22:34:46,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:46,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:46,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:46,280 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:46,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:34:46,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 4 times [2024-04-03 22:34:46,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:46,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:46,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:46,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:34:46,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 5 times [2024-04-03 22:34:46,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:46,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:46,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:47,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:34:47,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-04-03 22:34:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:47,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:47,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 37.5) internal successors, (525), 14 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:47,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:47,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:47,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:47,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:48,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:48,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:48,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Forceful destruction successful, exit code 0 [2024-04-03 22:34:48,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable519,SelfDestructingSolverStorable518,126 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable522,SelfDestructingSolverStorable520,SelfDestructingSolverStorable521 [2024-04-03 22:34:48,609 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:34:48,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:34:48,609 INFO L85 PathProgramCache]: Analyzing trace with hash 977858560, now seen corresponding path program 1 times [2024-04-03 22:34:48,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:34:48,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924158808] [2024-04-03 22:34:48,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:48,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 685 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-03 22:34:48,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:34:48,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924158808] [2024-04-03 22:34:48,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924158808] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:34:48,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:34:48,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:34:48,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539617798] [2024-04-03 22:34:48,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:34:48,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:34:48,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:34:49,130 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:49,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:34:49,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 23 times [2024-04-03 22:34:49,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:49,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:49,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:49,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:34:49,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 24 times [2024-04-03 22:34:49,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:49,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:49,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:49,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:34:49,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 6 times [2024-04-03 22:34:49,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:49,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:49,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:49,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:34:49,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 7 times [2024-04-03 22:34:49,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:49,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:49,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:50,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:34:50,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-04-03 22:34:50,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:50,281 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:50,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 51.285714285714285) internal successors, (359), 7 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:34:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:51,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable526,SelfDestructingSolverStorable527,SelfDestructingSolverStorable523,SelfDestructingSolverStorable524,SelfDestructingSolverStorable525 [2024-04-03 22:34:51,399 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:34:51,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:34:51,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1674726825, now seen corresponding path program 1 times [2024-04-03 22:34:51,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:34:51,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603097365] [2024-04-03 22:34:51,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:51,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 745 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-04-03 22:34:51,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:34:51,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603097365] [2024-04-03 22:34:51,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603097365] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:34:51,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:34:51,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:34:51,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416521342] [2024-04-03 22:34:51,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:34:51,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:34:51,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:34:51,836 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:51,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:34:51,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 25 times [2024-04-03 22:34:51,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:51,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:51,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:52,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:34:52,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 26 times [2024-04-03 22:34:52,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:52,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:52,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:52,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:34:52,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 8 times [2024-04-03 22:34:52,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:52,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:52,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:52,556 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:52,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:34:52,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 9 times [2024-04-03 22:34:52,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:52,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:52,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:53,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:34:53,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-04-03 22:34:53,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:53,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:53,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 49.142857142857146) internal successors, (344), 7 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:53,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:54,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:54,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable528,SelfDestructingSolverStorable529,SelfDestructingSolverStorable530,SelfDestructingSolverStorable531,SelfDestructingSolverStorable532 [2024-04-03 22:34:54,309 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:34:54,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:34:54,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1798631366, now seen corresponding path program 1 times [2024-04-03 22:34:54,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:34:54,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053102664] [2024-04-03 22:34:54,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:54,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:54,706 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 760 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-04-03 22:34:54,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:34:54,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053102664] [2024-04-03 22:34:54,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053102664] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:34:54,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:34:54,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:34:54,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023934091] [2024-04-03 22:34:54,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:34:54,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:34:54,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:34:54,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:34:54,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 27 times [2024-04-03 22:34:54,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:54,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:54,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:54,999 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:54,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:34:55,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 28 times [2024-04-03 22:34:55,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:55,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:55,115 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:55,237 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:55,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:34:55,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 10 times [2024-04-03 22:34:55,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:55,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:55,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:55,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:34:55,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 11 times [2024-04-03 22:34:55,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:55,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:55,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:56,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:34:56,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-04-03 22:34:56,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:56,007 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:56,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.857142857142854) internal successors, (314), 7 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:56,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:56,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:56,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:56,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:56,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:34:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:56,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:56,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:56,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:56,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable537,SelfDestructingSolverStorable533,SelfDestructingSolverStorable534,SelfDestructingSolverStorable535,SelfDestructingSolverStorable536 [2024-04-03 22:34:56,434 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:34:56,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:34:56,434 INFO L85 PathProgramCache]: Analyzing trace with hash -2047598982, now seen corresponding path program 2 times [2024-04-03 22:34:56,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:34:56,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417510289] [2024-04-03 22:34:56,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:56,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:56,726 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 685 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-03 22:34:56,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:34:56,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417510289] [2024-04-03 22:34:56,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417510289] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:34:56,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:34:56,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:34:56,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666491519] [2024-04-03 22:34:56,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:34:56,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:34:56,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:34:56,785 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:56,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:34:56,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 29 times [2024-04-03 22:34:56,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:56,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:56,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:56,933 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:56,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:34:56,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 30 times [2024-04-03 22:34:56,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:56,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:57,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:57,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:34:57,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 12 times [2024-04-03 22:34:57,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:57,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:57,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:57,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:34:57,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 13 times [2024-04-03 22:34:57,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:57,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:57,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:57,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:34:57,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-04-03 22:34:57,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:57,876 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:57,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:34:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:58,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:58,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:58,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:58,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable538,SelfDestructingSolverStorable539,SelfDestructingSolverStorable540,SelfDestructingSolverStorable541,SelfDestructingSolverStorable542 [2024-04-03 22:34:58,504 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:34:58,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:34:58,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1984782169, now seen corresponding path program 1 times [2024-04-03 22:34:58,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:34:58,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505618199] [2024-04-03 22:34:58,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:58,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:34:58,786 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 645 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-04-03 22:34:58,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:34:58,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505618199] [2024-04-03 22:34:58,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505618199] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:34:58,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:34:58,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:34:58,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807488350] [2024-04-03 22:34:58,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:34:58,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:34:58,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:34:58,851 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:58,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:34:58,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 31 times [2024-04-03 22:34:58,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:58,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:58,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:58,995 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:58,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:34:59,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 32 times [2024-04-03 22:34:59,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:59,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:59,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:59,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:34:59,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 14 times [2024-04-03 22:34:59,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:59,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:59,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:59,505 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:34:59,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:34:59,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 15 times [2024-04-03 22:34:59,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:34:59,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:34:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:59,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:34:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:34:59,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:34:59,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-04-03 22:34:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:59,884 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:34:59,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 41.714285714285715) internal successors, (292), 7 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:34:59,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:00,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable544,SelfDestructingSolverStorable545,SelfDestructingSolverStorable546,SelfDestructingSolverStorable547,SelfDestructingSolverStorable543 [2024-04-03 22:35:00,607 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:35:00,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:35:00,607 INFO L85 PathProgramCache]: Analyzing trace with hash 2074303049, now seen corresponding path program 1 times [2024-04-03 22:35:00,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:35:00,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961467460] [2024-04-03 22:35:00,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:00,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:00,967 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 595 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-04-03 22:35:00,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:35:00,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961467460] [2024-04-03 22:35:00,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961467460] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:35:00,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:35:00,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:35:00,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74485095] [2024-04-03 22:35:00,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:35:00,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:35:00,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:35:01,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:35:01,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 33 times [2024-04-03 22:35:01,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:01,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:01,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:01,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:35:01,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 34 times [2024-04-03 22:35:01,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:01,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:01,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:01,382 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:01,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:35:01,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 16 times [2024-04-03 22:35:01,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:01,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:01,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:01,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:35:01,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 17 times [2024-04-03 22:35:01,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:01,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:01,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:01,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:35:01,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-04-03 22:35:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:01,885 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:35:01,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.57142857142857) internal successors, (284), 7 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:02,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:02,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:02,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable550,SelfDestructingSolverStorable548,SelfDestructingSolverStorable549,SelfDestructingSolverStorable551,SelfDestructingSolverStorable552 [2024-04-03 22:35:02,364 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:35:02,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:35:02,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1075510437, now seen corresponding path program 1 times [2024-04-03 22:35:02,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:35:02,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3311406] [2024-04-03 22:35:02,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:02,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:02,752 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 410 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-04-03 22:35:02,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:35:02,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3311406] [2024-04-03 22:35:02,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3311406] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:35:02,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:35:02,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:35:02,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579981350] [2024-04-03 22:35:02,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:35:02,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:35:02,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:35:02,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:35:02,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 35 times [2024-04-03 22:35:02,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:02,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:02,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:02,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:35:02,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 36 times [2024-04-03 22:35:02,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:02,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:03,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:03,115 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:03,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:35:03,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 18 times [2024-04-03 22:35:03,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:03,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:03,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:03,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:35:03,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 19 times [2024-04-03 22:35:03,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:03,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:03,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:03,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:35:03,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-04-03 22:35:03,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:03,608 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:35:03,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 39.42857142857143) internal successors, (276), 7 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:35:03,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:03,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:03,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:03,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:03,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:03,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:03,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:03,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:03,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:03,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:03,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:03,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:03,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:03,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:03,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable555,SelfDestructingSolverStorable556,SelfDestructingSolverStorable557,SelfDestructingSolverStorable553,SelfDestructingSolverStorable554 [2024-04-03 22:35:03,990 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:35:03,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:35:03,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1453695525, now seen corresponding path program 2 times [2024-04-03 22:35:03,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:35:03,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260719094] [2024-04-03 22:35:03,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:03,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 595 proven. 180 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-04-03 22:35:04,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:35:04,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260719094] [2024-04-03 22:35:04,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260719094] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:35:04,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610386626] [2024-04-03 22:35:04,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 22:35:04,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:35:04,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:35:04,367 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:35:04,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (127)] Waiting until timeout for monitored process [2024-04-03 22:35:06,352 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 22:35:06,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 22:35:06,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:35:06,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:35:08,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:35:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 115 proven. 465 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-04-03 22:35:08,120 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:35:08,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:35:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 495 proven. 85 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-04-03 22:35:08,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610386626] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:35:08,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:35:08,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:35:08,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332081462] [2024-04-03 22:35:08,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:35:08,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:35:08,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:35:08,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:35:08,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 37 times [2024-04-03 22:35:08,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:08,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:09,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:09,138 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:09,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:35:09,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 38 times [2024-04-03 22:35:09,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:09,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:09,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:09,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:35:09,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 20 times [2024-04-03 22:35:09,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:09,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:09,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:09,976 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:09,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:35:10,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 21 times [2024-04-03 22:35:10,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:10,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:10,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:10,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:35:10,721 INFO L85 PathProgramCache]: Analyzing trace with hash -194206506, now seen corresponding path program 1 times [2024-04-03 22:35:10,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:10,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:11,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:35:11,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:11,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 22:35:11,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-03 22:35:11,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=860, Unknown=0, NotChecked=0, Total=930 [2024-04-03 22:35:11,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:11,497 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:35:11,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 36.46153846153846) internal successors, (948), 27 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:11,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:13,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:13,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:13,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (127)] Ended with exit code 0 [2024-04-03 22:35:14,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable560,SelfDestructingSolverStorable561,SelfDestructingSolverStorable559,127 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable558,SelfDestructingSolverStorable562,SelfDestructingSolverStorable563,SelfDestructingSolverStorable564 [2024-04-03 22:35:14,114 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:35:14,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:35:14,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1119553859, now seen corresponding path program 1 times [2024-04-03 22:35:14,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:35:14,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366550677] [2024-04-03 22:35:14,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:14,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:14,362 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 595 proven. 25 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-03 22:35:14,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:35:14,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366550677] [2024-04-03 22:35:14,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366550677] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:35:14,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003632020] [2024-04-03 22:35:14,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:14,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:35:14,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:35:14,364 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:35:14,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (128)] Waiting until timeout for monitored process [2024-04-03 22:35:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:16,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:35:16,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:35:17,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:35:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 455 proven. 230 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-03 22:35:17,938 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:35:17,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:35:18,541 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 525 proven. 160 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-03 22:35:18,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003632020] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:35:18,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:35:18,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 18 [2024-04-03 22:35:18,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482686881] [2024-04-03 22:35:18,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:35:18,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 22:35:18,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:35:18,650 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:18,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:35:18,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 39 times [2024-04-03 22:35:18,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:18,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:18,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:18,869 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:18,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:35:18,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 40 times [2024-04-03 22:35:18,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:18,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:19,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:19,172 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:19,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:35:19,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 22 times [2024-04-03 22:35:19,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:19,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:19,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:19,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:35:19,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 23 times [2024-04-03 22:35:19,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:19,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:19,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:19,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 22:35:19,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2024-04-03 22:35:19,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:19,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:35:19,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 36.166666666666664) internal successors, (651), 18 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:35:19,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:19,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:19,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:19,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:19,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:19,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:19,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:19,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:20,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:35:20,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (128)] Ended with exit code 0 [2024-04-03 22:35:21,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable566,SelfDestructingSolverStorable567,SelfDestructingSolverStorable568,SelfDestructingSolverStorable569,128 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable565 [2024-04-03 22:35:21,138 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:35:21,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:35:21,139 INFO L85 PathProgramCache]: Analyzing trace with hash 270345121, now seen corresponding path program 1 times [2024-04-03 22:35:21,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:35:21,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779112627] [2024-04-03 22:35:21,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:21,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 525 proven. 85 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-03 22:35:21,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:35:21,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779112627] [2024-04-03 22:35:21,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779112627] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:35:21,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550553599] [2024-04-03 22:35:21,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:21,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:35:21,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:35:21,446 INFO L229 MonitoredProcess]: Starting monitored process 129 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:35:21,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (129)] Waiting until timeout for monitored process [2024-04-03 22:35:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:23,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:35:23,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:35:24,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:35:24,859 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 525 proven. 85 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-03 22:35:24,860 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:35:24,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:35:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 525 proven. 85 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-03 22:35:25,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550553599] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:35:25,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:35:25,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:35:25,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529676746] [2024-04-03 22:35:25,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:35:25,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:35:25,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:35:25,490 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:25,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:35:25,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 41 times [2024-04-03 22:35:25,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:25,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:25,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:25,675 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:25,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:35:25,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 42 times [2024-04-03 22:35:25,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:25,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:25,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:26,066 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:26,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:35:26,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 24 times [2024-04-03 22:35:26,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:26,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:26,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:26,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:35:26,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 25 times [2024-04-03 22:35:26,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:26,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:26,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:26,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:35:26,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:35:26,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:26,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:35:26,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 31.8125) internal successors, (509), 16 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:35:26,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:26,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:35:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:35:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:27,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (129)] Ended with exit code 0 [2024-04-03 22:35:27,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable570,SelfDestructingSolverStorable571,SelfDestructingSolverStorable572,129 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable573,SelfDestructingSolverStorable574 [2024-04-03 22:35:27,336 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:35:27,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:35:27,337 INFO L85 PathProgramCache]: Analyzing trace with hash 196338972, now seen corresponding path program 1 times [2024-04-03 22:35:27,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:35:27,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607206333] [2024-04-03 22:35:27,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:27,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 435 proven. 170 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2024-04-03 22:35:27,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:35:27,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607206333] [2024-04-03 22:35:27,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607206333] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:35:27,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261315033] [2024-04-03 22:35:27,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:27,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:35:27,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:35:27,620 INFO L229 MonitoredProcess]: Starting monitored process 130 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:35:27,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (130)] Waiting until timeout for monitored process [2024-04-03 22:35:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:29,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-03 22:35:29,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:35:30,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:35:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 435 proven. 170 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2024-04-03 22:35:31,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:35:31,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:35:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 435 proven. 170 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2024-04-03 22:35:31,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261315033] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:35:31,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:35:31,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:35:31,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308316125] [2024-04-03 22:35:31,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:35:31,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:35:31,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:35:31,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:35:31,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 43 times [2024-04-03 22:35:31,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:31,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:31,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:31,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:35:32,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 44 times [2024-04-03 22:35:32,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:32,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:32,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:32,243 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:32,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:35:32,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 26 times [2024-04-03 22:35:32,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:32,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:32,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:32,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:35:32,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 27 times [2024-04-03 22:35:32,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:32,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:32,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:32,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:35:32,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:35:32,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:32,860 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:35:32,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 32.625) internal successors, (522), 16 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:35:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:35:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:33,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (130)] Ended with exit code 0 [2024-04-03 22:35:33,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 130 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable577,SelfDestructingSolverStorable578,SelfDestructingSolverStorable579,SelfDestructingSolverStorable575,SelfDestructingSolverStorable576 [2024-04-03 22:35:33,482 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:35:33,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:35:33,483 INFO L85 PathProgramCache]: Analyzing trace with hash -958291429, now seen corresponding path program 1 times [2024-04-03 22:35:33,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:35:33,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116738558] [2024-04-03 22:35:33,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:33,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:33,957 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 560 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-04-03 22:35:33,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:35:33,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116738558] [2024-04-03 22:35:33,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116738558] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:35:33,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971989697] [2024-04-03 22:35:33,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:33,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:35:33,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:35:33,959 INFO L229 MonitoredProcess]: Starting monitored process 131 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:35:33,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (131)] Waiting until timeout for monitored process [2024-04-03 22:35:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:35,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-03 22:35:35,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:35:37,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:35:37,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:35:37,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:35:37,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 22:35:37,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 22:35:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 595 proven. 25 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-03 22:35:37,348 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:35:37,365 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_37394 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_37394) |c_t1_funThread12of14ForFork0_munge_~m#1.base|) |c_t1_funThread12of14ForFork0_munge_~m#1.offset|) 0))) is different from false [2024-04-03 22:35:37,375 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_37394 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_37394) |c_t1_funThread12of14ForFork0_munge_#in~m#1.base|) |c_t1_funThread12of14ForFork0_munge_#in~m#1.offset|) 0))) is different from false [2024-04-03 22:35:37,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:35:37,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-04-03 22:35:37,425 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 22:35:37,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-04-03 22:35:37,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-03 22:35:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 595 proven. 25 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-03 22:35:37,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971989697] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:35:37,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:35:37,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 26 [2024-04-03 22:35:37,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946732347] [2024-04-03 22:35:37,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:35:37,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-03 22:35:37,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:35:37,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:35:38,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 45 times [2024-04-03 22:35:38,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:38,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:38,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:38,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:35:38,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 46 times [2024-04-03 22:35:38,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:38,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:38,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:38,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:35:38,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 28 times [2024-04-03 22:35:38,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:38,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:38,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:38,759 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:38,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:35:38,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 29 times [2024-04-03 22:35:38,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:38,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:38,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:39,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-03 22:35:39,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=663, Unknown=3, NotChecked=106, Total=870 [2024-04-03 22:35:39,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:39,337 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:35:39,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 23.73076923076923) internal successors, (617), 26 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:39,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:39,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:39,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:39,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:39,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:39,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:39,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:39,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-03 22:35:39,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:39,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:39,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:35:40,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (131)] Forceful destruction successful, exit code 0 [2024-04-03 22:35:41,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable580,SelfDestructingSolverStorable581,SelfDestructingSolverStorable582,SelfDestructingSolverStorable583,131 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable584 [2024-04-03 22:35:41,079 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:35:41,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:35:41,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2123397697, now seen corresponding path program 1 times [2024-04-03 22:35:41,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:35:41,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106761738] [2024-04-03 22:35:41,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:41,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 500 proven. 10 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2024-04-03 22:35:41,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:35:41,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106761738] [2024-04-03 22:35:41,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106761738] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:35:41,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976809704] [2024-04-03 22:35:41,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:41,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:35:41,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:35:41,320 INFO L229 MonitoredProcess]: Starting monitored process 132 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:35:41,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (132)] Waiting until timeout for monitored process [2024-04-03 22:35:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:43,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:35:43,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:35:44,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:35:44,268 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 400 proven. 110 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2024-04-03 22:35:44,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:35:44,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:35:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 500 proven. 10 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2024-04-03 22:35:44,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976809704] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:35:44,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:35:44,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:35:44,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337224445] [2024-04-03 22:35:44,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:35:44,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:35:44,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:35:44,501 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:44,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:35:44,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 47 times [2024-04-03 22:35:44,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:44,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:44,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:44,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:35:44,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 48 times [2024-04-03 22:35:44,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:44,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:44,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:45,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:35:45,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 30 times [2024-04-03 22:35:45,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:45,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:45,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:45,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:35:45,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 31 times [2024-04-03 22:35:45,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:45,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:45,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:45,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:35:45,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-04-03 22:35:45,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:45,704 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:35:45,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 33.142857142857146) internal successors, (464), 14 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:35:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:35:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:46,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (132)] Forceful destruction successful, exit code 0 [2024-04-03 22:35:46,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 132 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable588,SelfDestructingSolverStorable589,SelfDestructingSolverStorable585,SelfDestructingSolverStorable586,SelfDestructingSolverStorable587 [2024-04-03 22:35:46,426 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:35:46,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:35:46,426 INFO L85 PathProgramCache]: Analyzing trace with hash 181208597, now seen corresponding path program 1 times [2024-04-03 22:35:46,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:35:46,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211509328] [2024-04-03 22:35:46,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:46,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:46,673 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-04-03 22:35:46,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:35:46,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211509328] [2024-04-03 22:35:46,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211509328] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 22:35:46,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 22:35:46,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 22:35:46,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421590663] [2024-04-03 22:35:46,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 22:35:46,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 22:35:46,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:35:46,736 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:46,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:35:46,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 49 times [2024-04-03 22:35:46,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:46,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:46,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:46,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:35:46,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 50 times [2024-04-03 22:35:46,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:46,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:46,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:47,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-04-03 22:35:47,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 32 times [2024-04-03 22:35:47,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:47,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:47,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:47,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:35:47,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 33 times [2024-04-03 22:35:47,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:47,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:47,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:47,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 22:35:47,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-04-03 22:35:47,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:47,648 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:35:47,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.714285714285715) internal successors, (257), 7 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:35:47,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:47,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:47,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:47,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:47,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:47,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 22:35:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:47,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:48,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable591,SelfDestructingSolverStorable592,SelfDestructingSolverStorable593,SelfDestructingSolverStorable594,SelfDestructingSolverStorable590 [2024-04-03 22:35:48,102 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:35:48,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:35:48,103 INFO L85 PathProgramCache]: Analyzing trace with hash 479804917, now seen corresponding path program 1 times [2024-04-03 22:35:48,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:35:48,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902057053] [2024-04-03 22:35:48,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:48,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:48,365 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 635 proven. 110 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-04-03 22:35:48,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:35:48,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902057053] [2024-04-03 22:35:48,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902057053] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:35:48,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918889357] [2024-04-03 22:35:48,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:48,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:35:48,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:35:48,367 INFO L229 MonitoredProcess]: Starting monitored process 133 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:35:48,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (133)] Waiting until timeout for monitored process [2024-04-03 22:35:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:50,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:35:50,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:35:51,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:35:51,657 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 480 proven. 295 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-04-03 22:35:51,657 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:35:51,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:35:52,288 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 635 proven. 140 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-04-03 22:35:52,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918889357] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:35:52,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:35:52,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-04-03 22:35:52,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651650435] [2024-04-03 22:35:52,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:35:52,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 22:35:52,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:35:52,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-04-03 22:35:52,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 51 times [2024-04-03 22:35:52,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:52,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:52,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:52,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-04-03 22:35:52,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 52 times [2024-04-03 22:35:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:52,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:52,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:52,982 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:52,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 960 [2024-04-03 22:35:53,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 34 times [2024-04-03 22:35:53,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:53,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:53,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:53,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-04-03 22:35:53,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 35 times [2024-04-03 22:35:53,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:53,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:53,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:53,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 22:35:53,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2024-04-03 22:35:53,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:53,650 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:35:53,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 32.625) internal successors, (522), 16 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:53,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:53,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:53,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:53,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:53,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:53,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:53,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:53,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:53,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:53,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:53,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:35:54,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (133)] Ended with exit code 0 [2024-04-03 22:35:54,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable599,SelfDestructingSolverStorable595,SelfDestructingSolverStorable596,133 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable597,SelfDestructingSolverStorable598 [2024-04-03 22:35:54,492 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 29 more)] === [2024-04-03 22:35:54,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 22:35:54,492 INFO L85 PathProgramCache]: Analyzing trace with hash -178244181, now seen corresponding path program 1 times [2024-04-03 22:35:54,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 22:35:54,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468743009] [2024-04-03 22:35:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:54,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 655 proven. 90 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-04-03 22:35:54,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 22:35:54,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468743009] [2024-04-03 22:35:54,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468743009] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 22:35:54,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766398680] [2024-04-03 22:35:54,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:54,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 22:35:54,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 22:35:54,745 INFO L229 MonitoredProcess]: Starting monitored process 134 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 22:35:54,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Waiting until timeout for monitored process [2024-04-03 22:35:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 22:35:56,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-03 22:35:56,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 22:35:58,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-03 22:35:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 545 proven. 200 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-04-03 22:35:58,087 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 22:35:58,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-03 22:35:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 655 proven. 90 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-04-03 22:35:58,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766398680] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 22:35:58,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 22:35:58,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-04-03 22:35:58,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425364189] [2024-04-03 22:35:58,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 22:35:58,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-03 22:35:58,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 22:35:58,517 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:58,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:35:58,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 53 times [2024-04-03 22:35:58,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:58,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:58,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:58,731 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:58,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-04-03 22:35:58,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1482765193, now seen corresponding path program 54 times [2024-04-03 22:35:58,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:58,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:58,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:58,986 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:58,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-04-03 22:35:59,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 36 times [2024-04-03 22:35:59,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:59,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:59,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:59,267 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-04-03 22:35:59,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-04-03 22:35:59,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749799, now seen corresponding path program 37 times [2024-04-03 22:35:59,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 22:35:59,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 22:35:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:59,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 22:35:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 22:35:59,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-03 22:35:59,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-04-03 22:35:59,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:59,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 22:35:59,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 32.857142857142854) internal successors, (460), 14 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 22:35:59,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 22:35:59,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:59,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:59,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 22:35:59,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-03 22:35:59,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 22:35:59,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 22:35:59,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 22:35:59,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-03 22:35:59,813 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (59)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (117)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (31)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (97)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (38)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,820 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,820 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (26)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,820 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (46)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,820 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (78)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 22:35:59,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Ended with exit code 0 [2024-04-03 22:36:00,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable603,SelfDestructingSolverStorable604,134 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable600,SelfDestructingSolverStorable601,SelfDestructingSolverStorable602 [2024-04-03 22:36:00,016 WARN L619 AbstractCegarLoop]: Verification canceled: while XnfDer was eliminating 1 quantified variables from 5 xjuncts. [2024-04-03 22:36:00,016 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 32 remaining) [2024-04-03 22:36:00,016 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 32 remaining) [2024-04-03 22:36:00,016 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 32 remaining) [2024-04-03 22:36:00,016 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 32 remaining) [2024-04-03 22:36:00,016 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 32 remaining) [2024-04-03 22:36:00,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 32 remaining) [2024-04-03 22:36:00,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 32 remaining) [2024-04-03 22:36:00,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 32 remaining) [2024-04-03 22:36:00,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 32 remaining) [2024-04-03 22:36:00,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 32 remaining) [2024-04-03 22:36:00,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 32 remaining) [2024-04-03 22:36:00,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 32 remaining) [2024-04-03 22:36:00,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 32 remaining) [2024-04-03 22:36:00,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 32 remaining) [2024-04-03 22:36:00,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 32 remaining) [2024-04-03 22:36:00,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 32 remaining) [2024-04-03 22:36:00,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 32 remaining) [2024-04-03 22:36:00,019 INFO L445 BasicCegarLoop]: Path program histogram: [54, 37, 6, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-03 22:36:00,023 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 14 thread instances [2024-04-03 22:36:00,023 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-03 22:36:00,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 10:36:00 BasicIcfg [2024-04-03 22:36:00,029 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-03 22:36:00,030 INFO L158 Benchmark]: Toolchain (without parser) took 808585.07ms. Allocated memory was 280.0MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 209.5MB in the beginning and 701.5MB in the end (delta: -492.0MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2024-04-03 22:36:00,030 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-03 22:36:00,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.93ms. Allocated memory is still 280.0MB. Free memory was 209.3MB in the beginning and 188.6MB in the end (delta: 20.7MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-04-03 22:36:00,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.25ms. Allocated memory is still 280.0MB. Free memory was 188.6MB in the beginning and 246.8MB in the end (delta: -58.2MB). Peak memory consumption was 6.7MB. Max. memory is 8.0GB. [2024-04-03 22:36:00,030 INFO L158 Benchmark]: Boogie Preprocessor took 19.99ms. Allocated memory is still 280.0MB. Free memory was 246.8MB in the beginning and 244.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-03 22:36:00,030 INFO L158 Benchmark]: RCFGBuilder took 463.56ms. Allocated memory is still 280.0MB. Free memory was 244.7MB in the beginning and 220.0MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2024-04-03 22:36:00,030 INFO L158 Benchmark]: TraceAbstraction took 807601.35ms. Allocated memory was 280.0MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 219.0MB in the beginning and 701.5MB in the end (delta: -482.5MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2024-04-03 22:36:00,030 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 427.93ms. Allocated memory is still 280.0MB. Free memory was 209.3MB in the beginning and 188.6MB in the end (delta: 20.7MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.25ms. Allocated memory is still 280.0MB. Free memory was 188.6MB in the beginning and 246.8MB in the end (delta: -58.2MB). Peak memory consumption was 6.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.99ms. Allocated memory is still 280.0MB. Free memory was 246.8MB in the beginning and 244.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 463.56ms. Allocated memory is still 280.0MB. Free memory was 244.7MB in the beginning and 220.0MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 807601.35ms. Allocated memory was 280.0MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 219.0MB in the beginning and 701.5MB in the end (delta: -482.5MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 194, independent: 110, independent conditional: 88, independent unconditional: 22, dependent: 84, dependent conditional: 72, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 110, independent: 110, independent conditional: 88, independent unconditional: 22, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110, independent: 110, independent conditional: 88, independent unconditional: 22, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 110, independent: 110, independent conditional: 88, independent unconditional: 22, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110, independent: 110, independent conditional: 18, independent unconditional: 92, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 110, independent: 110, independent conditional: 18, independent unconditional: 92, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110, independent: 110, independent conditional: 18, independent unconditional: 92, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 77, independent: 77, independent conditional: 16, independent unconditional: 61, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 77, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 110, independent: 33, independent conditional: 2, independent unconditional: 31, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 77, unknown conditional: 16, unknown unconditional: 61] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 77, Positive conditional cache size: 16, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110, independent: 110, independent conditional: 18, independent unconditional: 92, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 110, independent: 110, independent conditional: 18, independent unconditional: 92, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110, independent: 110, independent conditional: 18, independent unconditional: 92, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 77, independent: 77, independent conditional: 16, independent unconditional: 61, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 77, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 110, independent: 33, independent conditional: 2, independent unconditional: 31, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 77, unknown conditional: 16, unknown unconditional: 61] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 77, Positive conditional cache size: 16, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0 ], Independence queries for same thread: 84 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 713, independent: 480, independent conditional: 456, independent unconditional: 24, dependent: 233, dependent conditional: 220, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 480, independent: 480, independent conditional: 456, independent unconditional: 24, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 480, independent: 480, independent conditional: 456, independent unconditional: 24, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 480, independent: 480, independent conditional: 456, independent unconditional: 24, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 480, independent: 480, independent conditional: 162, independent unconditional: 318, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 480, independent: 480, independent conditional: 130, independent unconditional: 350, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 480, independent: 480, independent conditional: 130, independent unconditional: 350, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 200, independent: 200, independent conditional: 31, independent unconditional: 169, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 200, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 480, independent: 280, independent conditional: 99, independent unconditional: 181, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 200, unknown conditional: 31, unknown unconditional: 169] , Statistics on independence cache: Total cache size (in pairs): 200, Positive cache size: 200, Positive conditional cache size: 31, Positive unconditional cache size: 169, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 32, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 480, independent: 480, independent conditional: 162, independent unconditional: 318, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 480, independent: 480, independent conditional: 130, independent unconditional: 350, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 480, independent: 480, independent conditional: 130, independent unconditional: 350, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 200, independent: 200, independent conditional: 31, independent unconditional: 169, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 200, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 480, independent: 280, independent conditional: 99, independent unconditional: 181, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 200, unknown conditional: 31, unknown unconditional: 169] , Statistics on independence cache: Total cache size (in pairs): 200, Positive cache size: 200, Positive conditional cache size: 31, Positive unconditional cache size: 169, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 32 ], Independence queries for same thread: 233 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3934, independent: 3104, independent conditional: 3078, independent unconditional: 26, dependent: 830, dependent conditional: 816, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3110, independent: 3104, independent conditional: 3078, independent unconditional: 26, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3110, independent: 3104, independent conditional: 3078, independent unconditional: 26, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3110, independent: 3104, independent conditional: 3078, independent unconditional: 26, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3135, independent: 3104, independent conditional: 1073, independent unconditional: 2031, dependent: 31, dependent conditional: 16, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3135, independent: 3104, independent conditional: 807, independent unconditional: 2297, dependent: 31, dependent conditional: 16, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3135, independent: 3104, independent conditional: 807, independent unconditional: 2297, dependent: 31, dependent conditional: 16, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 550, independent: 540, independent conditional: 118, independent unconditional: 422, dependent: 10, dependent conditional: 8, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 550, independent: 529, independent conditional: 0, independent unconditional: 529, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 11, independent conditional: 5, independent unconditional: 6, dependent: 10, dependent conditional: 8, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 11, independent conditional: 5, independent unconditional: 6, dependent: 10, dependent conditional: 8, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, independent: 40, independent conditional: 6, independent unconditional: 34, dependent: 28, dependent conditional: 23, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3135, independent: 2564, independent conditional: 689, independent unconditional: 1875, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 550, unknown conditional: 126, unknown unconditional: 424] , Statistics on independence cache: Total cache size (in pairs): 550, Positive cache size: 540, Positive conditional cache size: 118, Positive unconditional cache size: 422, Negative cache size: 10, Negative conditional cache size: 8, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 266, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3135, independent: 3104, independent conditional: 1073, independent unconditional: 2031, dependent: 31, dependent conditional: 16, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3135, independent: 3104, independent conditional: 807, independent unconditional: 2297, dependent: 31, dependent conditional: 16, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3135, independent: 3104, independent conditional: 807, independent unconditional: 2297, dependent: 31, dependent conditional: 16, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 550, independent: 540, independent conditional: 118, independent unconditional: 422, dependent: 10, dependent conditional: 8, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 550, independent: 529, independent conditional: 0, independent unconditional: 529, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 11, independent conditional: 5, independent unconditional: 6, dependent: 10, dependent conditional: 8, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 11, independent conditional: 5, independent unconditional: 6, dependent: 10, dependent conditional: 8, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, independent: 40, independent conditional: 6, independent unconditional: 34, dependent: 28, dependent conditional: 23, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3135, independent: 2564, independent conditional: 689, independent unconditional: 1875, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 550, unknown conditional: 126, unknown unconditional: 424] , Statistics on independence cache: Total cache size (in pairs): 550, Positive cache size: 540, Positive conditional cache size: 118, Positive unconditional cache size: 422, Negative cache size: 10, Negative conditional cache size: 8, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 266 ], Independence queries for same thread: 824 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11634, independent: 9743, independent conditional: 9717, independent unconditional: 26, dependent: 1891, dependent conditional: 1877, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9765, independent: 9743, independent conditional: 9717, independent unconditional: 26, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9765, independent: 9743, independent conditional: 9717, independent unconditional: 26, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9765, independent: 9743, independent conditional: 9717, independent unconditional: 26, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9878, independent: 9743, independent conditional: 3334, independent unconditional: 6409, dependent: 135, dependent conditional: 83, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9878, independent: 9743, independent conditional: 2723, independent unconditional: 7020, dependent: 135, dependent conditional: 62, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9878, independent: 9743, independent conditional: 2723, independent unconditional: 7020, dependent: 135, dependent conditional: 62, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1283, independent: 1237, independent conditional: 329, independent unconditional: 908, dependent: 46, dependent conditional: 34, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1283, independent: 1207, independent conditional: 0, independent unconditional: 1207, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 76, independent: 30, independent conditional: 17, independent unconditional: 13, dependent: 46, dependent conditional: 34, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, independent: 30, independent conditional: 17, independent unconditional: 13, dependent: 46, dependent conditional: 34, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, independent: 57, independent conditional: 18, independent unconditional: 40, dependent: 88, dependent conditional: 69, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9878, independent: 8506, independent conditional: 2394, independent unconditional: 6112, dependent: 89, dependent conditional: 28, dependent unconditional: 61, unknown: 1283, unknown conditional: 363, unknown unconditional: 920] , Statistics on independence cache: Total cache size (in pairs): 1283, Positive cache size: 1237, Positive conditional cache size: 329, Positive unconditional cache size: 908, Negative cache size: 46, Negative conditional cache size: 34, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 632, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9878, independent: 9743, independent conditional: 3334, independent unconditional: 6409, dependent: 135, dependent conditional: 83, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9878, independent: 9743, independent conditional: 2723, independent unconditional: 7020, dependent: 135, dependent conditional: 62, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9878, independent: 9743, independent conditional: 2723, independent unconditional: 7020, dependent: 135, dependent conditional: 62, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1283, independent: 1237, independent conditional: 329, independent unconditional: 908, dependent: 46, dependent conditional: 34, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1283, independent: 1207, independent conditional: 0, independent unconditional: 1207, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 76, independent: 30, independent conditional: 17, independent unconditional: 13, dependent: 46, dependent conditional: 34, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, independent: 30, independent conditional: 17, independent unconditional: 13, dependent: 46, dependent conditional: 34, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, independent: 57, independent conditional: 18, independent unconditional: 40, dependent: 88, dependent conditional: 69, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9878, independent: 8506, independent conditional: 2394, independent unconditional: 6112, dependent: 89, dependent conditional: 28, dependent unconditional: 61, unknown: 1283, unknown conditional: 363, unknown unconditional: 920] , Statistics on independence cache: Total cache size (in pairs): 1283, Positive cache size: 1237, Positive conditional cache size: 329, Positive unconditional cache size: 908, Negative cache size: 46, Negative conditional cache size: 34, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 632 ], Independence queries for same thread: 1869 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18998, independent: 16065, independent conditional: 16039, independent unconditional: 26, dependent: 2933, dependent conditional: 2919, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16093, independent: 16065, independent conditional: 16039, independent unconditional: 26, dependent: 28, dependent conditional: 28, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16093, independent: 16065, independent conditional: 16039, independent unconditional: 26, dependent: 28, dependent conditional: 28, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16093, independent: 16065, independent conditional: 16039, independent unconditional: 26, dependent: 28, dependent conditional: 28, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16251, independent: 16065, independent conditional: 5358, independent unconditional: 10707, dependent: 186, dependent conditional: 117, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16251, independent: 16065, independent conditional: 4559, independent unconditional: 11506, dependent: 186, dependent conditional: 82, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16251, independent: 16065, independent conditional: 4559, independent unconditional: 11506, dependent: 186, dependent conditional: 82, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1751, independent: 1699, independent conditional: 347, independent unconditional: 1352, dependent: 52, dependent conditional: 37, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1751, independent: 1652, independent conditional: 0, independent unconditional: 1652, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 99, independent: 47, independent conditional: 24, independent unconditional: 23, dependent: 52, dependent conditional: 37, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 47, independent conditional: 24, independent unconditional: 23, dependent: 52, dependent conditional: 37, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, independent: 58, independent conditional: 15, independent unconditional: 43, dependent: 97, dependent conditional: 77, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16251, independent: 14366, independent conditional: 4212, independent unconditional: 10154, dependent: 134, dependent conditional: 45, dependent unconditional: 89, unknown: 1751, unknown conditional: 384, unknown unconditional: 1367] , Statistics on independence cache: Total cache size (in pairs): 1751, Positive cache size: 1699, Positive conditional cache size: 347, Positive unconditional cache size: 1352, Negative cache size: 52, Negative conditional cache size: 37, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 834, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16251, independent: 16065, independent conditional: 5358, independent unconditional: 10707, dependent: 186, dependent conditional: 117, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16251, independent: 16065, independent conditional: 4559, independent unconditional: 11506, dependent: 186, dependent conditional: 82, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16251, independent: 16065, independent conditional: 4559, independent unconditional: 11506, dependent: 186, dependent conditional: 82, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1751, independent: 1699, independent conditional: 347, independent unconditional: 1352, dependent: 52, dependent conditional: 37, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1751, independent: 1652, independent conditional: 0, independent unconditional: 1652, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 99, independent: 47, independent conditional: 24, independent unconditional: 23, dependent: 52, dependent conditional: 37, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 47, independent conditional: 24, independent unconditional: 23, dependent: 52, dependent conditional: 37, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, independent: 58, independent conditional: 15, independent unconditional: 43, dependent: 97, dependent conditional: 77, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16251, independent: 14366, independent conditional: 4212, independent unconditional: 10154, dependent: 134, dependent conditional: 45, dependent unconditional: 89, unknown: 1751, unknown conditional: 384, unknown unconditional: 1367] , Statistics on independence cache: Total cache size (in pairs): 1751, Positive cache size: 1699, Positive conditional cache size: 347, Positive unconditional cache size: 1352, Negative cache size: 52, Negative conditional cache size: 37, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 834 ], Independence queries for same thread: 2905 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32142, independent: 27626, independent conditional: 27600, independent unconditional: 26, dependent: 4516, dependent conditional: 4502, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27675, independent: 27626, independent conditional: 27600, independent unconditional: 26, dependent: 49, dependent conditional: 49, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27675, independent: 27626, independent conditional: 27600, independent unconditional: 26, dependent: 49, dependent conditional: 49, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27675, independent: 27626, independent conditional: 27600, independent unconditional: 26, dependent: 49, dependent conditional: 49, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27916, independent: 27626, independent conditional: 9055, independent unconditional: 18571, dependent: 290, dependent conditional: 174, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27916, independent: 27626, independent conditional: 8042, independent unconditional: 19584, dependent: 290, dependent conditional: 106, dependent unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27916, independent: 27626, independent conditional: 8042, independent unconditional: 19584, dependent: 290, dependent conditional: 106, dependent unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2558, independent: 2490, independent conditional: 585, independent unconditional: 1905, dependent: 68, dependent conditional: 41, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2558, independent: 2401, independent conditional: 0, independent unconditional: 2401, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 157, independent: 89, independent conditional: 40, independent unconditional: 49, dependent: 68, dependent conditional: 41, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, independent: 89, independent conditional: 40, independent unconditional: 49, dependent: 68, dependent conditional: 41, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, independent: 72, independent conditional: 11, independent unconditional: 60, dependent: 101, dependent conditional: 69, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 27916, independent: 25136, independent conditional: 7457, independent unconditional: 17679, dependent: 222, dependent conditional: 65, dependent unconditional: 157, unknown: 2558, unknown conditional: 626, unknown unconditional: 1932] , Statistics on independence cache: Total cache size (in pairs): 2558, Positive cache size: 2490, Positive conditional cache size: 585, Positive unconditional cache size: 1905, Negative cache size: 68, Negative conditional cache size: 41, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1081, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27916, independent: 27626, independent conditional: 9055, independent unconditional: 18571, dependent: 290, dependent conditional: 174, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27916, independent: 27626, independent conditional: 8042, independent unconditional: 19584, dependent: 290, dependent conditional: 106, dependent unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27916, independent: 27626, independent conditional: 8042, independent unconditional: 19584, dependent: 290, dependent conditional: 106, dependent unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2558, independent: 2490, independent conditional: 585, independent unconditional: 1905, dependent: 68, dependent conditional: 41, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2558, independent: 2401, independent conditional: 0, independent unconditional: 2401, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 157, independent: 89, independent conditional: 40, independent unconditional: 49, dependent: 68, dependent conditional: 41, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, independent: 89, independent conditional: 40, independent unconditional: 49, dependent: 68, dependent conditional: 41, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, independent: 72, independent conditional: 11, independent unconditional: 60, dependent: 101, dependent conditional: 69, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 27916, independent: 25136, independent conditional: 7457, independent unconditional: 17679, dependent: 222, dependent conditional: 65, dependent unconditional: 157, unknown: 2558, unknown conditional: 626, unknown unconditional: 1932] , Statistics on independence cache: Total cache size (in pairs): 2558, Positive cache size: 2490, Positive conditional cache size: 585, Positive unconditional cache size: 1905, Negative cache size: 68, Negative conditional cache size: 41, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1081 ], Independence queries for same thread: 4467 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35282, independent: 30561, independent conditional: 30535, independent unconditional: 26, dependent: 4721, dependent conditional: 4707, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30635, independent: 30561, independent conditional: 30535, independent unconditional: 26, dependent: 74, dependent conditional: 74, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30635, independent: 30561, independent conditional: 30535, independent unconditional: 26, dependent: 74, dependent conditional: 74, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30635, independent: 30561, independent conditional: 30535, independent unconditional: 26, dependent: 74, dependent conditional: 74, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30907, independent: 30561, independent conditional: 9805, independent unconditional: 20756, dependent: 346, dependent conditional: 164, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30907, independent: 30561, independent conditional: 9068, independent unconditional: 21493, dependent: 346, dependent conditional: 106, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30907, independent: 30561, independent conditional: 9068, independent unconditional: 21493, dependent: 346, dependent conditional: 106, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3430, independent: 3303, independent conditional: 863, independent unconditional: 2440, dependent: 127, dependent conditional: 66, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3430, independent: 3163, independent conditional: 0, independent unconditional: 3163, dependent: 267, dependent conditional: 0, dependent unconditional: 267, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 267, independent: 140, independent conditional: 71, independent unconditional: 69, dependent: 127, dependent conditional: 66, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 267, independent: 140, independent conditional: 71, independent unconditional: 69, dependent: 127, dependent conditional: 66, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 300, independent: 116, independent conditional: 39, independent unconditional: 77, dependent: 184, dependent conditional: 112, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 30907, independent: 27258, independent conditional: 8205, independent unconditional: 19053, dependent: 219, dependent conditional: 40, dependent unconditional: 179, unknown: 3430, unknown conditional: 929, unknown unconditional: 2501] , Statistics on independence cache: Total cache size (in pairs): 3430, Positive cache size: 3303, Positive conditional cache size: 863, Positive unconditional cache size: 2440, Negative cache size: 127, Negative conditional cache size: 66, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 795, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30907, independent: 30561, independent conditional: 9805, independent unconditional: 20756, dependent: 346, dependent conditional: 164, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30907, independent: 30561, independent conditional: 9068, independent unconditional: 21493, dependent: 346, dependent conditional: 106, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30907, independent: 30561, independent conditional: 9068, independent unconditional: 21493, dependent: 346, dependent conditional: 106, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3430, independent: 3303, independent conditional: 863, independent unconditional: 2440, dependent: 127, dependent conditional: 66, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3430, independent: 3163, independent conditional: 0, independent unconditional: 3163, dependent: 267, dependent conditional: 0, dependent unconditional: 267, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 267, independent: 140, independent conditional: 71, independent unconditional: 69, dependent: 127, dependent conditional: 66, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 267, independent: 140, independent conditional: 71, independent unconditional: 69, dependent: 127, dependent conditional: 66, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 300, independent: 116, independent conditional: 39, independent unconditional: 77, dependent: 184, dependent conditional: 112, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 30907, independent: 27258, independent conditional: 8205, independent unconditional: 19053, dependent: 219, dependent conditional: 40, dependent unconditional: 179, unknown: 3430, unknown conditional: 929, unknown unconditional: 2501] , Statistics on independence cache: Total cache size (in pairs): 3430, Positive cache size: 3303, Positive conditional cache size: 863, Positive unconditional cache size: 2440, Negative cache size: 127, Negative conditional cache size: 66, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 795 ], Independence queries for same thread: 4647 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 61510, independent: 54049, independent conditional: 53990, independent unconditional: 59, dependent: 7461, dependent conditional: 7440, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54196, independent: 54049, independent conditional: 53990, independent unconditional: 59, dependent: 147, dependent conditional: 147, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54196, independent: 54049, independent conditional: 53990, independent unconditional: 59, dependent: 147, dependent conditional: 147, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 54196, independent: 54049, independent conditional: 53990, independent unconditional: 59, dependent: 147, dependent conditional: 147, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55101, independent: 54049, independent conditional: 16016, independent unconditional: 38033, dependent: 1052, dependent conditional: 665, dependent unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55101, independent: 54049, independent conditional: 13666, independent unconditional: 40383, dependent: 1052, dependent conditional: 481, dependent unconditional: 571, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55101, independent: 54049, independent conditional: 13666, independent unconditional: 40383, dependent: 1052, dependent conditional: 481, dependent unconditional: 571, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5032, independent: 4776, independent conditional: 1321, independent unconditional: 3455, dependent: 256, dependent conditional: 172, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5032, independent: 4563, independent conditional: 0, independent unconditional: 4563, dependent: 469, dependent conditional: 0, dependent unconditional: 469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 469, independent: 213, independent conditional: 118, independent unconditional: 95, dependent: 256, dependent conditional: 172, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 469, independent: 213, independent conditional: 118, independent unconditional: 95, dependent: 256, dependent conditional: 172, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 609, independent: 188, independent conditional: 85, independent unconditional: 103, dependent: 421, dependent conditional: 329, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 55101, independent: 49273, independent conditional: 12345, independent unconditional: 36928, dependent: 796, dependent conditional: 309, dependent unconditional: 487, unknown: 5032, unknown conditional: 1493, unknown unconditional: 3539] , Statistics on independence cache: Total cache size (in pairs): 5032, Positive cache size: 4776, Positive conditional cache size: 1321, Positive unconditional cache size: 3455, Negative cache size: 256, Negative conditional cache size: 172, Negative unconditional cache size: 84, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2534, Maximal queried relation: 10, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55101, independent: 54049, independent conditional: 16016, independent unconditional: 38033, dependent: 1052, dependent conditional: 665, dependent unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55101, independent: 54049, independent conditional: 13666, independent unconditional: 40383, dependent: 1052, dependent conditional: 481, dependent unconditional: 571, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55101, independent: 54049, independent conditional: 13666, independent unconditional: 40383, dependent: 1052, dependent conditional: 481, dependent unconditional: 571, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5032, independent: 4776, independent conditional: 1321, independent unconditional: 3455, dependent: 256, dependent conditional: 172, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5032, independent: 4563, independent conditional: 0, independent unconditional: 4563, dependent: 469, dependent conditional: 0, dependent unconditional: 469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 469, independent: 213, independent conditional: 118, independent unconditional: 95, dependent: 256, dependent conditional: 172, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 469, independent: 213, independent conditional: 118, independent unconditional: 95, dependent: 256, dependent conditional: 172, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 609, independent: 188, independent conditional: 85, independent unconditional: 103, dependent: 421, dependent conditional: 329, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 55101, independent: 49273, independent conditional: 12345, independent unconditional: 36928, dependent: 796, dependent conditional: 309, dependent unconditional: 487, unknown: 5032, unknown conditional: 1493, unknown unconditional: 3539] , Statistics on independence cache: Total cache size (in pairs): 5032, Positive cache size: 4776, Positive conditional cache size: 1321, Positive unconditional cache size: 3455, Negative cache size: 256, Negative conditional cache size: 172, Negative unconditional cache size: 84, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2534 ], Independence queries for same thread: 7314 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 82820, independent: 73123, independent conditional: 73064, independent unconditional: 59, dependent: 9697, dependent conditional: 9676, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 73286, independent: 73123, independent conditional: 73064, independent unconditional: 59, dependent: 163, dependent conditional: 163, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73286, independent: 73123, independent conditional: 73064, independent unconditional: 59, dependent: 163, dependent conditional: 163, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 73286, independent: 73123, independent conditional: 73064, independent unconditional: 59, dependent: 163, dependent conditional: 163, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74378, independent: 73123, independent conditional: 21204, independent unconditional: 51919, dependent: 1255, dependent conditional: 825, dependent unconditional: 430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 74378, independent: 73123, independent conditional: 18260, independent unconditional: 54863, dependent: 1255, dependent conditional: 562, dependent unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74378, independent: 73123, independent conditional: 18260, independent unconditional: 54863, dependent: 1255, dependent conditional: 562, dependent unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5739, independent: 5474, independent conditional: 1366, independent unconditional: 4108, dependent: 265, dependent conditional: 178, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5739, independent: 5245, independent conditional: 0, independent unconditional: 5245, dependent: 494, dependent conditional: 0, dependent unconditional: 494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 494, independent: 229, independent conditional: 118, independent unconditional: 111, dependent: 265, dependent conditional: 178, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 494, independent: 229, independent conditional: 118, independent unconditional: 111, dependent: 265, dependent conditional: 178, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 668, independent: 204, independent conditional: 85, independent unconditional: 119, dependent: 465, dependent conditional: 367, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 74378, independent: 67649, independent conditional: 16894, independent unconditional: 50755, dependent: 990, dependent conditional: 384, dependent unconditional: 606, unknown: 5739, unknown conditional: 1544, unknown unconditional: 4195] , Statistics on independence cache: Total cache size (in pairs): 5739, Positive cache size: 5474, Positive conditional cache size: 1366, Positive unconditional cache size: 4108, Negative cache size: 265, Negative conditional cache size: 178, Negative unconditional cache size: 87, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3207, Maximal queried relation: 11, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74378, independent: 73123, independent conditional: 21204, independent unconditional: 51919, dependent: 1255, dependent conditional: 825, dependent unconditional: 430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 74378, independent: 73123, independent conditional: 18260, independent unconditional: 54863, dependent: 1255, dependent conditional: 562, dependent unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74378, independent: 73123, independent conditional: 18260, independent unconditional: 54863, dependent: 1255, dependent conditional: 562, dependent unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5739, independent: 5474, independent conditional: 1366, independent unconditional: 4108, dependent: 265, dependent conditional: 178, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5739, independent: 5245, independent conditional: 0, independent unconditional: 5245, dependent: 494, dependent conditional: 0, dependent unconditional: 494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 494, independent: 229, independent conditional: 118, independent unconditional: 111, dependent: 265, dependent conditional: 178, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 494, independent: 229, independent conditional: 118, independent unconditional: 111, dependent: 265, dependent conditional: 178, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 668, independent: 204, independent conditional: 85, independent unconditional: 119, dependent: 465, dependent conditional: 367, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 74378, independent: 67649, independent conditional: 16894, independent unconditional: 50755, dependent: 990, dependent conditional: 384, dependent unconditional: 606, unknown: 5739, unknown conditional: 1544, unknown unconditional: 4195] , Statistics on independence cache: Total cache size (in pairs): 5739, Positive cache size: 5474, Positive conditional cache size: 1366, Positive unconditional cache size: 4108, Negative cache size: 265, Negative conditional cache size: 178, Negative unconditional cache size: 87, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3207 ], Independence queries for same thread: 9534 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 208027, independent: 185299, independent conditional: 185083, independent unconditional: 216, dependent: 22728, dependent conditional: 22677, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 185704, independent: 185299, independent conditional: 185083, independent unconditional: 216, dependent: 405, dependent conditional: 405, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 185704, independent: 185299, independent conditional: 185083, independent unconditional: 216, dependent: 405, dependent conditional: 405, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 185704, independent: 185299, independent conditional: 185083, independent unconditional: 216, dependent: 405, dependent conditional: 405, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 188953, independent: 185299, independent conditional: 54276, independent unconditional: 131023, dependent: 3654, dependent conditional: 2687, dependent unconditional: 967, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 188953, independent: 185299, independent conditional: 48623, independent unconditional: 136676, dependent: 3654, dependent conditional: 1676, dependent unconditional: 1978, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 188953, independent: 185299, independent conditional: 48623, independent unconditional: 136676, dependent: 3654, dependent conditional: 1676, dependent unconditional: 1978, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8746, independent: 8034, independent conditional: 2019, independent unconditional: 6015, dependent: 712, dependent conditional: 568, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8746, independent: 7596, independent conditional: 0, independent unconditional: 7596, dependent: 1150, dependent conditional: 0, dependent unconditional: 1150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1150, independent: 438, independent conditional: 228, independent unconditional: 210, dependent: 712, dependent conditional: 568, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1150, independent: 438, independent conditional: 228, independent unconditional: 210, dependent: 712, dependent conditional: 568, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1255, independent: 285, independent conditional: 104, independent unconditional: 181, dependent: 970, dependent conditional: 815, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 188953, independent: 177265, independent conditional: 46604, independent unconditional: 130661, dependent: 2942, dependent conditional: 1108, dependent unconditional: 1834, unknown: 8746, unknown conditional: 2587, unknown unconditional: 6159] , Statistics on independence cache: Total cache size (in pairs): 8746, Positive cache size: 8034, Positive conditional cache size: 2019, Positive unconditional cache size: 6015, Negative cache size: 712, Negative conditional cache size: 568, Negative unconditional cache size: 144, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6664, Maximal queried relation: 19, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 188953, independent: 185299, independent conditional: 54276, independent unconditional: 131023, dependent: 3654, dependent conditional: 2687, dependent unconditional: 967, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 188953, independent: 185299, independent conditional: 48623, independent unconditional: 136676, dependent: 3654, dependent conditional: 1676, dependent unconditional: 1978, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 188953, independent: 185299, independent conditional: 48623, independent unconditional: 136676, dependent: 3654, dependent conditional: 1676, dependent unconditional: 1978, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8746, independent: 8034, independent conditional: 2019, independent unconditional: 6015, dependent: 712, dependent conditional: 568, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8746, independent: 7596, independent conditional: 0, independent unconditional: 7596, dependent: 1150, dependent conditional: 0, dependent unconditional: 1150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1150, independent: 438, independent conditional: 228, independent unconditional: 210, dependent: 712, dependent conditional: 568, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1150, independent: 438, independent conditional: 228, independent unconditional: 210, dependent: 712, dependent conditional: 568, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1255, independent: 285, independent conditional: 104, independent unconditional: 181, dependent: 970, dependent conditional: 815, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 188953, independent: 177265, independent conditional: 46604, independent unconditional: 130661, dependent: 2942, dependent conditional: 1108, dependent unconditional: 1834, unknown: 8746, unknown conditional: 2587, unknown unconditional: 6159] , Statistics on independence cache: Total cache size (in pairs): 8746, Positive cache size: 8034, Positive conditional cache size: 2019, Positive unconditional cache size: 6015, Negative cache size: 712, Negative conditional cache size: 568, Negative unconditional cache size: 144, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6664 ], Independence queries for same thread: 22323 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 271983, independent: 246064, independent conditional: 243477, independent unconditional: 2587, dependent: 25919, dependent conditional: 25564, dependent unconditional: 355, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246822, independent: 246064, independent conditional: 243477, independent unconditional: 2587, dependent: 758, dependent conditional: 748, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 246822, independent: 246064, independent conditional: 243477, independent unconditional: 2587, dependent: 758, dependent conditional: 748, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 246822, independent: 246064, independent conditional: 243477, independent unconditional: 2587, dependent: 758, dependent conditional: 748, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 256371, independent: 246064, independent conditional: 62980, independent unconditional: 183084, dependent: 10307, dependent conditional: 8350, dependent unconditional: 1957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 256371, independent: 246064, independent conditional: 52275, independent unconditional: 193789, dependent: 10307, dependent conditional: 4449, dependent unconditional: 5858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 256371, independent: 246064, independent conditional: 52275, independent unconditional: 193789, dependent: 10307, dependent conditional: 4449, dependent unconditional: 5858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10964, independent: 9860, independent conditional: 2562, independent unconditional: 7298, dependent: 1104, dependent conditional: 875, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10964, independent: 9267, independent conditional: 0, independent unconditional: 9267, dependent: 1697, dependent conditional: 0, dependent unconditional: 1697, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1697, independent: 593, independent conditional: 328, independent unconditional: 265, dependent: 1104, dependent conditional: 875, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1697, independent: 593, independent conditional: 328, independent unconditional: 265, dependent: 1104, dependent conditional: 875, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2007, independent: 432, independent conditional: 185, independent unconditional: 247, dependent: 1574, dependent conditional: 1327, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 256371, independent: 236204, independent conditional: 49713, independent unconditional: 186491, dependent: 9203, dependent conditional: 3574, dependent unconditional: 5629, unknown: 10964, unknown conditional: 3437, unknown unconditional: 7527] , Statistics on independence cache: Total cache size (in pairs): 10964, Positive cache size: 9860, Positive conditional cache size: 2562, Positive unconditional cache size: 7298, Negative cache size: 1104, Negative conditional cache size: 875, Negative unconditional cache size: 229, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14606, Maximal queried relation: 25, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 256371, independent: 246064, independent conditional: 62980, independent unconditional: 183084, dependent: 10307, dependent conditional: 8350, dependent unconditional: 1957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 256371, independent: 246064, independent conditional: 52275, independent unconditional: 193789, dependent: 10307, dependent conditional: 4449, dependent unconditional: 5858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 256371, independent: 246064, independent conditional: 52275, independent unconditional: 193789, dependent: 10307, dependent conditional: 4449, dependent unconditional: 5858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10964, independent: 9860, independent conditional: 2562, independent unconditional: 7298, dependent: 1104, dependent conditional: 875, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10964, independent: 9267, independent conditional: 0, independent unconditional: 9267, dependent: 1697, dependent conditional: 0, dependent unconditional: 1697, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1697, independent: 593, independent conditional: 328, independent unconditional: 265, dependent: 1104, dependent conditional: 875, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1697, independent: 593, independent conditional: 328, independent unconditional: 265, dependent: 1104, dependent conditional: 875, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2007, independent: 432, independent conditional: 185, independent unconditional: 247, dependent: 1574, dependent conditional: 1327, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 256371, independent: 236204, independent conditional: 49713, independent unconditional: 186491, dependent: 9203, dependent conditional: 3574, dependent unconditional: 5629, unknown: 10964, unknown conditional: 3437, unknown unconditional: 7527] , Statistics on independence cache: Total cache size (in pairs): 10964, Positive cache size: 9860, Positive conditional cache size: 2562, Positive unconditional cache size: 7298, Negative cache size: 1104, Negative conditional cache size: 875, Negative unconditional cache size: 229, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14606 ], Independence queries for same thread: 25161 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 565439, independent: 518927, independent conditional: 514855, independent unconditional: 4072, dependent: 46512, dependent conditional: 45970, dependent unconditional: 542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 520168, independent: 518927, independent conditional: 514855, independent unconditional: 4072, dependent: 1241, dependent conditional: 1225, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 520168, independent: 518927, independent conditional: 514855, independent unconditional: 4072, dependent: 1241, dependent conditional: 1225, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 520168, independent: 518927, independent conditional: 514855, independent unconditional: 4072, dependent: 1241, dependent conditional: 1225, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 539635, independent: 518927, independent conditional: 158298, independent unconditional: 360629, dependent: 20708, dependent conditional: 17659, dependent unconditional: 3049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 539635, independent: 518927, independent conditional: 140843, independent unconditional: 378084, dependent: 20708, dependent conditional: 9521, dependent unconditional: 11187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 539635, independent: 518927, independent conditional: 140843, independent unconditional: 378084, dependent: 20708, dependent conditional: 9521, dependent unconditional: 11187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16253, independent: 14050, independent conditional: 3913, independent unconditional: 10137, dependent: 2203, dependent conditional: 1904, dependent unconditional: 299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16253, independent: 13278, independent conditional: 0, independent unconditional: 13278, dependent: 2975, dependent conditional: 0, dependent unconditional: 2975, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2975, independent: 772, independent conditional: 444, independent unconditional: 328, dependent: 2203, dependent conditional: 1904, dependent unconditional: 299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2975, independent: 772, independent conditional: 444, independent unconditional: 328, dependent: 2203, dependent conditional: 1904, dependent unconditional: 299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4093, independent: 535, independent conditional: 221, independent unconditional: 314, dependent: 3558, dependent conditional: 3234, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 539635, independent: 504877, independent conditional: 136930, independent unconditional: 367947, dependent: 18505, dependent conditional: 7617, dependent unconditional: 10888, unknown: 16253, unknown conditional: 5817, unknown unconditional: 10436] , Statistics on independence cache: Total cache size (in pairs): 16253, Positive cache size: 14050, Positive conditional cache size: 3913, Positive unconditional cache size: 10137, Negative cache size: 2203, Negative conditional cache size: 1904, Negative unconditional cache size: 299, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25593, Maximal queried relation: 31, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 539635, independent: 518927, independent conditional: 158298, independent unconditional: 360629, dependent: 20708, dependent conditional: 17659, dependent unconditional: 3049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 539635, independent: 518927, independent conditional: 140843, independent unconditional: 378084, dependent: 20708, dependent conditional: 9521, dependent unconditional: 11187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 539635, independent: 518927, independent conditional: 140843, independent unconditional: 378084, dependent: 20708, dependent conditional: 9521, dependent unconditional: 11187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16253, independent: 14050, independent conditional: 3913, independent unconditional: 10137, dependent: 2203, dependent conditional: 1904, dependent unconditional: 299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16253, independent: 13278, independent conditional: 0, independent unconditional: 13278, dependent: 2975, dependent conditional: 0, dependent unconditional: 2975, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2975, independent: 772, independent conditional: 444, independent unconditional: 328, dependent: 2203, dependent conditional: 1904, dependent unconditional: 299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2975, independent: 772, independent conditional: 444, independent unconditional: 328, dependent: 2203, dependent conditional: 1904, dependent unconditional: 299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4093, independent: 535, independent conditional: 221, independent unconditional: 314, dependent: 3558, dependent conditional: 3234, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 539635, independent: 504877, independent conditional: 136930, independent unconditional: 367947, dependent: 18505, dependent conditional: 7617, dependent unconditional: 10888, unknown: 16253, unknown conditional: 5817, unknown unconditional: 10436] , Statistics on independence cache: Total cache size (in pairs): 16253, Positive cache size: 14050, Positive conditional cache size: 3913, Positive unconditional cache size: 10137, Negative cache size: 2203, Negative conditional cache size: 1904, Negative unconditional cache size: 299, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25593 ], Independence queries for same thread: 45271 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 685155, independent: 629912, independent conditional: 625840, independent unconditional: 4072, dependent: 55243, dependent conditional: 54701, dependent unconditional: 542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 631233, independent: 629912, independent conditional: 625840, independent unconditional: 4072, dependent: 1321, dependent conditional: 1305, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 631233, independent: 629912, independent conditional: 625840, independent unconditional: 4072, dependent: 1321, dependent conditional: 1305, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 631233, independent: 629912, independent conditional: 625840, independent unconditional: 4072, dependent: 1321, dependent conditional: 1305, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 652003, independent: 629912, independent conditional: 191732, independent unconditional: 438180, dependent: 22091, dependent conditional: 18857, dependent unconditional: 3234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 652003, independent: 629912, independent conditional: 173222, independent unconditional: 456690, dependent: 22091, dependent conditional: 10007, dependent unconditional: 12084, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 652003, independent: 629912, independent conditional: 173222, independent unconditional: 456690, dependent: 22091, dependent conditional: 10007, dependent unconditional: 12084, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18008, independent: 15734, independent conditional: 4174, independent unconditional: 11560, dependent: 2274, dependent conditional: 1957, dependent unconditional: 317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18008, independent: 14849, independent conditional: 0, independent unconditional: 14849, dependent: 3159, dependent conditional: 0, dependent unconditional: 3159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3159, independent: 885, independent conditional: 481, independent unconditional: 404, dependent: 2274, dependent conditional: 1957, dependent unconditional: 317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3159, independent: 885, independent conditional: 481, independent unconditional: 404, dependent: 2274, dependent conditional: 1957, dependent unconditional: 317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4055, independent: 611, independent conditional: 225, independent unconditional: 386, dependent: 3444, dependent conditional: 3093, dependent unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 652003, independent: 614178, independent conditional: 169048, independent unconditional: 445130, dependent: 19817, dependent conditional: 8050, dependent unconditional: 11767, unknown: 18008, unknown conditional: 6131, unknown unconditional: 11877] , Statistics on independence cache: Total cache size (in pairs): 18008, Positive cache size: 15734, Positive conditional cache size: 4174, Positive unconditional cache size: 11560, Negative cache size: 2274, Negative conditional cache size: 1957, Negative unconditional cache size: 317, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27360, Maximal queried relation: 32, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 652003, independent: 629912, independent conditional: 191732, independent unconditional: 438180, dependent: 22091, dependent conditional: 18857, dependent unconditional: 3234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 652003, independent: 629912, independent conditional: 173222, independent unconditional: 456690, dependent: 22091, dependent conditional: 10007, dependent unconditional: 12084, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 652003, independent: 629912, independent conditional: 173222, independent unconditional: 456690, dependent: 22091, dependent conditional: 10007, dependent unconditional: 12084, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18008, independent: 15734, independent conditional: 4174, independent unconditional: 11560, dependent: 2274, dependent conditional: 1957, dependent unconditional: 317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18008, independent: 14849, independent conditional: 0, independent unconditional: 14849, dependent: 3159, dependent conditional: 0, dependent unconditional: 3159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3159, independent: 885, independent conditional: 481, independent unconditional: 404, dependent: 2274, dependent conditional: 1957, dependent unconditional: 317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3159, independent: 885, independent conditional: 481, independent unconditional: 404, dependent: 2274, dependent conditional: 1957, dependent unconditional: 317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4055, independent: 611, independent conditional: 225, independent unconditional: 386, dependent: 3444, dependent conditional: 3093, dependent unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 652003, independent: 614178, independent conditional: 169048, independent unconditional: 445130, dependent: 19817, dependent conditional: 8050, dependent unconditional: 11767, unknown: 18008, unknown conditional: 6131, unknown unconditional: 11877] , Statistics on independence cache: Total cache size (in pairs): 18008, Positive cache size: 15734, Positive conditional cache size: 4174, Positive unconditional cache size: 11560, Negative cache size: 2274, Negative conditional cache size: 1957, Negative unconditional cache size: 317, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27360 ], Independence queries for same thread: 53922 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 654884, independent: 599818, independent conditional: 596186, independent unconditional: 3632, dependent: 55066, dependent conditional: 54587, dependent unconditional: 479, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 601178, independent: 599818, independent conditional: 596186, independent unconditional: 3632, dependent: 1360, dependent conditional: 1342, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 601178, independent: 599818, independent conditional: 596186, independent unconditional: 3632, dependent: 1360, dependent conditional: 1342, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 601178, independent: 599818, independent conditional: 596186, independent unconditional: 3632, dependent: 1360, dependent conditional: 1342, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 618414, independent: 599818, independent conditional: 170608, independent unconditional: 429210, dependent: 18596, dependent conditional: 15176, dependent unconditional: 3420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 618414, independent: 599818, independent conditional: 156387, independent unconditional: 443431, dependent: 18596, dependent conditional: 8447, dependent unconditional: 10149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 618414, independent: 599818, independent conditional: 156387, independent unconditional: 443431, dependent: 18596, dependent conditional: 8447, dependent unconditional: 10149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20079, independent: 17627, independent conditional: 4743, independent unconditional: 12884, dependent: 2452, dependent conditional: 2064, dependent unconditional: 388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20080, independent: 16533, independent conditional: 0, independent unconditional: 16533, dependent: 3547, dependent conditional: 0, dependent unconditional: 3547, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3546, independent: 1094, independent conditional: 601, independent unconditional: 493, dependent: 2452, dependent conditional: 2064, dependent unconditional: 388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3546, independent: 1094, independent conditional: 601, independent unconditional: 493, dependent: 2452, dependent conditional: 2064, dependent unconditional: 388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4009, independent: 760, independent conditional: 311, independent unconditional: 449, dependent: 3249, dependent conditional: 2845, dependent unconditional: 405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 618414, independent: 582191, independent conditional: 151644, independent unconditional: 430547, dependent: 16144, dependent conditional: 6383, dependent unconditional: 9761, unknown: 20079, unknown conditional: 6807, unknown unconditional: 13272] , Statistics on independence cache: Total cache size (in pairs): 20079, Positive cache size: 17627, Positive conditional cache size: 4743, Positive unconditional cache size: 12884, Negative cache size: 2452, Negative conditional cache size: 2064, Negative unconditional cache size: 388, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20950, Maximal queried relation: 26, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 618414, independent: 599818, independent conditional: 170608, independent unconditional: 429210, dependent: 18596, dependent conditional: 15176, dependent unconditional: 3420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 618414, independent: 599818, independent conditional: 156387, independent unconditional: 443431, dependent: 18596, dependent conditional: 8447, dependent unconditional: 10149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 618414, independent: 599818, independent conditional: 156387, independent unconditional: 443431, dependent: 18596, dependent conditional: 8447, dependent unconditional: 10149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20079, independent: 17627, independent conditional: 4743, independent unconditional: 12884, dependent: 2452, dependent conditional: 2064, dependent unconditional: 388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20080, independent: 16533, independent conditional: 0, independent unconditional: 16533, dependent: 3547, dependent conditional: 0, dependent unconditional: 3547, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3546, independent: 1094, independent conditional: 601, independent unconditional: 493, dependent: 2452, dependent conditional: 2064, dependent unconditional: 388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3546, independent: 1094, independent conditional: 601, independent unconditional: 493, dependent: 2452, dependent conditional: 2064, dependent unconditional: 388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4009, independent: 760, independent conditional: 311, independent unconditional: 449, dependent: 3249, dependent conditional: 2845, dependent unconditional: 405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 618414, independent: 582191, independent conditional: 151644, independent unconditional: 430547, dependent: 16144, dependent conditional: 6383, dependent unconditional: 9761, unknown: 20079, unknown conditional: 6807, unknown unconditional: 13272] , Statistics on independence cache: Total cache size (in pairs): 20079, Positive cache size: 17627, Positive conditional cache size: 4743, Positive unconditional cache size: 12884, Negative cache size: 2452, Negative conditional cache size: 2064, Negative unconditional cache size: 388, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20950 ], Independence queries for same thread: 53706 - TimeoutResultAtElement [Line: 691]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while XnfDer was eliminating 1 quantified variables from 5 xjuncts. - TimeoutResultAtElement [Line: 714]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while XnfDer was eliminating 1 quantified variables from 5 xjuncts. - TimeoutResultAtElement [Line: 714]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while XnfDer was eliminating 1 quantified variables from 5 xjuncts. - TimeoutResultAtElement [Line: 691]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while XnfDer was eliminating 1 quantified variables from 5 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 289 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 391 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 297 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 40/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 9 procedures, 493 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 989 NumberOfCodeBlocks, 989 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1173 ConstructedInterpolants, 90 QuantifiedInterpolants, 7181 SizeOfPredicates, 29 NumberOfNonLiveVariables, 759 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 430/540 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 11 procedures, 595 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1634 NumberOfCodeBlocks, 1634 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2035 ConstructedInterpolants, 0 QuantifiedInterpolants, 8550 SizeOfPredicates, 36 NumberOfNonLiveVariables, 1385 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 1105/1200 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 5 thread instances CFG has 13 procedures, 697 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 2262 NumberOfCodeBlocks, 2262 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2898 ConstructedInterpolants, 0 QuantifiedInterpolants, 11421 SizeOfPredicates, 45 NumberOfNonLiveVariables, 1989 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 2125/2250 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 6 thread instances CFG has 15 procedures, 799 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 3046 NumberOfCodeBlocks, 3046 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3988 ConstructedInterpolants, 0 QuantifiedInterpolants, 14987 SizeOfPredicates, 54 NumberOfNonLiveVariables, 2790 ConjunctsInSsa, 146 ConjunctsInUnsatCore, 21 InterpolantComputations, 3 PerfectInterpolantSequences, 3550/3780 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 7 thread instances CFG has 17 procedures, 901 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 2.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 2747 NumberOfCodeBlocks, 2619 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3448 ConstructedInterpolants, 82 QuantifiedInterpolants, 16334 SizeOfPredicates, 38 NumberOfNonLiveVariables, 1945 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 3140/3675 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 8 thread instances CFG has 19 procedures, 1003 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 21.4s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 5.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 137, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 4570 NumberOfCodeBlocks, 4442 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 5814 ConstructedInterpolants, 28 QuantifiedInterpolants, 28497 SizeOfPredicates, 55 NumberOfNonLiveVariables, 3445 ConjunctsInSsa, 155 ConjunctsInUnsatCore, 23 InterpolantComputations, 5 PerfectInterpolantSequences, 6435/7360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 9 thread instances CFG has 21 procedures, 1105 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 25.2s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 5.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 5651 NumberOfCodeBlocks, 5523 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 7326 ConstructedInterpolants, 28 QuantifiedInterpolants, 33987 SizeOfPredicates, 64 NumberOfNonLiveVariables, 4478 ConjunctsInSsa, 177 ConjunctsInUnsatCore, 26 InterpolantComputations, 5 PerfectInterpolantSequences, 9505/10530 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 10 thread instances CFG has 23 procedures, 1207 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 44.1s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 10.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 211, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 14.8s InterpolantComputationTime, 10911 NumberOfCodeBlocks, 10649 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 13675 ConstructedInterpolants, 0 QuantifiedInterpolants, 53810 SizeOfPredicates, 103 NumberOfNonLiveVariables, 8986 ConjunctsInSsa, 328 ConjunctsInUnsatCore, 42 InterpolantComputations, 10 PerfectInterpolantSequences, 19290/21000 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 11 thread instances CFG has 25 procedures, 1309 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 85.0s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 50, EmptinessCheckTime: 16.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 330, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 32.3s InterpolantComputationTime, 15503 NumberOfCodeBlocks, 15398 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 20703 ConstructedInterpolants, 392 QuantifiedInterpolants, 122750 SizeOfPredicates, 178 NumberOfNonLiveVariables, 13656 ConjunctsInSsa, 502 ConjunctsInUnsatCore, 66 InterpolantComputations, 12 PerfectInterpolantSequences, 31545/39930 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 12 thread instances CFG has 27 procedures, 1411 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 225.1s, OverallIterations: 36, TraceHistogramMax: 0, PathProgramHistogramMax: 60, EmptinessCheckTime: 132.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 453, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 37.3s InterpolantComputationTime, 20768 NumberOfCodeBlocks, 20308 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 27404 ConstructedInterpolants, 169 QuantifiedInterpolants, 123498 SizeOfPredicates, 176 NumberOfNonLiveVariables, 16346 ConjunctsInSsa, 514 ConjunctsInUnsatCore, 71 InterpolantComputations, 17 PerfectInterpolantSequences, 45365/51120 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 13 thread instances CFG has 29 procedures, 1513 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 217.2s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 62, EmptinessCheckTime: 102.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 487, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 44.2s InterpolantComputationTime, 23225 NumberOfCodeBlocks, 22732 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 30790 ConstructedInterpolants, 203 QuantifiedInterpolants, 136691 SizeOfPredicates, 186 NumberOfNonLiveVariables, 18465 ConjunctsInSsa, 543 ConjunctsInUnsatCore, 74 InterpolantComputations, 17 PerfectInterpolantSequences, 56280/62530 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 14 thread instances CFG has 31 procedures, 1615 locations, 32 error locations. Started 1 CEGAR loops. OverallTime: 145.0s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 54, EmptinessCheckTime: 32.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 384, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 37.7s InterpolantComputationTime, 22295 NumberOfCodeBlocks, 21287 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 29880 ConstructedInterpolants, 59 QuantifiedInterpolants, 116619 SizeOfPredicates, 161 NumberOfNonLiveVariables, 16433 ConjunctsInSsa, 437 ConjunctsInUnsatCore, 66 InterpolantComputations, 15 PerfectInterpolantSequences, 59595/64680 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown