/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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 04:14:20,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 04:14:20,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 04:14:20,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 04:14:20,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 04:14:20,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 04:14:20,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 04:14:20,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 04:14:20,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 04:14:20,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 04:14:20,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 04:14:20,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 04:14:20,266 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 04:14:20,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 04:14:20,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 04:14:20,267 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 04:14:20,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 04:14:20,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 04:14:20,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 04:14:20,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 04:14:20,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 04:14:20,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 04:14:20,269 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 04:14:20,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 04:14:20,270 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 04:14:20,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 04:14:20,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 04:14:20,271 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 04:14:20,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 04:14:20,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 04:14:20,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 04:14:20,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 04:14:20,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 04:14:20,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 04:14:20,273 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 04:14:20,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 04:14:20,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 04:14:20,274 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 04:14:20,274 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 04:14:20,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-04-04 04:14:20,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 04:14:20,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 04:14:20,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 04:14:20,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 04:14:20,522 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 04:14:20,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2024-04-04 04:14:21,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 04:14:21,980 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 04:14:21,980 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2024-04-04 04:14:22,008 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d3b9b4cce/866a2b448be34b79a7b8561643a3865c/FLAGbc82b1874 [2024-04-04 04:14:22,022 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d3b9b4cce/866a2b448be34b79a7b8561643a3865c [2024-04-04 04:14:22,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 04:14:22,025 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 04:14:22,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 04:14:22,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 04:14:22,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 04:14:22,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4065b89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22, skipping insertion in model container [2024-04-04 04:14:22,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,097 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 04:14:22,441 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i[41529,41542] [2024-04-04 04:14:22,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 04:14:22,477 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 04:14:22,548 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i[41529,41542] [2024-04-04 04:14:22,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 04:14:22,613 INFO L206 MainTranslator]: Completed translation [2024-04-04 04:14:22,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22 WrapperNode [2024-04-04 04:14:22,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 04:14:22,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 04:14:22,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 04:14:22,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 04:14:22,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,661 INFO L138 Inliner]: procedures = 278, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 154 [2024-04-04 04:14:22,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 04:14:22,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 04:14:22,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 04:14:22,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 04:14:22,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 04:14:22,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 04:14:22,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 04:14:22,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 04:14:22,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22" (1/1) ... [2024-04-04 04:14:22,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 04:14:22,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:14:22,745 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) [2024-04-04 04:14:22,747 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 [2024-04-04 04:14:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-04-04 04:14:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-04-04 04:14:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-04-04 04:14:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-04-04 04:14:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 04:14:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 04:14:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-04 04:14:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 04:14:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 04:14:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-04 04:14:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 04:14:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 04:14:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 04:14:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 04:14:22,803 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 04:14:22,929 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 04:14:22,930 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 04:14:23,125 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 04:14:23,154 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 04:14:23,154 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-04 04:14:23,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 04:14:23 BoogieIcfgContainer [2024-04-04 04:14:23,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 04:14:23,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 04:14:23,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 04:14:23,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 04:14:23,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 04:14:22" (1/3) ... [2024-04-04 04:14:23,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef4440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 04:14:23, skipping insertion in model container [2024-04-04 04:14:23,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:14:22" (2/3) ... [2024-04-04 04:14:23,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef4440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 04:14:23, skipping insertion in model container [2024-04-04 04:14:23,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 04:14:23" (3/3) ... [2024-04-04 04:14:23,162 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2024-04-04 04:14:23,169 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 04:14:23,176 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 04:14:23,176 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-04-04 04:14:23,176 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 04:14:23,255 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 04:14:23,292 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 04:14:23,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 04:14:23,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:14:23,295 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) [2024-04-04 04:14:23,296 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 [2024-04-04 04:14:23,324 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 04:14:23,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:14:23,340 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 04:14:23,346 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;@7355f13c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 04:14:23,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-04 04:14:23,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:14:23,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:14:23,429 INFO L85 PathProgramCache]: Analyzing trace with hash 875694441, now seen corresponding path program 1 times [2024-04-04 04:14:23,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:14:23,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472677180] [2024-04-04 04:14:23,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:14:23,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:14:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:14:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:14:23,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:14:23,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472677180] [2024-04-04 04:14:23,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472677180] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:14:23,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:14:23,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 04:14:23,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890062696] [2024-04-04 04:14:23,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:14:23,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 04:14:23,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:14:23,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 04:14:23,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 04:14:23,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:23,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:14:23,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 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) [2024-04-04 04:14:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:23,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:23,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 04:14:23,785 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:14:23,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:14:23,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1585094289, now seen corresponding path program 1 times [2024-04-04 04:14:23,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:14:23,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016125134] [2024-04-04 04:14:23,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:14:23,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:14:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:14:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:14:24,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:14:24,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016125134] [2024-04-04 04:14:24,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016125134] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:14:24,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:14:24,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 04:14:24,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645097691] [2024-04-04 04:14:24,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:14:24,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 04:14:24,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:14:24,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 04:14:24,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 04:14:24,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:24,051 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:14:24,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-04-04 04:14:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:24,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:24,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:24,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 04:14:24,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:14:24,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:14:24,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1074967772, now seen corresponding path program 1 times [2024-04-04 04:14:24,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:14:24,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11644739] [2024-04-04 04:14:24,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:14:24,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:14:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:14:24,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:14:24,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:14:24,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11644739] [2024-04-04 04:14:24,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11644739] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:14:24,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:14:24,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-04 04:14:24,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049174507] [2024-04-04 04:14:24,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:14:24,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-04 04:14:24,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:14:24,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-04 04:14:24,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-04 04:14:24,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:24,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:14:24,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2024-04-04 04:14:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:24,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:24,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 04:14:24,353 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:14:24,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:14:24,353 INFO L85 PathProgramCache]: Analyzing trace with hash 337692728, now seen corresponding path program 1 times [2024-04-04 04:14:24,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:14:24,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652675521] [2024-04-04 04:14:24,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:14:24,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:14:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:14:24,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:14:24,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:14:24,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652675521] [2024-04-04 04:14:24,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652675521] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:14:24,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:14:24,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 04:14:24,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953084076] [2024-04-04 04:14:24,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:14:24,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 04:14:24,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:14:24,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 04:14:24,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 04:14:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:24,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:14:24,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2024-04-04 04:14:24,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:24,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:24,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:24,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:24,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:24,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:24,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-04 04:14:24,574 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:14:24,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:14:24,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1379625732, now seen corresponding path program 1 times [2024-04-04 04:14:24,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:14:24,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138408965] [2024-04-04 04:14:24,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:14:24,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:14:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:14:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:14:26,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:14:26,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138408965] [2024-04-04 04:14:26,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138408965] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:14:26,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:14:26,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-04-04 04:14:26,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009407221] [2024-04-04 04:14:26,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:14:26,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-04 04:14:26,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:14:26,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-04 04:14:26,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2024-04-04 04:14:26,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:26,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:14:26,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.136363636363637) internal successors, (113), 22 states have internal predecessors, (113), 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) [2024-04-04 04:14:26,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:26,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:26,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:26,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:26,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:27,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:27,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:27,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:27,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 04:14:27,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 04:14:27,670 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:14:27,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:14:27,671 INFO L85 PathProgramCache]: Analyzing trace with hash -887503154, now seen corresponding path program 1 times [2024-04-04 04:14:27,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:14:27,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400554822] [2024-04-04 04:14:27,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:14:27,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:14:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:14:27,835 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:14:27,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:14:27,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400554822] [2024-04-04 04:14:27,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400554822] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:14:27,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473168376] [2024-04-04 04:14:27,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:14:27,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:14:27,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:14:27,886 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 04:14:27,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 04:14:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:14:28,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-04 04:14:28,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 04:14:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-04 04:14:28,246 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 04:14:28,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473168376] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:14:28,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 04:14:28,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-04-04 04:14:28,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170240646] [2024-04-04 04:14:28,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:14:28,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 04:14:28,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:14:28,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 04:14:28,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-04-04 04:14:28,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:28,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:14:28,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 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) [2024-04-04 04:14:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 04:14:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:28,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:28,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:28,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:28,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:28,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:14:28,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:14:28,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 04:14:28,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-04 04:14:28,619 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:14:28,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:14:28,619 INFO L85 PathProgramCache]: Analyzing trace with hash 966688031, now seen corresponding path program 1 times [2024-04-04 04:14:28,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:14:28,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611386716] [2024-04-04 04:14:28,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:14:28,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:14:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:14:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-04 04:14:31,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:14:31,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611386716] [2024-04-04 04:14:31,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611386716] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:14:31,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823026] [2024-04-04 04:14:31,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:14:31,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:14:31,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:14:31,641 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 04:14:31,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 04:14:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:14:31,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 59 conjunts are in the unsatisfiable core [2024-04-04 04:14:31,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 04:14:32,934 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-04-04 04:14:34,121 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 04:14:34,122 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 34 treesize of output 13 [2024-04-04 04:14:34,340 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 39 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 04:14:34,341 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 04:14:35,347 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 57 treesize of output 48 [2024-04-04 04:14:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 48 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 04:14:36,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823026] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 04:14:36,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 04:14:36,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 28, 27] total 84 [2024-04-04 04:14:36,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127937244] [2024-04-04 04:14:36,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 04:14:36,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-04-04 04:14:36,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:14:36,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-04-04 04:14:36,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=6550, Unknown=0, NotChecked=0, Total=6972 [2024-04-04 04:14:36,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:36,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:14:36,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.119047619047619) internal successors, (514), 84 states have internal predecessors, (514), 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) [2024-04-04 04:14:36,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:36,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:36,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:36,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:36,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:14:36,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:14:36,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:43,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:43,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:43,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:43,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:43,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:14:43,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:14:43,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-04 04:14:43,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 04:14:43,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:14:43,908 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:14:43,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:14:43,909 INFO L85 PathProgramCache]: Analyzing trace with hash 323056318, now seen corresponding path program 2 times [2024-04-04 04:14:43,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:14:43,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773993826] [2024-04-04 04:14:43,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:14:43,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:14:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:14:44,122 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-04-04 04:14:44,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:14:44,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773993826] [2024-04-04 04:14:44,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773993826] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:14:44,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:14:44,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 04:14:44,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973106879] [2024-04-04 04:14:44,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:14:44,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 04:14:44,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:14:44,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 04:14:44,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 04:14:44,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:44,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:14:44,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 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) [2024-04-04 04:14:44,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:44,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:44,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:44,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:44,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:14:44,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:14:44,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-04 04:14:44,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:14:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:14:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 04:14:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:44,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-04-04 04:14:44,519 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:14:44,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:14:44,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1570813506, now seen corresponding path program 2 times [2024-04-04 04:14:44,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:14:44,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106284120] [2024-04-04 04:14:44,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:14:44,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:14:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:14:46,803 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 86 proven. 190 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 04:14:46,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:14:46,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106284120] [2024-04-04 04:14:46,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106284120] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:14:46,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970845067] [2024-04-04 04:14:46,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 04:14:46,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:14:46,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:14:46,806 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) [2024-04-04 04:14:46,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 04:14:46,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-04 04:14:46,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 04:14:46,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 55 conjunts are in the unsatisfiable core [2024-04-04 04:14:46,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 04:14:47,739 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 23 treesize of output 1 [2024-04-04 04:14:48,330 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 34 treesize of output 10 [2024-04-04 04:14:48,493 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 98 proven. 44 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-04-04 04:14:48,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 04:14:49,119 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 54 treesize of output 46 [2024-04-04 04:14:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-04-04 04:14:49,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970845067] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-04 04:14:49,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-04 04:14:49,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [31, 23] total 71 [2024-04-04 04:14:49,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24664436] [2024-04-04 04:14:49,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:14:49,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-04 04:14:49,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:14:49,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-04 04:14:49,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=4744, Unknown=0, NotChecked=0, Total=4970 [2024-04-04 04:14:49,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:49,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:14:49,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.0) internal successors, (176), 22 states have internal predecessors, (176), 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) [2024-04-04 04:14:49,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:49,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:49,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:49,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:49,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:14:49,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:14:49,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 04:14:49,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:49,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:53,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:14:53,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:53,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:14:53,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:53,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:14:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:14:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:14:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:14:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:14:53,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 04:14:53,557 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 [2024-04-04 04:14:53,557 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:14:53,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:14:53,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1158385897, now seen corresponding path program 3 times [2024-04-04 04:14:53,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:14:53,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280381671] [2024-04-04 04:14:53,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:14:53,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:14:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:14:57,187 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 183 proven. 184 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-04-04 04:14:57,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:14:57,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280381671] [2024-04-04 04:14:57,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280381671] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:14:57,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110426718] [2024-04-04 04:14:57,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 04:14:57,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:14:57,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:14:57,192 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) [2024-04-04 04:14:57,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 04:14:57,356 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-04 04:14:57,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 04:14:57,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 77 conjunts are in the unsatisfiable core [2024-04-04 04:14:57,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 04:14:58,004 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 23 treesize of output 1 [2024-04-04 04:14:58,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:14:58,585 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 48 treesize of output 19 [2024-04-04 04:14:59,297 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 34 treesize of output 10 [2024-04-04 04:14:59,469 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 233 proven. 100 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-04-04 04:14:59,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 04:15:01,276 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 54 treesize of output 46 [2024-04-04 04:15:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 277 proven. 56 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-04-04 04:15:01,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110426718] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 04:15:01,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 04:15:01,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 31, 29] total 92 [2024-04-04 04:15:01,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999809131] [2024-04-04 04:15:01,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 04:15:01,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-04-04 04:15:01,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:15:01,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-04-04 04:15:01,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=8039, Unknown=0, NotChecked=0, Total=8372 [2024-04-04 04:15:01,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:01,925 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:15:01,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 8.25) internal successors, (759), 92 states have internal predecessors, (759), 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) [2024-04-04 04:15:01,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:01,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:01,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:15:01,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:01,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:15:01,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:01,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:01,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:01,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:01,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:15:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:15:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 04:15:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 04:15:12,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 04:15:12,220 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 [2024-04-04 04:15:12,220 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:15:12,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:15:12,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1742012507, now seen corresponding path program 3 times [2024-04-04 04:15:12,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:15:12,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268542802] [2024-04-04 04:15:12,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:15:12,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:15:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:15:12,735 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 70 proven. 247 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-04-04 04:15:12,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:15:12,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268542802] [2024-04-04 04:15:12,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268542802] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:15:12,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333045564] [2024-04-04 04:15:12,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 04:15:12,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:15:12,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:15:12,741 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) [2024-04-04 04:15:12,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 04:15:12,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 04:15:12,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 04:15:12,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-04 04:15:12,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 04:15:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 352 proven. 69 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-04 04:15:13,128 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 04:15:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 352 proven. 69 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-04 04:15:13,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333045564] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 04:15:13,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 04:15:13,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 18 [2024-04-04 04:15:13,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401500869] [2024-04-04 04:15:13,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 04:15:13,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 04:15:13,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:15:13,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 04:15:13,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-04-04 04:15:13,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:13,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:15:13,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 26.555555555555557) internal successors, (478), 18 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) [2024-04-04 04:15:13,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:13,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:13,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:15:13,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:13,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:15:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 04:15:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 04:15:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:15:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:15:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 04:15:20,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 04:15:20,440 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 [2024-04-04 04:15:20,441 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:15:20,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:15:20,441 INFO L85 PathProgramCache]: Analyzing trace with hash -136360259, now seen corresponding path program 1 times [2024-04-04 04:15:20,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:15:20,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774991661] [2024-04-04 04:15:20,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:15:20,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:15:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:15:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5140 backedges. 3001 proven. 0 refuted. 0 times theorem prover too weak. 2139 trivial. 0 not checked. [2024-04-04 04:15:20,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:15:20,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774991661] [2024-04-04 04:15:20,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774991661] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:15:20,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:15:20,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 04:15:20,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804306239] [2024-04-04 04:15:20,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:15:20,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 04:15:20,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:15:20,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 04:15:20,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-04 04:15:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:20,909 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:15:20,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 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) [2024-04-04 04:15:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:15:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:15:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 04:15:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:21,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:15:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:15:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 04:15:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:21,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-04-04 04:15:21,206 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:15:21,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:15:21,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1080002086, now seen corresponding path program 4 times [2024-04-04 04:15:21,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:15:21,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929295809] [2024-04-04 04:15:21,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:15:21,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:15:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:15:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3007 backedges. 326 proven. 1789 refuted. 0 times theorem prover too weak. 892 trivial. 0 not checked. [2024-04-04 04:15:23,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:15:23,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929295809] [2024-04-04 04:15:23,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929295809] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:15:23,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441066163] [2024-04-04 04:15:23,100 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 04:15:23,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:15:23,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:15:23,105 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 04:15:23,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 04:15:24,185 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 04:15:24,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 04:15:24,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 38 conjunts are in the unsatisfiable core [2024-04-04 04:15:24,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 04:15:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3007 backedges. 326 proven. 1681 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2024-04-04 04:15:24,936 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 04:15:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3007 backedges. 326 proven. 1681 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2024-04-04 04:15:25,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441066163] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 04:15:25,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 04:15:25,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 24 [2024-04-04 04:15:25,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939352333] [2024-04-04 04:15:25,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 04:15:25,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-04 04:15:25,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:15:25,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-04 04:15:25,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2024-04-04 04:15:25,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:25,691 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:15:25,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 24.541666666666668) internal successors, (589), 24 states have internal predecessors, (589), 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) [2024-04-04 04:15:25,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:25,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:25,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:15:25,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:25,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:15:25,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:25,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:25,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:25,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:25,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:25,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 04:15:25,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:25,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:15:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:15:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 04:15:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 04:15:26,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 04:15:26,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-04-04 04:15:26,333 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:15:26,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:15:26,333 INFO L85 PathProgramCache]: Analyzing trace with hash 226469527, now seen corresponding path program 1 times [2024-04-04 04:15:26,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:15:26,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554423947] [2024-04-04 04:15:26,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:15:26,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:15:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:15:27,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4985 backedges. 1870 proven. 2625 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-04-04 04:15:27,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:15:27,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554423947] [2024-04-04 04:15:27,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554423947] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:15:27,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932722379] [2024-04-04 04:15:27,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:15:27,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:15:27,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:15:27,616 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) [2024-04-04 04:15:27,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 04:15:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:15:27,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 1779 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 04:15:27,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 04:15:28,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4985 backedges. 1870 proven. 2625 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-04-04 04:15:28,619 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 04:15:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4985 backedges. 1870 proven. 2625 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-04-04 04:15:29,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932722379] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 04:15:29,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 04:15:29,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 38 [2024-04-04 04:15:29,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692925622] [2024-04-04 04:15:29,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 04:15:29,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-04-04 04:15:29,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:15:29,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-04-04 04:15:29,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=1026, Unknown=0, NotChecked=0, Total=1406 [2024-04-04 04:15:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:29,413 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:15:29,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 34.026315789473685) internal successors, (1293), 38 states have internal predecessors, (1293), 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) [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 04:15:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 04:15:30,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 04:15:30,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 04:15:30,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:15:30,423 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:15:30,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:15:30,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1410338318, now seen corresponding path program 2 times [2024-04-04 04:15:30,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:15:30,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066026414] [2024-04-04 04:15:30,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:15:30,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:15:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:15:34,369 INFO L134 CoverageAnalysis]: Checked inductivity of 15407 backedges. 4104 proven. 10778 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-04-04 04:15:34,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:15:34,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066026414] [2024-04-04 04:15:34,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066026414] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:15:34,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120611589] [2024-04-04 04:15:34,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 04:15:34,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:15:34,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:15:34,371 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) [2024-04-04 04:15:34,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 04:15:34,913 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 04:15:34,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 04:15:34,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 3039 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 04:15:34,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 04:15:36,131 INFO L134 CoverageAnalysis]: Checked inductivity of 15407 backedges. 4104 proven. 10778 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-04-04 04:15:36,132 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 04:15:38,162 INFO L134 CoverageAnalysis]: Checked inductivity of 15407 backedges. 4104 proven. 10778 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-04-04 04:15:38,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120611589] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 04:15:38,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 04:15:38,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 74 [2024-04-04 04:15:38,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573696613] [2024-04-04 04:15:38,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 04:15:38,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-04-04 04:15:38,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:15:38,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-04-04 04:15:38,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1406, Invalid=3996, Unknown=0, NotChecked=0, Total=5402 [2024-04-04 04:15:38,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:38,170 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:15:38,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 37.472972972972975) internal successors, (2773), 74 states have internal predecessors, (2773), 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) [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 04:15:38,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:15:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 04:15:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-04 04:15:41,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-04 04:15:41,213 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,SelfDestructingSolverStorable14 [2024-04-04 04:15:41,214 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:15:41,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:15:41,215 INFO L85 PathProgramCache]: Analyzing trace with hash 192726552, now seen corresponding path program 3 times [2024-04-04 04:15:41,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:15:41,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514008452] [2024-04-04 04:15:41,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:15:41,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:15:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:15:56,341 INFO L134 CoverageAnalysis]: Checked inductivity of 54233 backedges. 8208 proven. 45500 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-04-04 04:15:56,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:15:56,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514008452] [2024-04-04 04:15:56,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514008452] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:15:56,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855199727] [2024-04-04 04:15:56,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 04:15:56,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:15:56,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:15:56,344 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) [2024-04-04 04:15:56,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-04 04:20:09,602 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 42 check-sat command(s) [2024-04-04 04:20:09,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 04:20:09,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 5559 conjuncts, 154 conjunts are in the unsatisfiable core [2024-04-04 04:20:09,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 04:20:12,847 INFO L134 CoverageAnalysis]: Checked inductivity of 54233 backedges. 205 proven. 8528 refuted. 0 times theorem prover too weak. 45500 trivial. 0 not checked. [2024-04-04 04:20:12,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 04:20:16,015 INFO L134 CoverageAnalysis]: Checked inductivity of 54233 backedges. 205 proven. 8528 refuted. 0 times theorem prover too weak. 45500 trivial. 0 not checked. [2024-04-04 04:20:16,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855199727] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 04:20:16,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 04:20:16,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 16, 16] total 101 [2024-04-04 04:20:16,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418279799] [2024-04-04 04:20:16,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 04:20:16,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-04-04 04:20:16,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:20:16,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-04-04 04:20:16,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1582, Invalid=8518, Unknown=0, NotChecked=0, Total=10100 [2024-04-04 04:20:16,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:20:16,028 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:20:16,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 33.64356435643565) internal successors, (3398), 101 states have internal predecessors, (3398), 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) [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-04 04:20:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:20:30,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-04 04:20:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-04-04 04:20:30,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-04 04:20:30,540 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,SelfDestructingSolverStorable15 [2024-04-04 04:20:30,541 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 04:20:30,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:20:30,541 INFO L85 PathProgramCache]: Analyzing trace with hash 312867772, now seen corresponding path program 5 times [2024-04-04 04:20:30,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:20:30,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121161911] [2024-04-04 04:20:30,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:20:30,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:20:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:21:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 73281 backedges. 250 proven. 23301 refuted. 0 times theorem prover too weak. 49730 trivial. 0 not checked. [2024-04-04 04:21:25,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:21:25,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121161911] [2024-04-04 04:21:25,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121161911] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:21:25,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320146375] [2024-04-04 04:21:25,015 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 04:21:25,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:21:25,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:21:25,023 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) [2024-04-04 04:21:25,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 04:28:14,204 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) [2024-04-04 04:28:14,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 04:28:14,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 6376 conjuncts, 176 conjunts are in the unsatisfiable core [2024-04-04 04:28:14,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2024-04-04 04:28:16,202 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-04-04 04:28:16,231 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 [2024-04-04 04:28:16,231 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 04:28:16,231 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 [2024-04-04 04:28:16,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-04 04:28:16,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-04 04:28:16,403 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 3340 with TraceHistMax 51,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2024-04-04 04:28:16,404 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-04-04 04:28:16,405 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-04-04 04:28:16,405 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-04-04 04:28:16,405 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-04 04:28:16,405 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-04 04:28:16,411 INFO L445 BasicCegarLoop]: Path program histogram: [5, 3, 3, 1, 1, 1, 1, 1, 1] [2024-04-04 04:28:16,416 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 04:28:16,417 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 04:28:16,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 04:28:16 BasicIcfg [2024-04-04 04:28:16,419 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 04:28:16,419 INFO L158 Benchmark]: Toolchain (without parser) took 834394.11ms. Allocated memory was 278.9MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 207.6MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 137.4MB. Max. memory is 8.0GB. [2024-04-04 04:28:16,419 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 162.5MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 04:28:16,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.92ms. Allocated memory is still 278.9MB. Free memory was 207.4MB in the beginning and 234.1MB in the end (delta: -26.7MB). Peak memory consumption was 25.0MB. Max. memory is 8.0GB. [2024-04-04 04:28:16,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.87ms. Allocated memory is still 278.9MB. Free memory was 233.6MB in the beginning and 231.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-04 04:28:16,421 INFO L158 Benchmark]: Boogie Preprocessor took 39.27ms. Allocated memory is still 278.9MB. Free memory was 231.0MB in the beginning and 229.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 04:28:16,421 INFO L158 Benchmark]: RCFGBuilder took 444.56ms. Allocated memory is still 278.9MB. Free memory was 229.4MB in the beginning and 209.5MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-04-04 04:28:16,421 INFO L158 Benchmark]: TraceAbstraction took 833261.46ms. Allocated memory was 278.9MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 208.4MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 137.6MB. Max. memory is 8.0GB. [2024-04-04 04:28:16,423 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 162.5MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 587.92ms. Allocated memory is still 278.9MB. Free memory was 207.4MB in the beginning and 234.1MB in the end (delta: -26.7MB). Peak memory consumption was 25.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.87ms. Allocated memory is still 278.9MB. Free memory was 233.6MB in the beginning and 231.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.27ms. Allocated memory is still 278.9MB. Free memory was 231.0MB in the beginning and 229.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 444.56ms. Allocated memory is still 278.9MB. Free memory was 229.4MB in the beginning and 209.5MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 833261.46ms. Allocated memory was 278.9MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 208.4MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 137.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84860, independent: 62514, independent conditional: 62211, independent unconditional: 303, dependent: 22346, dependent conditional: 22158, dependent unconditional: 188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 62540, independent: 62514, independent conditional: 62211, independent unconditional: 303, dependent: 26, dependent conditional: 26, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62540, independent: 62514, independent conditional: 62211, independent unconditional: 303, dependent: 26, dependent conditional: 26, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 62540, independent: 62514, independent conditional: 62211, independent unconditional: 303, dependent: 26, dependent conditional: 26, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62752, independent: 62514, independent conditional: 17427, independent unconditional: 45087, dependent: 238, dependent conditional: 186, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 62752, independent: 62514, independent conditional: 9678, independent unconditional: 52836, dependent: 238, dependent conditional: 26, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62752, independent: 62514, independent conditional: 9678, independent unconditional: 52836, dependent: 238, dependent conditional: 26, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1171, independent: 1167, independent conditional: 19, independent unconditional: 1148, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1171, independent: 1165, independent conditional: 0, independent unconditional: 1165, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 7, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 62752, independent: 61347, independent conditional: 9659, independent unconditional: 51688, dependent: 234, dependent conditional: 24, dependent unconditional: 210, unknown: 1171, unknown conditional: 21, unknown unconditional: 1150] , Statistics on independence cache: Total cache size (in pairs): 1171, Positive cache size: 1167, Positive conditional cache size: 19, Positive unconditional cache size: 1148, Negative cache size: 4, Negative conditional cache size: 2, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7909, Maximal queried relation: 9, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62752, independent: 62514, independent conditional: 17427, independent unconditional: 45087, dependent: 238, dependent conditional: 186, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 62752, independent: 62514, independent conditional: 9678, independent unconditional: 52836, dependent: 238, dependent conditional: 26, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62752, independent: 62514, independent conditional: 9678, independent unconditional: 52836, dependent: 238, dependent conditional: 26, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1171, independent: 1167, independent conditional: 19, independent unconditional: 1148, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1171, independent: 1165, independent conditional: 0, independent unconditional: 1165, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 7, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 62752, independent: 61347, independent conditional: 9659, independent unconditional: 51688, dependent: 234, dependent conditional: 24, dependent unconditional: 210, unknown: 1171, unknown conditional: 21, unknown unconditional: 1150] , Statistics on independence cache: Total cache size (in pairs): 1171, Positive cache size: 1167, Positive conditional cache size: 19, Positive unconditional cache size: 1148, Negative cache size: 4, Negative conditional cache size: 2, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7909 ], Independence queries for same thread: 22320 - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 3340 with TraceHistMax 51,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 3340 with TraceHistMax 51,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 3340 with TraceHistMax 51,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 3340 with TraceHistMax 51,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 256 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 833.1s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 48.7s, 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: 875, 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, 255.1s SatisfiabilityAnalysisTime, 59.1s InterpolantComputationTime, 16605 NumberOfCodeBlocks, 16119 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 23900 ConstructedInterpolants, 48 QuantifiedInterpolants, 83542 SizeOfPredicates, 352 NumberOfNonLiveVariables, 13694 ConjunctsInSsa, 462 ConjunctsInUnsatCore, 33 InterpolantComputations, 9 PerfectInterpolantSequences, 133503/242516 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