/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/weaver/test-context1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 07:09:28,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 07:09:28,955 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 07:09:28,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 07:09:28,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 07:09:28,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 07:09:28,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 07:09:28,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 07:09:28,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 07:09:28,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 07:09:28,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 07:09:28,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 07:09:28,987 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 07:09:28,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 07:09:28,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 07:09:28,989 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 07:09:28,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 07:09:28,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 07:09:28,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 07:09:28,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 07:09:28,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 07:09:28,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 07:09:28,990 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 07:09:28,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 07:09:28,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 07:09:28,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 07:09:28,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 07:09:28,991 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 07:09:28,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 07:09:28,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 07:09:28,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 07:09:28,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 07:09:28,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 07:09:28,992 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 07:09:28,992 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 07:09:28,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 07:09:28,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 07:09:28,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 07:09:28,993 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 07:09:28,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-04-04 07:09:29,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 07:09:29,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 07:09:29,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 07:09:29,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 07:09:29,237 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 07:09:29,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-context1.wvr.c [2024-04-04 07:09:30,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 07:09:30,350 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 07:09:30,351 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.wvr.c [2024-04-04 07:09:30,358 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4e18712a4/2e9bb60ab2614ea39949dabd92e1df09/FLAGf36bd509a [2024-04-04 07:09:30,369 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4e18712a4/2e9bb60ab2614ea39949dabd92e1df09 [2024-04-04 07:09:30,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 07:09:30,372 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 07:09:30,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 07:09:30,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 07:09:30,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 07:09:30,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b955ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30, skipping insertion in model container [2024-04-04 07:09:30,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 07:09:30,545 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.wvr.c[2433,2446] [2024-04-04 07:09:30,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 07:09:30,573 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 07:09:30,587 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.wvr.c[2433,2446] [2024-04-04 07:09:30,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 07:09:30,595 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 07:09:30,595 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 07:09:30,600 INFO L206 MainTranslator]: Completed translation [2024-04-04 07:09:30,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30 WrapperNode [2024-04-04 07:09:30,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 07:09:30,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 07:09:30,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 07:09:30,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 07:09:30,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,634 INFO L138 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 135 [2024-04-04 07:09:30,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 07:09:30,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 07:09:30,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 07:09:30,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 07:09:30,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,644 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 07:09:30,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 07:09:30,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 07:09:30,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 07:09:30,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30" (1/1) ... [2024-04-04 07:09:30,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 07:09:30,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:09:30,689 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 07:09:30,696 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 07:09:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 07:09:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 07:09:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 07:09:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 07:09:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 07:09:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 07:09:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 07:09:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 07:09:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 07:09:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 07:09:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 07:09:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 07:09:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 07:09:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 07:09:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 07:09:30,734 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 07:09:30,804 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 07:09:30,806 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 07:09:30,992 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 07:09:31,054 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 07:09:31,055 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-04 07:09:31,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 07:09:31 BoogieIcfgContainer [2024-04-04 07:09:31,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 07:09:31,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 07:09:31,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 07:09:31,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 07:09:31,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 07:09:30" (1/3) ... [2024-04-04 07:09:31,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d03942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 07:09:31, skipping insertion in model container [2024-04-04 07:09:31,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:09:30" (2/3) ... [2024-04-04 07:09:31,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d03942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 07:09:31, skipping insertion in model container [2024-04-04 07:09:31,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 07:09:31" (3/3) ... [2024-04-04 07:09:31,063 INFO L112 eAbstractionObserver]: Analyzing ICFG test-context1.wvr.c [2024-04-04 07:09:31,069 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 07:09:31,076 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 07:09:31,077 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 07:09:31,077 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 07:09:31,114 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 07:09:31,145 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 07:09:31,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 07:09:31,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:09:31,147 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 07:09:31,153 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 07:09:31,180 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 07:09:31,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:31,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 07:09:31,197 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;@65bb984, 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 07:09:31,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 07:09:31,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:09:31,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:31,249 INFO L85 PathProgramCache]: Analyzing trace with hash 149318621, now seen corresponding path program 1 times [2024-04-04 07:09:31,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:31,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381637098] [2024-04-04 07:09:31,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:31,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:31,407 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 07:09:31,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:31,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381637098] [2024-04-04 07:09:31,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381637098] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 07:09:31,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 07:09:31,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 07:09:31,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164098007] [2024-04-04 07:09:31,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 07:09:31,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 07:09:31,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:31,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 07:09:31,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 07:09:31,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:31,505 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:31,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 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 07:09:31,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:31,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 07:09:31,536 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:09:31,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:31,537 INFO L85 PathProgramCache]: Analyzing trace with hash 418307069, now seen corresponding path program 1 times [2024-04-04 07:09:31,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:31,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521850061] [2024-04-04 07:09:31,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:31,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:31,812 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 07:09:31,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:31,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521850061] [2024-04-04 07:09:31,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521850061] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 07:09:31,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 07:09:31,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 07:09:31,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133059853] [2024-04-04 07:09:31,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 07:09:31,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 07:09:31,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:31,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 07:09:31,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-04 07:09:31,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:31,819 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:31,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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 07:09:31,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:31,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:31,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:31,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:31,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 07:09:31,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:09:31,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:31,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1722633854, now seen corresponding path program 1 times [2024-04-04 07:09:31,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:31,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965634739] [2024-04-04 07:09:31,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:31,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:32,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 07:09:32,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:32,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965634739] [2024-04-04 07:09:32,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965634739] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 07:09:32,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 07:09:32,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 07:09:32,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993716103] [2024-04-04 07:09:32,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 07:09:32,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 07:09:32,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:32,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 07:09:32,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 07:09:32,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:32,093 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:32,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 07:09:32,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:32,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:32,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:32,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:32,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:32,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:32,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 07:09:32,169 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:09:32,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:32,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1845106873, now seen corresponding path program 1 times [2024-04-04 07:09:32,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:32,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361142731] [2024-04-04 07:09:32,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:32,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 07:09:32,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:32,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361142731] [2024-04-04 07:09:32,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361142731] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 07:09:32,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 07:09:32,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-04 07:09:32,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824260791] [2024-04-04 07:09:32,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 07:09:32,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 07:09:32,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:32,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 07:09:32,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-04-04 07:09:32,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:32,444 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:32,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 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 07:09:32,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:32,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:32,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:32,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:32,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:32,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:32,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:32,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:32,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-04 07:09:32,569 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:09:32,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:32,570 INFO L85 PathProgramCache]: Analyzing trace with hash 50933182, now seen corresponding path program 1 times [2024-04-04 07:09:32,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:32,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52762128] [2024-04-04 07:09:32,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:32,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:32,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 07:09:32,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:32,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52762128] [2024-04-04 07:09:32,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52762128] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:09:32,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943675039] [2024-04-04 07:09:32,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:32,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:32,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:09:32,922 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 07:09:32,946 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 07:09:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:33,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-04 07:09:33,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:09:33,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 07:09:33,355 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:09:33,431 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:09:33,432 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 27 treesize of output 11 [2024-04-04 07:09:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 07:09:33,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943675039] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:09:33,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:09:33,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 7] total 15 [2024-04-04 07:09:33,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122771690] [2024-04-04 07:09:33,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:09:33,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-04 07:09:33,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:33,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-04 07:09:33,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-04-04 07:09:33,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:33,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:33,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.2) internal successors, (168), 15 states have internal predecessors, (168), 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 07:09:33,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:33,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:33,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:33,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:33,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:33,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:33,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:33,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:33,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:33,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:33,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 07:09:33,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:33,998 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:09:33,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:33,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1719417539, now seen corresponding path program 2 times [2024-04-04 07:09:33,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:33,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988654449] [2024-04-04 07:09:33,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:33,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:34,075 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 07:09:34,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:34,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988654449] [2024-04-04 07:09:34,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988654449] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:09:34,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261671625] [2024-04-04 07:09:34,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 07:09:34,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:34,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:09:34,081 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 07:09:34,104 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 07:09:34,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 07:09:34,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:09:34,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 07:09:34,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:09:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-04 07:09:34,243 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 07:09:34,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261671625] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 07:09:34,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 07:09:34,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-04-04 07:09:34,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944324814] [2024-04-04 07:09:34,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 07:09:34,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-04 07:09:34,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:34,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-04 07:09:34,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-04-04 07:09:34,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:34,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:34,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 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 07:09:34,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:34,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:34,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:34,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:34,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:34,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:34,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:34,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:34,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:34,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:34,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:34,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:09:34,295 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 07:09:34,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:34,492 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:09:34,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:34,493 INFO L85 PathProgramCache]: Analyzing trace with hash 819390472, now seen corresponding path program 3 times [2024-04-04 07:09:34,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:34,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152848904] [2024-04-04 07:09:34,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:34,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 07:09:34,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:34,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152848904] [2024-04-04 07:09:34,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152848904] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:09:34,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294224987] [2024-04-04 07:09:34,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 07:09:34,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:34,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:09:34,690 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 07:09:34,692 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 07:09:34,779 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-04 07:09:34,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:09:34,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 07:09:34,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:09:34,975 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 07:09:35,119 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 8 treesize of output 1 [2024-04-04 07:09:35,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-04 07:09:35,320 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-04 07:09:35,321 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:09:37,904 WARN L854 $PredicateComparison]: unable to prove that (forall ((~size~0 Int) (~front~0 Int) (v_ArrVal_115 (Array Int Int)) (v_ArrVal_114 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_114) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_115) c_~queue~0.base)) (.cse1 (* ~front~0 4))) (or (< ~size~0 0) (< c_~n~0 (+ ~size~0 ~front~0 1)) (not (= 5 (select .cse0 (+ (* ~size~0 4) c_~queue~0.offset .cse1)))) (= (select .cse0 (+ c_~queue~0.offset .cse1)) 5) (< ~front~0 0)))) is different from false [2024-04-04 07:09:38,529 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 07:09:38,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 51 [2024-04-04 07:09:38,541 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:09:38,542 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 324 treesize of output 289 [2024-04-04 07:09:38,550 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-04 07:09:38,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 86 [2024-04-04 07:09:38,559 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 07:09:38,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 97 treesize of output 67 [2024-04-04 07:09:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-04 07:09:38,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294224987] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:09:38,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:09:38,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 21, 18] total 42 [2024-04-04 07:09:38,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091998651] [2024-04-04 07:09:38,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:09:38,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 07:09:38,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:38,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 07:09:38,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1396, Unknown=25, NotChecked=78, Total=1722 [2024-04-04 07:09:38,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:38,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:38,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.380952380952381) internal successors, (268), 42 states have internal predecessors, (268), 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 07:09:38,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:38,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:38,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:38,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:38,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:38,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:09:38,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:39,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:39,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:39,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:39,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:39,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:39,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:09:39,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:09:39,798 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 07:09:39,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:39,987 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:09:39,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:39,988 INFO L85 PathProgramCache]: Analyzing trace with hash 763650175, now seen corresponding path program 4 times [2024-04-04 07:09:39,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:39,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091812962] [2024-04-04 07:09:39,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:39,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:40,505 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 07:09:40,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:40,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091812962] [2024-04-04 07:09:40,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091812962] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:09:40,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188361710] [2024-04-04 07:09:40,506 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 07:09:40,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:40,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:09:40,507 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 07:09:40,531 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 07:09:40,573 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 07:09:40,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:09:40,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 07:09:40,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:09:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 07:09:40,862 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:09:40,905 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:09:40,906 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 27 treesize of output 11 [2024-04-04 07:09:41,008 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-04 07:09:41,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188361710] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:09:41,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:09:41,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 12, 8] total 30 [2024-04-04 07:09:41,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685032052] [2024-04-04 07:09:41,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:09:41,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-04 07:09:41,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:41,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-04 07:09:41,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=776, Unknown=0, NotChecked=0, Total=870 [2024-04-04 07:09:41,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:41,010 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:41,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.066666666666666) internal successors, (272), 30 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:09:41,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:41,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:41,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:09:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:09:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:42,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:42,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:42,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:42,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:42,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:42,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:09:42,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:09:42,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:09:42,191 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 07:09:42,388 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,SelfDestructingSolverStorable7 [2024-04-04 07:09:42,389 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:09:42,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:42,389 INFO L85 PathProgramCache]: Analyzing trace with hash -293879429, now seen corresponding path program 5 times [2024-04-04 07:09:42,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:42,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705262251] [2024-04-04 07:09:42,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:42,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 40 proven. 57 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 07:09:42,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:42,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705262251] [2024-04-04 07:09:42,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705262251] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:09:42,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707591951] [2024-04-04 07:09:42,635 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 07:09:42,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:42,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:09:42,637 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 07:09:42,660 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 07:09:42,720 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-04 07:09:42,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:09:42,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 07:09:42,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:09:43,065 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 79 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-04 07:09:43,065 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:09:43,435 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 33 proven. 73 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-04 07:09:43,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707591951] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:09:43,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:09:43,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 44 [2024-04-04 07:09:43,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750141268] [2024-04-04 07:09:43,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:09:43,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-04 07:09:43,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:43,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-04 07:09:43,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=1588, Unknown=0, NotChecked=0, Total=1892 [2024-04-04 07:09:43,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:43,437 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:43,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.954545454545454) internal successors, (350), 44 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:09:43,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:43,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:43,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:43,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:43,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:43,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:09:43,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:09:43,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:09:43,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:09:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:09:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:09:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:09:44,008 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 07:09:44,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:44,206 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:09:44,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:44,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1340370025, now seen corresponding path program 6 times [2024-04-04 07:09:44,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:44,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235329815] [2024-04-04 07:09:44,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:44,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 07:09:45,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:45,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235329815] [2024-04-04 07:09:45,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235329815] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:09:45,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385561232] [2024-04-04 07:09:45,497 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 07:09:45,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:45,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:09:45,498 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 07:09:45,501 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 07:09:46,169 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-04 07:09:46,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:09:46,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 38 conjunts are in the unsatisfiable core [2024-04-04 07:09:46,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:09:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-04 07:09:46,947 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:09:47,038 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:09:47,039 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 28 treesize of output 11 [2024-04-04 07:09:47,182 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-04-04 07:09:47,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385561232] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:09:47,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:09:47,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 19, 9] total 48 [2024-04-04 07:09:47,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582418415] [2024-04-04 07:09:47,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:09:47,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-04-04 07:09:47,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:47,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-04-04 07:09:47,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=2078, Unknown=0, NotChecked=0, Total=2256 [2024-04-04 07:09:47,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:47,185 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:47,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 7.354166666666667) internal successors, (353), 48 states have internal predecessors, (353), 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 07:09:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:47,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:47,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:09:47,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:09:47,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:09:47,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:09:47,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:09:49,728 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 07:09:49,923 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,SelfDestructingSolverStorable9 [2024-04-04 07:09:49,924 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:09:49,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:49,924 INFO L85 PathProgramCache]: Analyzing trace with hash -467737937, now seen corresponding path program 7 times [2024-04-04 07:09:49,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:49,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553604695] [2024-04-04 07:09:49,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:49,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 4 proven. 266 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 07:09:51,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:51,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553604695] [2024-04-04 07:09:51,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553604695] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:09:51,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540683669] [2024-04-04 07:09:51,015 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 07:09:51,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:51,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:09:51,016 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 07:09:51,020 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 07:09:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:51,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-04 07:09:51,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:09:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 07:09:52,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:09:52,191 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:09:52,191 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 28 treesize of output 11 [2024-04-04 07:09:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-04-04 07:09:52,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540683669] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:09:52,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:09:52,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 28, 11] total 63 [2024-04-04 07:09:52,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701255789] [2024-04-04 07:09:52,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:09:52,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-04-04 07:09:52,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:52,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-04-04 07:09:52,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=3669, Unknown=0, NotChecked=0, Total=3906 [2024-04-04 07:09:52,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:52,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:52,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 6.7936507936507935) internal successors, (428), 63 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:09:52,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:09:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:09:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:09:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:09:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:09:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:56,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:56,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:56,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:56,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:56,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:56,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:09:56,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:09:56,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:09:56,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:09:56,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:09:56,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:09:56,165 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 07:09:56,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:56,366 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:09:56,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:56,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2085866448, now seen corresponding path program 8 times [2024-04-04 07:09:56,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:56,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592364621] [2024-04-04 07:09:56,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:56,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 174 proven. 233 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-04-04 07:09:57,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:57,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592364621] [2024-04-04 07:09:57,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592364621] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:09:57,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187934060] [2024-04-04 07:09:57,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 07:09:57,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:57,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:09:57,018 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 07:09:57,038 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 07:09:57,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 07:09:57,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:09:57,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-04 07:09:57,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:09:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 235 proven. 175 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-04-04 07:09:57,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:09:58,886 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 147 proven. 263 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-04-04 07:09:58,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187934060] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:09:58,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:09:58,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 79 [2024-04-04 07:09:58,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489211015] [2024-04-04 07:09:58,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:09:58,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-04-04 07:09:58,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:58,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-04-04 07:09:58,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1032, Invalid=5130, Unknown=0, NotChecked=0, Total=6162 [2024-04-04 07:09:58,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:58,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:58,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 6.455696202531645) internal successors, (510), 79 states have internal predecessors, (510), 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 07:09:58,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:58,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:58,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:09:58,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:09:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:09:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:09:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:09:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:09:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:09:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:09:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:09:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:10:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:10:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:10:00,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:10:00,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:10:00,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:10:00,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:10:00,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:10:00,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:10:00,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:10:00,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:10:00,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 07:10:00,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:10:00,246 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:10:00,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:10:00,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1416990649, now seen corresponding path program 9 times [2024-04-04 07:10:00,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:10:00,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323260125] [2024-04-04 07:10:00,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:10:00,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:10:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:10:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 36 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 07:10:02,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:10:02,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323260125] [2024-04-04 07:10:02,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323260125] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:10:02,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768890859] [2024-04-04 07:10:02,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 07:10:02,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:10:02,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:10:02,001 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 07:10:02,031 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 07:10:02,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-04-04 07:10:02,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:10:02,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 56 conjunts are in the unsatisfiable core [2024-04-04 07:10:02,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:10:04,981 INFO L349 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2024-04-04 07:10:04,981 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 26 treesize of output 10 [2024-04-04 07:10:04,993 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 160 proven. 328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 07:10:04,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:10:05,366 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-04 07:10:05,367 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 27 treesize of output 13 [2024-04-04 07:10:08,992 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 126 proven. 362 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 07:10:08,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768890859] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:10:08,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:10:08,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 115 [2024-04-04 07:10:08,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031144312] [2024-04-04 07:10:08,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:10:08,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-04-04 07:10:08,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:10:08,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-04-04 07:10:08,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1662, Invalid=11448, Unknown=0, NotChecked=0, Total=13110 [2024-04-04 07:10:08,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:08,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:10:08,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 5.113043478260869) internal successors, (588), 115 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:10:08,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:08,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:10:08,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:10:08,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:10:08,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:10:08,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:10:08,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:10:08,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:10:08,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:10:08,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:10:08,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:10:08,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:10:08,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:12,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:10:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:10:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:10:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:10:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:10:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:10:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:10:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:10:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:10:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:10:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:10:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:10:12,102 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 07:10:12,297 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,SelfDestructingSolverStorable12 [2024-04-04 07:10:12,297 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:10:12,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:10:12,297 INFO L85 PathProgramCache]: Analyzing trace with hash 128757182, now seen corresponding path program 10 times [2024-04-04 07:10:12,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:10:12,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632328091] [2024-04-04 07:10:12,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:10:12,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:10:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:10:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 21 proven. 505 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 07:10:13,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:10:13,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632328091] [2024-04-04 07:10:13,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632328091] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:10:13,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291310522] [2024-04-04 07:10:13,739 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 07:10:13,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:10:13,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:10:13,740 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 07:10:13,742 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 07:10:13,865 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 07:10:13,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:10:13,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 84 conjunts are in the unsatisfiable core [2024-04-04 07:10:13,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:10:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 541 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 07:10:15,022 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:10:15,179 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:10:15,180 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 28 treesize of output 11 [2024-04-04 07:10:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-04-04 07:10:15,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291310522] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:10:15,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:10:15,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 36, 13] total 75 [2024-04-04 07:10:15,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411251565] [2024-04-04 07:10:15,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:10:15,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-04-04 07:10:15,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:10:15,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-04-04 07:10:15,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=5236, Unknown=0, NotChecked=0, Total=5550 [2024-04-04 07:10:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:15,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:10:15,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 6.1866666666666665) internal successors, (464), 75 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:10:15,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:10:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:10:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:10:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:10:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:10:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:10:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:10:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:10:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:10:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:10:20,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:10:20,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:10:20,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:10:20,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-04 07:10:20,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:10:20,340 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:10:20,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:10:20,341 INFO L85 PathProgramCache]: Analyzing trace with hash -799463320, now seen corresponding path program 11 times [2024-04-04 07:10:20,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:10:20,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278904612] [2024-04-04 07:10:20,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:10:20,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:10:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:10:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 286 proven. 371 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-04 07:10:21,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:10:21,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278904612] [2024-04-04 07:10:21,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278904612] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:10:21,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313041558] [2024-04-04 07:10:21,053 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 07:10:21,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:10:21,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:10:21,054 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:10:21,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 07:10:21,210 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-04-04 07:10:21,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:10:21,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-04 07:10:21,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:10:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 364 proven. 297 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-04-04 07:10:22,125 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:10:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 234 proven. 427 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-04-04 07:10:23,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313041558] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:10:23,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:10:23,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 36, 33] total 98 [2024-04-04 07:10:23,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275224053] [2024-04-04 07:10:23,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:10:23,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-04-04 07:10:23,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:10:23,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-04-04 07:10:23,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1261, Invalid=8245, Unknown=0, NotChecked=0, Total=9506 [2024-04-04 07:10:23,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:23,152 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:10:23,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 5.785714285714286) internal successors, (567), 98 states have internal predecessors, (567), 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 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:10:23,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:10:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:10:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:10:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:10:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:10:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:10:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:10:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:10:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:10:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:10:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:10:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:10:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:10:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:10:24,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-04 07:10:24,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-04 07:10:24,772 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:10:24,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:10:24,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1531457759, now seen corresponding path program 12 times [2024-04-04 07:10:24,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:10:24,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689873176] [2024-04-04 07:10:24,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:10:24,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:10:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:10:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 28 proven. 694 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-04-04 07:10:26,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:10:26,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689873176] [2024-04-04 07:10:26,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689873176] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:10:26,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39566710] [2024-04-04 07:10:26,435 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 07:10:26,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:10:26,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:10:26,436 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:10:26,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-04 07:10:26,992 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-04-04 07:10:26,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:10:26,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 62 conjunts are in the unsatisfiable core [2024-04-04 07:10:26,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:10:48,307 INFO L349 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2024-04-04 07:10:48,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 13 [2024-04-04 07:10:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 211 proven. 507 refuted. 28 times theorem prover too weak. 24 trivial. 0 not checked. [2024-04-04 07:10:48,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:10:48,625 INFO L349 Elim1Store]: treesize reduction 10, result has 41.2 percent of original size [2024-04-04 07:10:48,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 18 [2024-04-04 07:10:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 175 proven. 571 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-04-04 07:10:50,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39566710] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:10:50,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:10:50,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 41] total 116 [2024-04-04 07:10:50,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627957597] [2024-04-04 07:10:50,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:10:50,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-04-04 07:10:50,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:10:50,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-04-04 07:10:50,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1402, Invalid=11928, Unknown=10, NotChecked=0, Total=13340 [2024-04-04 07:10:50,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:50,396 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:10:50,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 5.517241379310345) internal successors, (640), 116 states have internal predecessors, (640), 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 07:10:50,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:50,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:10:50,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:10:50,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:10:50,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:10:50,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:10:50,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:10:50,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:10:50,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:10:50,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:10:50,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:10:50,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:10:50,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:10:50,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:10:50,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:10:50,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:56,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:56,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:10:56,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:10:56,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:10:56,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:10:56,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:10:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:10:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:10:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:10:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:10:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:10:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:10:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:10:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:10:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:10:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:10:56,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-04 07:10:56,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-04 07:10:56,221 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:10:56,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:10:56,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1778416429, now seen corresponding path program 13 times [2024-04-04 07:10:56,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:10:56,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487291564] [2024-04-04 07:10:56,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:10:56,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:10:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:10:58,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 28 proven. 945 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-04-04 07:10:58,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:10:58,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487291564] [2024-04-04 07:10:58,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487291564] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:10:58,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884084056] [2024-04-04 07:10:58,207 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 07:10:58,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:10:58,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:10:58,208 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:10:58,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-04 07:10:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:10:58,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 110 conjunts are in the unsatisfiable core [2024-04-04 07:10:58,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:11:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 1012 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 07:11:00,224 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:11:00,513 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:11:00,513 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 28 treesize of output 11 [2024-04-04 07:11:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2024-04-04 07:11:00,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884084056] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:11:00,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:11:00,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 17] total 101 [2024-04-04 07:11:00,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414689838] [2024-04-04 07:11:00,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:11:00,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-04-04 07:11:00,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:11:00,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-04-04 07:11:00,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=424, Invalid=9676, Unknown=0, NotChecked=0, Total=10100 [2024-04-04 07:11:00,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:11:00,896 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:11:00,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 5.623762376237623) internal successors, (568), 101 states have internal predecessors, (568), 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 07:11:00,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:11:00,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:11:00,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:11:00,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:11:00,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:11:00,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:11:00,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:11:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:11:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:11:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:11:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:11:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:11:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:11:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:11:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:11:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:11:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:11:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:11:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:11:08,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:11:08,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-04 07:11:08,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-04 07:11:08,706 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:11:08,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:11:08,706 INFO L85 PathProgramCache]: Analyzing trace with hash -39916073, now seen corresponding path program 14 times [2024-04-04 07:11:08,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:11:08,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60012082] [2024-04-04 07:11:08,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:11:08,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:11:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:11:09,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 494 proven. 638 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-04-04 07:11:09,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:11:09,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60012082] [2024-04-04 07:11:09,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60012082] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:11:09,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139046507] [2024-04-04 07:11:09,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 07:11:09,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:11:09,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:11:09,813 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:11:09,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-04 07:11:09,944 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 07:11:09,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:11:09,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 07:11:09,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:11:11,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 598 proven. 540 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-04-04 07:11:11,297 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:11:12,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 388 proven. 750 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-04-04 07:11:12,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139046507] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:11:12,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:11:12,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 124 [2024-04-04 07:11:12,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984215269] [2024-04-04 07:11:12,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:11:12,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-04-04 07:11:12,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:11:12,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-04-04 07:11:12,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2449, Invalid=12803, Unknown=0, NotChecked=0, Total=15252 [2024-04-04 07:11:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:11:12,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:11:12,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 5.758064516129032) internal successors, (714), 124 states have internal predecessors, (714), 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 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:11:12,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:11:12,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:11:12,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:11:12,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:11:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:11:15,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-04 07:11:15,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-04 07:11:15,308 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:11:15,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:11:15,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1683262542, now seen corresponding path program 15 times [2024-04-04 07:11:15,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:11:15,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437402722] [2024-04-04 07:11:15,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:11:15,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:11:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:11:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 60 proven. 1253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 07:11:17,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:11:17,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437402722] [2024-04-04 07:11:17,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437402722] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:11:17,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624767788] [2024-04-04 07:11:17,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 07:11:17,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:11:17,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:11:17,284 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:11:17,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-04 07:11:18,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-04-04 07:11:18,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:11:18,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 61 conjunts are in the unsatisfiable core [2024-04-04 07:11:18,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:11:18,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-04-04 07:11:18,739 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 8 treesize of output 1 [2024-04-04 07:11:18,784 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 8 treesize of output 1 [2024-04-04 07:11:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 29 proven. 419 refuted. 66 times theorem prover too weak. 799 trivial. 0 not checked. [2024-04-04 07:11:40,784 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:12:07,249 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_~size~0_379 Int) (~queue~0.offset Int) (~front~0 Int) (v_ArrVal_742 (Array Int Int)) (v_ArrVal_741 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_741) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_742) c_~queue~0.base)) (.cse1 (* ~front~0 4))) (or (< v_~size~0_379 6) (< (+ c_~size~0 6) v_~size~0_379) (= (select .cse0 (+ .cse1 ~queue~0.offset 24)) 5) (not (= 5 (select .cse0 (+ .cse1 ~queue~0.offset (* v_~size~0_379 4)))))))) is different from false [2024-04-04 07:12:07,293 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_~size~0_379 Int) (~queue~0.offset Int) (~front~0 Int) (v_ArrVal_742 (Array Int Int)) (v_ArrVal_741 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_741) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_742) |c_ULTIMATE.start_main_#t~ret9#1.base|)) (.cse1 (* ~front~0 4))) (or (< v_~size~0_379 6) (= (select .cse0 (+ .cse1 ~queue~0.offset 24)) 5) (not (= 5 (select .cse0 (+ .cse1 ~queue~0.offset (* v_~size~0_379 4))))) (< (+ c_~size~0 6) v_~size~0_379)))) is different from false [2024-04-04 07:12:07,324 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_~size~0_379 Int) (~queue~0.offset Int) (~front~0 Int) (v_ArrVal_742 (Array Int Int)) (v_ArrVal_741 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_741) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_742) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse1 (* ~front~0 4))) (or (< v_~size~0_379 6) (< (+ c_~size~0 6) v_~size~0_379) (= 5 (select .cse0 (+ .cse1 ~queue~0.offset 24))) (not (= 5 (select .cse0 (+ .cse1 ~queue~0.offset (* v_~size~0_379 4)))))))) is different from false [2024-04-04 07:12:07,605 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 07:12:07,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 52 [2024-04-04 07:12:07,612 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:12:07,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 139 [2024-04-04 07:12:07,618 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 07:12:07,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 136 treesize of output 104 [2024-04-04 07:12:07,624 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 07:12:07,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 83 treesize of output 67 [2024-04-04 07:12:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 0 proven. 575 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2024-04-04 07:12:07,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624767788] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:12:07,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:12:07,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 27, 25] total 101 [2024-04-04 07:12:07,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097564901] [2024-04-04 07:12:07,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:12:07,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-04-04 07:12:07,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:12:07,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-04-04 07:12:07,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=784, Invalid=8683, Unknown=51, NotChecked=582, Total=10100 [2024-04-04 07:12:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:12:07,850 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:12:07,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 5.376237623762377) internal successors, (543), 101 states have internal predecessors, (543), 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 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:12:07,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:12:07,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:12:19,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:12:19,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:12:19,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:12:19,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:12:19,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:12:19,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:12:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:12:19,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-04 07:12:19,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:12:19,567 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:12:19,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:12:19,568 INFO L85 PathProgramCache]: Analyzing trace with hash 172327723, now seen corresponding path program 16 times [2024-04-04 07:12:19,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:12:19,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745567187] [2024-04-04 07:12:19,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:12:19,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:12:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:12:21,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2506 backedges. 530 proven. 1576 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-04-04 07:12:21,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:12:21,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745567187] [2024-04-04 07:12:21,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745567187] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:12:21,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794737590] [2024-04-04 07:12:21,112 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 07:12:21,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:12:21,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:12:21,113 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:12:21,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-04 07:12:21,281 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 07:12:21,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:12:21,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-04 07:12:21,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:12:23,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2506 backedges. 1354 proven. 742 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-04-04 07:12:23,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:12:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2506 backedges. 1058 proven. 1038 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-04-04 07:12:25,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794737590] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:12:25,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:12:25,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 51, 50] total 144 [2024-04-04 07:12:25,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310462876] [2024-04-04 07:12:25,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:12:25,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2024-04-04 07:12:25,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:12:25,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2024-04-04 07:12:25,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3213, Invalid=17379, Unknown=0, NotChecked=0, Total=20592 [2024-04-04 07:12:25,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:12:25,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:12:25,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 5.583333333333333) internal successors, (804), 144 states have internal predecessors, (804), 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 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:12:25,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:12:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:12:27,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:12:27,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:12:27,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:12:27,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-04-04 07:12:28,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:12:28,195 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:12:28,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:12:28,196 INFO L85 PathProgramCache]: Analyzing trace with hash 2054560674, now seen corresponding path program 17 times [2024-04-04 07:12:28,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:12:28,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651805674] [2024-04-04 07:12:28,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:12:28,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:12:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:12:29,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 824 proven. 1587 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-04-04 07:12:29,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:12:29,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651805674] [2024-04-04 07:12:29,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651805674] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:12:29,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073517593] [2024-04-04 07:12:29,753 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 07:12:29,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:12:29,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:12:29,754 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:12:29,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-04 07:12:30,070 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2024-04-04 07:12:30,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:12:30,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 56 conjunts are in the unsatisfiable core [2024-04-04 07:12:30,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:12:32,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 1676 proven. 855 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-04-04 07:12:32,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:12:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 1438 proven. 1093 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-04-04 07:12:34,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073517593] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:12:34,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:12:34,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 56, 56] total 156 [2024-04-04 07:12:34,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95449825] [2024-04-04 07:12:34,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:12:34,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 156 states [2024-04-04 07:12:34,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:12:34,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2024-04-04 07:12:34,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4017, Invalid=20163, Unknown=0, NotChecked=0, Total=24180 [2024-04-04 07:12:34,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:12:34,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:12:34,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 156 states, 156 states have (on average 5.615384615384615) internal successors, (876), 156 states have internal predecessors, (876), 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 07:12:34,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:12:34,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:12:34,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:12:34,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:12:34,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:12:34,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:12:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:12:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:12:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:12:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:12:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:12:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:12:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:12:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:12:38,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-04 07:12:38,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-04-04 07:12:38,645 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:12:38,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:12:38,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1081197716, now seen corresponding path program 18 times [2024-04-04 07:12:38,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:12:38,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930299420] [2024-04-04 07:12:38,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:12:38,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:12:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:12:44,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 528 proven. 2937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 07:12:44,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:12:44,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930299420] [2024-04-04 07:12:44,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930299420] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:12:44,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902339940] [2024-04-04 07:12:44,551 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 07:12:44,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:12:44,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:12:44,552 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:12:44,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-04 07:12:47,925 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 22 check-sat command(s) [2024-04-04 07:12:47,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:12:47,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 117 conjunts are in the unsatisfiable core [2024-04-04 07:12:47,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:12:55,748 INFO L349 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2024-04-04 07:12:55,748 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 26 treesize of output 10 [2024-04-04 07:12:55,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 1275 proven. 2190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 07:12:55,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:12:56,781 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-04 07:12:56,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 13 [2024-04-04 07:13:09,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 1138 proven. 2327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 07:13:09,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902339940] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:13:09,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:13:09,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 94, 94] total 269 [2024-04-04 07:13:09,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757950986] [2024-04-04 07:13:09,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:13:09,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 269 states [2024-04-04 07:13:09,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:13:09,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 269 interpolants. [2024-04-04 07:13:09,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10168, Invalid=61924, Unknown=0, NotChecked=0, Total=72092 [2024-04-04 07:13:09,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:13:09,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:13:09,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 269 states, 269 states have (on average 4.5055762081784385) internal successors, (1212), 269 states have internal predecessors, (1212), 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 07:13:09,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:13:09,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:13:09,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:13:09,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:13:09,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:13:09,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:13:09,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:13:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:13:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:13:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:13:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:13:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:13:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:13:21,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-04 07:13:21,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:13:21,583 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:13:21,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:13:21,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1021772515, now seen corresponding path program 19 times [2024-04-04 07:13:21,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:13:21,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466345501] [2024-04-04 07:13:21,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:13:21,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:13:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:13:26,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3634 backedges. 35 proven. 3320 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-04-04 07:13:26,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:13:26,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466345501] [2024-04-04 07:13:26,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466345501] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:13:26,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243949839] [2024-04-04 07:13:26,471 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 07:13:26,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:13:26,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:13:26,472 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:13:26,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-04 07:13:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:13:26,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 206 conjunts are in the unsatisfiable core [2024-04-04 07:13:26,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:13:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3634 backedges. 0 proven. 3622 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 07:13:31,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:13:32,068 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:13:32,068 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 28 treesize of output 11 [2024-04-04 07:13:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3634 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 2228 trivial. 0 not checked. [2024-04-04 07:13:32,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243949839] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:13:32,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:13:32,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 88, 21] total 169 [2024-04-04 07:13:32,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689361421] [2024-04-04 07:13:32,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:13:32,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 169 states [2024-04-04 07:13:32,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:13:32,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2024-04-04 07:13:32,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=744, Invalid=27648, Unknown=0, NotChecked=0, Total=28392 [2024-04-04 07:13:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:13:32,858 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:13:32,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 169 states, 169 states have (on average 5.017751479289941) internal successors, (848), 169 states have internal predecessors, (848), 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 07:13:32,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:13:32,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:13:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:13:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:13:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:13:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:13:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:13:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:13:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:13:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:13:32,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:13:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:13:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:13:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:13:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:13:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:13:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:13:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:13:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:13:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:13:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:13:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:13:51,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-04 07:13:52,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-04-04 07:13:52,179 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:13:52,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:13:52,179 INFO L85 PathProgramCache]: Analyzing trace with hash -450931577, now seen corresponding path program 20 times [2024-04-04 07:13:52,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:13:52,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638584429] [2024-04-04 07:13:52,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:13:52,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:13:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:13:55,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2894 backedges. 42 proven. 2594 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-04-04 07:13:55,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:13:55,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638584429] [2024-04-04 07:13:55,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638584429] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:13:55,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485855244] [2024-04-04 07:13:55,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 07:13:55,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:13:55,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:13:55,601 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:13:55,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-04 07:13:55,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 07:13:55,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:13:55,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 154 conjunts are in the unsatisfiable core [2024-04-04 07:13:55,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:13:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2894 backedges. 0 proven. 2712 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-04-04 07:13:59,328 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:13:59,919 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:13:59,920 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 28 treesize of output 11 [2024-04-04 07:14:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2894 backedges. 0 proven. 807 refuted. 0 times theorem prover too weak. 2087 trivial. 0 not checked. [2024-04-04 07:14:00,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485855244] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:14:00,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:14:00,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 68, 23] total 143 [2024-04-04 07:14:00,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601384175] [2024-04-04 07:14:00,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:14:00,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2024-04-04 07:14:00,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:14:00,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2024-04-04 07:14:00,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=604, Invalid=19702, Unknown=0, NotChecked=0, Total=20306 [2024-04-04 07:14:00,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:00,720 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:14:00,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 5.146853146853147) internal successors, (736), 143 states have internal predecessors, (736), 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 07:14:00,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:00,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:14:00,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:14:00,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:14:00,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:14:00,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:14:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:14:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:14:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:14:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:14:17,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-04 07:14:17,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:14:17,472 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:14:17,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:14:17,472 INFO L85 PathProgramCache]: Analyzing trace with hash -647191503, now seen corresponding path program 21 times [2024-04-04 07:14:17,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:14:17,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877382458] [2024-04-04 07:14:17,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:14:17,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:14:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:14:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3166 backedges. 49 proven. 2889 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-04-04 07:14:21,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:14:21,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877382458] [2024-04-04 07:14:21,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877382458] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:14:21,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093867557] [2024-04-04 07:14:21,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 07:14:21,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:14:21,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:14:21,302 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:14:21,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-04 07:14:23,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-04-04 07:14:23,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:14:23,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 78 conjunts are in the unsatisfiable core [2024-04-04 07:14:23,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:14:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3166 backedges. 0 proven. 1016 refuted. 0 times theorem prover too weak. 2150 trivial. 0 not checked. [2024-04-04 07:14:24,408 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:14:24,476 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:14:24,477 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 28 treesize of output 11 [2024-04-04 07:14:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3166 backedges. 0 proven. 1016 refuted. 0 times theorem prover too weak. 2150 trivial. 0 not checked. [2024-04-04 07:14:24,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093867557] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:14:24,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:14:24,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 25, 25] total 90 [2024-04-04 07:14:24,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474237730] [2024-04-04 07:14:24,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:14:24,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-04-04 07:14:24,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:14:24,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-04-04 07:14:24,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=7646, Unknown=0, NotChecked=0, Total=8010 [2024-04-04 07:14:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:24,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:14:24,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 5.333333333333333) internal successors, (480), 90 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:14:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:14:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:14:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:14:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:14:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:14:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:14:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:14:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:14:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:14:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:14:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:14:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:14:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:14:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:14:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:14:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:14:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:14:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:14:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:14:33,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-04-04 07:14:33,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-04-04 07:14:33,963 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:14:33,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:14:33,963 INFO L85 PathProgramCache]: Analyzing trace with hash -988141679, now seen corresponding path program 22 times [2024-04-04 07:14:33,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:14:33,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438811908] [2024-04-04 07:14:33,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:14:33,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:14:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:14:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3314 backedges. 49 proven. 3064 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-04-04 07:14:38,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:14:38,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438811908] [2024-04-04 07:14:38,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438811908] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:14:38,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939387168] [2024-04-04 07:14:38,078 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 07:14:38,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:14:38,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:14:38,079 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:14:38,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-04 07:14:38,278 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 07:14:38,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:14:38,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 180 conjunts are in the unsatisfiable core [2024-04-04 07:14:38,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:14:42,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3314 backedges. 0 proven. 3258 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-04 07:14:42,911 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:14:43,735 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:14:43,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 11 [2024-04-04 07:14:44,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3314 backedges. 0 proven. 1164 refuted. 0 times theorem prover too weak. 2150 trivial. 0 not checked. [2024-04-04 07:14:44,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939387168] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:14:44,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:14:44,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 80, 27] total 169 [2024-04-04 07:14:44,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527547040] [2024-04-04 07:14:44,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:14:44,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 169 states [2024-04-04 07:14:44,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:14:44,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2024-04-04 07:14:44,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=714, Invalid=27678, Unknown=0, NotChecked=0, Total=28392 [2024-04-04 07:14:44,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:44,679 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:14:44,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 169 states, 169 states have (on average 4.970414201183432) internal successors, (840), 169 states have internal predecessors, (840), 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 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:14:44,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:15:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:15:08,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:15:08,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:15:08,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:15:08,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:15:08,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:15:08,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:15:08,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:15:08,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:15:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:15:08,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-04-04 07:15:09,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-04-04 07:15:09,161 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:15:09,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:15:09,161 INFO L85 PathProgramCache]: Analyzing trace with hash -722085573, now seen corresponding path program 23 times [2024-04-04 07:15:09,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:15:09,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55115728] [2024-04-04 07:15:09,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:15:09,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:15:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:15:13,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3634 backedges. 56 proven. 3351 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-04-04 07:15:13,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:15:13,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55115728] [2024-04-04 07:15:13,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55115728] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:15:13,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145935098] [2024-04-04 07:15:13,911 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 07:15:13,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:15:13,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:15:13,912 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:15:13,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-04-04 07:15:14,500 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2024-04-04 07:15:14,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:15:14,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 202 conjunts are in the unsatisfiable core [2024-04-04 07:15:14,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:15:20,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3634 backedges. 0 proven. 3622 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 07:15:20,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:15:21,059 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:15:21,059 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 28 treesize of output 11 [2024-04-04 07:15:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3634 backedges. 71 proven. 1413 refuted. 0 times theorem prover too weak. 2150 trivial. 0 not checked. [2024-04-04 07:15:22,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145935098] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:15:22,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:15:22,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 93, 31] total 194 [2024-04-04 07:15:22,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631062013] [2024-04-04 07:15:22,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:15:22,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2024-04-04 07:15:22,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:15:22,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2024-04-04 07:15:22,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1189, Invalid=36253, Unknown=0, NotChecked=0, Total=37442 [2024-04-04 07:15:22,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:15:22,347 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:15:22,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 4.845360824742268) internal successors, (940), 194 states have internal predecessors, (940), 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 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:15:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:15:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:15:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:15:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:15:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:15:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:15:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:15:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:15:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:15:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:15:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:15:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:15:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:15:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:15:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:15:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:15:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:15:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:15:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:15:44,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-04-04 07:15:45,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:15:45,116 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:15:45,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:15:45,117 INFO L85 PathProgramCache]: Analyzing trace with hash 693932517, now seen corresponding path program 24 times [2024-04-04 07:15:45,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:15:45,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713701595] [2024-04-04 07:15:45,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:15:45,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:15:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:15:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3986 backedges. 1626 proven. 2048 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-04-04 07:15:47,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:15:47,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713701595] [2024-04-04 07:15:47,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713701595] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:15:47,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688250124] [2024-04-04 07:15:47,748 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 07:15:47,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:15:47,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:15:47,749 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:15:47,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-04-04 07:15:50,915 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-04-04 07:15:50,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:15:50,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 72 conjunts are in the unsatisfiable core [2024-04-04 07:15:50,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:15:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3986 backedges. 1804 proven. 1870 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-04-04 07:15:53,953 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:15:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3986 backedges. 1716 proven. 1958 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-04-04 07:15:57,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688250124] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:15:57,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:15:57,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 73, 73] total 214 [2024-04-04 07:15:57,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666667531] [2024-04-04 07:15:57,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:15:57,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 214 states [2024-04-04 07:15:57,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:15:57,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2024-04-04 07:15:57,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7966, Invalid=37616, Unknown=0, NotChecked=0, Total=45582 [2024-04-04 07:15:57,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:15:57,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:15:57,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 214 states, 214 states have (on average 5.275700934579439) internal successors, (1129), 214 states have internal predecessors, (1129), 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 07:15:57,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:15:57,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:15:57,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:15:57,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:15:57,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:15:57,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:15:57,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:15:57,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:15:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:16:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:16:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:16:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:16:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:16:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:16:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:16:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-04 07:16:03,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-04-04 07:16:04,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-04-04 07:16:04,064 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:16:04,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:16:04,066 INFO L85 PathProgramCache]: Analyzing trace with hash 486810716, now seen corresponding path program 25 times [2024-04-04 07:16:04,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:16:04,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773594160] [2024-04-04 07:16:04,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:16:04,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:16:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:16:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4163 backedges. 63 proven. 3812 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-04-04 07:16:09,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:16:09,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773594160] [2024-04-04 07:16:09,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773594160] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:16:09,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731899523] [2024-04-04 07:16:09,701 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 07:16:09,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:16:09,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:16:09,702 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:16:09,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-04-04 07:16:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:16:09,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 216 conjunts are in the unsatisfiable core [2024-04-04 07:16:09,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:16:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4163 backedges. 0 proven. 4161 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 07:16:16,007 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:16:17,137 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:16:17,137 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 28 treesize of output 11 [2024-04-04 07:16:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4163 backedges. 0 proven. 1686 refuted. 0 times theorem prover too weak. 2477 trivial. 0 not checked. [2024-04-04 07:16:18,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731899523] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:16:18,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:16:18,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 96, 31] total 201 [2024-04-04 07:16:18,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183712616] [2024-04-04 07:16:18,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:16:18,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 201 states [2024-04-04 07:16:18,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:16:18,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2024-04-04 07:16:18,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=854, Invalid=39346, Unknown=0, NotChecked=0, Total=40200 [2024-04-04 07:16:18,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:16:18,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:16:18,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 201 states, 201 states have (on average 4.786069651741293) internal successors, (962), 201 states have internal predecessors, (962), 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 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:16:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:16:18,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:16:18,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:16:18,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:16:18,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:16:18,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:16:18,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:16:18,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:16:18,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:16:18,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-04 07:16:18,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:16:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-04 07:16:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2024-04-04 07:16:52,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-04-04 07:16:52,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-04-04 07:16:52,970 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:16:52,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:16:52,970 INFO L85 PathProgramCache]: Analyzing trace with hash 236885510, now seen corresponding path program 26 times [2024-04-04 07:16:52,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:16:52,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591907430] [2024-04-04 07:16:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:16:52,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:16:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:16:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4547 backedges. 1756 proven. 2419 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-04-04 07:16:56,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:16:56,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591907430] [2024-04-04 07:16:56,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591907430] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:16:56,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593426307] [2024-04-04 07:16:56,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 07:16:56,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:16:56,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:16:56,068 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:16:56,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-04-04 07:16:56,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 07:16:56,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:16:56,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 77 conjunts are in the unsatisfiable core [2024-04-04 07:16:56,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:17:00,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4547 backedges. 2147 proven. 2047 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2024-04-04 07:17:00,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:17:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4547 backedges. 1494 proven. 2700 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2024-04-04 07:17:05,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593426307] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:17:05,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:17:05,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 76, 76] total 222 [2024-04-04 07:17:05,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593151661] [2024-04-04 07:17:05,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:17:05,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2024-04-04 07:17:05,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:17:05,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2024-04-04 07:17:05,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7621, Invalid=41441, Unknown=0, NotChecked=0, Total=49062 [2024-04-04 07:17:05,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:17:05,109 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:17:05,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 5.27027027027027) internal successors, (1170), 222 states have internal predecessors, (1170), 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 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:17:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:17:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:17:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:17:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:17:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:17:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:17:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:17:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:17:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:17:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:17:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-04 07:17:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2024-04-04 07:17:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:17:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2024-04-04 07:17:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-04 07:17:10,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-04-04 07:17:10,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:17:10,219 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:17:10,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:17:10,219 INFO L85 PathProgramCache]: Analyzing trace with hash 992211837, now seen corresponding path program 27 times [2024-04-04 07:17:10,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:17:10,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90280932] [2024-04-04 07:17:10,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:17:10,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:17:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:17:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 1942 proven. 2426 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-04-04 07:17:13,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:17:13,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90280932] [2024-04-04 07:17:13,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90280932] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:17:13,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928712781] [2024-04-04 07:17:13,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 07:17:13,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:17:13,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:17:13,346 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:17:13,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-04-04 07:17:14,923 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-04-04 07:17:14,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:17:14,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 154 conjunts are in the unsatisfiable core [2024-04-04 07:17:14,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:17:16,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-04-04 07:17:16,994 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 8 treesize of output 1 [2024-04-04 07:17:17,074 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 8 treesize of output 1 [2024-04-04 07:17:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 0 proven. 2500 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2024-04-04 07:17:19,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:17:24,396 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1993 (Array Int Int)) (v_ArrVal_1992 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1992) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1993) c_~queue~0.base)) (.cse1 (* c_~front~0 4))) (or (not (= 5 (select .cse0 (+ (* c_~size~0 4) c_~queue~0.offset .cse1 96)))) (= (select .cse0 (+ c_~queue~0.offset .cse1 96)) 5)))) is different from false [2024-04-04 07:17:25,041 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 07:17:25,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 53 [2024-04-04 07:17:25,051 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 07:17:25,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 160 treesize of output 142 [2024-04-04 07:17:25,058 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 07:17:25,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 139 treesize of output 105 [2024-04-04 07:17:25,064 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 07:17:25,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 84 treesize of output 67 [2024-04-04 07:17:25,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 0 proven. 2616 refuted. 0 times theorem prover too weak. 2116 trivial. 0 not checked. [2024-04-04 07:17:25,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928712781] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:17:25,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:17:25,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 65, 61] total 197 [2024-04-04 07:17:25,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93543655] [2024-04-04 07:17:25,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:17:25,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 197 states [2024-04-04 07:17:25,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:17:25,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2024-04-04 07:17:25,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1892, Invalid=36242, Unknown=90, NotChecked=388, Total=38612 [2024-04-04 07:17:25,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:17:25,324 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:17:25,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 197 states, 197 states have (on average 4.9543147208121825) internal successors, (976), 197 states have internal predecessors, (976), 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 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:17:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-04 07:17:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:18:19,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:18:19,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:18:19,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:18:19,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2024-04-04 07:18:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-04 07:18:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 464 states. [2024-04-04 07:18:19,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-04-04 07:18:19,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:18:19,852 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:18:19,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:18:19,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1458461622, now seen corresponding path program 28 times [2024-04-04 07:18:19,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:18:19,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93695702] [2024-04-04 07:18:19,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:18:19,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:18:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:18:24,105 INFO L134 CoverageAnalysis]: Checked inductivity of 8201 backedges. 2162 proven. 5051 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2024-04-04 07:18:24,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:18:24,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93695702] [2024-04-04 07:18:24,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93695702] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:18:24,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572571333] [2024-04-04 07:18:24,106 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 07:18:24,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:18:24,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:18:24,107 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:18:24,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-04-04 07:18:24,378 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 07:18:24,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:18:24,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 83 conjunts are in the unsatisfiable core [2024-04-04 07:18:24,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:18:28,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8201 backedges. 5137 proven. 2425 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2024-04-04 07:18:28,972 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:18:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8201 backedges. 4869 proven. 2693 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2024-04-04 07:18:35,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572571333] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:18:35,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:18:35,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 82, 82] total 240 [2024-04-04 07:18:35,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471332909] [2024-04-04 07:18:35,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:18:35,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 240 states [2024-04-04 07:18:35,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:18:35,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 240 interpolants. [2024-04-04 07:18:35,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9865, Invalid=47495, Unknown=0, NotChecked=0, Total=57360 [2024-04-04 07:18:35,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:18:35,092 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:18:35,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 240 states, 240 states have (on average 5.641666666666667) internal successors, (1354), 240 states have internal predecessors, (1354), 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 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:18:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:18:35,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:18:35,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:18:35,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-04 07:18:35,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2024-04-04 07:18:35,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-04 07:18:35,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 464 states. [2024-04-04 07:18:35,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:18:41,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:18:41,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:18:41,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:18:41,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 464 states. [2024-04-04 07:18:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-04-04 07:18:41,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-04-04 07:18:41,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:18:41,269 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:18:41,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:18:41,269 INFO L85 PathProgramCache]: Analyzing trace with hash -106319827, now seen corresponding path program 29 times [2024-04-04 07:18:41,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:18:41,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87865000] [2024-04-04 07:18:41,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:18:41,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:18:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:18:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 8402 backedges. 2364 proven. 5146 refuted. 0 times theorem prover too weak. 892 trivial. 0 not checked. [2024-04-04 07:18:45,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:18:45,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87865000] [2024-04-04 07:18:45,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87865000] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:18:45,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842115505] [2024-04-04 07:18:45,693 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 07:18:45,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:18:45,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:18:45,694 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:18:45,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-04-04 07:18:46,913 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2024-04-04 07:18:46,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:18:46,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 103 conjunts are in the unsatisfiable core [2024-04-04 07:18:46,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:18:52,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8402 backedges. 5425 proven. 2626 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-04-04 07:18:52,624 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:18:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8402 backedges. 3458 proven. 4593 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-04-04 07:18:59,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842115505] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:18:59,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:18:59,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 98, 95] total 270 [2024-04-04 07:18:59,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494151819] [2024-04-04 07:18:59,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:18:59,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 270 states [2024-04-04 07:18:59,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:18:59,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 270 interpolants. [2024-04-04 07:18:59,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11859, Invalid=60771, Unknown=0, NotChecked=0, Total=72630 [2024-04-04 07:18:59,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:18:59,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:18:59,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 270 states, 270 states have (on average 5.262962962962963) internal successors, (1421), 270 states have internal predecessors, (1421), 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 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:18:59,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-04 07:18:59,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2024-04-04 07:18:59,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-04 07:18:59,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 464 states. [2024-04-04 07:18:59,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-04-04 07:18:59,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:19:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:19:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:19:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 07:19:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 07:19:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 07:19:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 07:19:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 07:19:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 464 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-04-04 07:19:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-04 07:19:08,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-04-04 07:19:08,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-04-04 07:19:08,778 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 07:19:08,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:19:08,778 INFO L85 PathProgramCache]: Analyzing trace with hash -791919679, now seen corresponding path program 30 times [2024-04-04 07:19:08,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:19:08,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528649298] [2024-04-04 07:19:08,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:19:08,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:19:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:19:22,464 INFO L134 CoverageAnalysis]: Checked inductivity of 11438 backedges. 161 proven. 9253 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2024-04-04 07:19:22,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:19:22,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528649298] [2024-04-04 07:19:22,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528649298] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:19:22,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932141854] [2024-04-04 07:19:22,464 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 07:19:22,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:19:22,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:19:22,465 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:19:22,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-04-04 07:22:08,697 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 39 check-sat command(s) [2024-04-04 07:22:08,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:22:08,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 188 conjunts are in the unsatisfiable core [2024-04-04 07:22:08,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:22:11,411 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 19 treesize of output 1 [2024-04-04 07:22:11,747 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 8 treesize of output 1 [2024-04-04 07:22:11,845 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 8 treesize of output 1 Received shutdown request... [2024-04-04 07:23:00,525 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 07:23:00,525 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 07:23:00,525 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 07:23:00,920 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-04 07:23:00,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-04-04 07:23:01,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-04-04 07:23:01,121 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 692 with TraceHistMax 39,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 159 known predicates. [2024-04-04 07:23:01,122 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-04 07:23:01,122 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-04 07:23:01,125 INFO L445 BasicCegarLoop]: Path program histogram: [30, 1, 1, 1, 1] [2024-04-04 07:23:01,127 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 07:23:01,127 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 07:23:01,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 07:23:01 BasicIcfg [2024-04-04 07:23:01,129 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 07:23:01,129 INFO L158 Benchmark]: Toolchain (without parser) took 810757.70ms. Allocated memory was 292.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 222.2MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 526.8MB. Max. memory is 8.0GB. [2024-04-04 07:23:01,129 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 292.6MB. Free memory is still 259.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 07:23:01,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.96ms. Allocated memory is still 292.6MB. Free memory was 221.6MB in the beginning and 210.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 07:23:01,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.15ms. Allocated memory is still 292.6MB. Free memory was 210.1MB in the beginning and 208.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 07:23:01,130 INFO L158 Benchmark]: Boogie Preprocessor took 19.20ms. Allocated memory is still 292.6MB. Free memory was 208.6MB in the beginning and 207.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 07:23:01,130 INFO L158 Benchmark]: RCFGBuilder took 401.26ms. Allocated memory is still 292.6MB. Free memory was 207.0MB in the beginning and 183.4MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2024-04-04 07:23:01,130 INFO L158 Benchmark]: TraceAbstraction took 810070.83ms. Allocated memory was 292.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 182.3MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 486.9MB. Max. memory is 8.0GB. [2024-04-04 07:23:01,131 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 292.6MB. Free memory is still 259.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.96ms. Allocated memory is still 292.6MB. Free memory was 221.6MB in the beginning and 210.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.15ms. Allocated memory is still 292.6MB. Free memory was 210.1MB in the beginning and 208.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.20ms. Allocated memory is still 292.6MB. Free memory was 208.6MB in the beginning and 207.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 401.26ms. Allocated memory is still 292.6MB. Free memory was 207.0MB in the beginning and 183.4MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 810070.83ms. Allocated memory was 292.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 182.3MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 486.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 227128, independent: 189415, independent conditional: 189317, independent unconditional: 98, dependent: 37713, dependent conditional: 37667, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 189475, independent: 189415, independent conditional: 189317, independent unconditional: 98, dependent: 60, dependent conditional: 60, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 189475, independent: 189415, independent conditional: 189317, independent unconditional: 98, dependent: 60, dependent conditional: 60, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 189475, independent: 189415, independent conditional: 189317, independent unconditional: 98, dependent: 60, dependent conditional: 60, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 190861, independent: 189415, independent conditional: 6373, independent unconditional: 183042, dependent: 1446, dependent conditional: 996, dependent unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 190861, independent: 189415, independent conditional: 1293, independent unconditional: 188122, dependent: 1446, dependent conditional: 936, dependent unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 190861, independent: 189415, independent conditional: 1293, independent unconditional: 188122, dependent: 1446, dependent conditional: 936, dependent unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 263, independent: 233, independent conditional: 74, independent unconditional: 159, dependent: 30, dependent conditional: 29, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 263, independent: 160, independent conditional: 0, independent unconditional: 160, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 103, independent: 73, independent conditional: 73, independent unconditional: 0, dependent: 30, dependent conditional: 29, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, independent: 73, independent conditional: 73, independent unconditional: 0, dependent: 30, dependent conditional: 29, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 320, independent: 207, independent conditional: 207, independent unconditional: 0, dependent: 112, dependent conditional: 86, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 190861, independent: 189182, independent conditional: 1219, independent unconditional: 187963, dependent: 1416, dependent conditional: 907, dependent unconditional: 509, unknown: 263, unknown conditional: 103, unknown unconditional: 160] , Statistics on independence cache: Total cache size (in pairs): 263, Positive cache size: 233, Positive conditional cache size: 74, Positive unconditional cache size: 159, Negative cache size: 30, Negative conditional cache size: 29, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5140, Maximal queried relation: 22, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 190861, independent: 189415, independent conditional: 6373, independent unconditional: 183042, dependent: 1446, dependent conditional: 996, dependent unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 190861, independent: 189415, independent conditional: 1293, independent unconditional: 188122, dependent: 1446, dependent conditional: 936, dependent unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 190861, independent: 189415, independent conditional: 1293, independent unconditional: 188122, dependent: 1446, dependent conditional: 936, dependent unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 263, independent: 233, independent conditional: 74, independent unconditional: 159, dependent: 30, dependent conditional: 29, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 263, independent: 160, independent conditional: 0, independent unconditional: 160, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 103, independent: 73, independent conditional: 73, independent unconditional: 0, dependent: 30, dependent conditional: 29, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, independent: 73, independent conditional: 73, independent unconditional: 0, dependent: 30, dependent conditional: 29, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 320, independent: 207, independent conditional: 207, independent unconditional: 0, dependent: 112, dependent conditional: 86, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 190861, independent: 189182, independent conditional: 1219, independent unconditional: 187963, dependent: 1416, dependent conditional: 907, dependent unconditional: 509, unknown: 263, unknown conditional: 103, unknown unconditional: 160] , Statistics on independence cache: Total cache size (in pairs): 263, Positive cache size: 233, Positive conditional cache size: 74, Positive unconditional cache size: 159, Negative cache size: 30, Negative conditional cache size: 29, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5140 ], Independence queries for same thread: 37653 - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 692 with TraceHistMax 39,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 159 known predicates. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 692 with TraceHistMax 39,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 159 known predicates. - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 692 with TraceHistMax 39,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 159 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 127 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 810.0s, OverallIterations: 34, TraceHistogramMax: 0, PathProgramHistogramMax: 30, EmptinessCheckTime: 271.4s, 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: 3622, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 16.2s SatisfiabilityAnalysisTime, 280.2s InterpolantComputationTime, 18513 NumberOfCodeBlocks, 18036 NumberOfCodeBlocksAsserted, 252 NumberOfCheckSat, 27403 ConstructedInterpolants, 332 QuantifiedInterpolants, 232253 SizeOfPredicates, 938 NumberOfNonLiveVariables, 18211 ConjunctsInSsa, 2456 ConjunctsInUnsatCore, 90 InterpolantComputations, 5 PerfectInterpolantSequences, 82996/199075 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