/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 21:24:49,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 21:24:50,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 21:24:50,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 21:24:50,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 21:24:50,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 21:24:50,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 21:24:50,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 21:24:50,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 21:24:50,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 21:24:50,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 21:24:50,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 21:24:50,093 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 21:24:50,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 21:24:50,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 21:24:50,095 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 21:24:50,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 21:24:50,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 21:24:50,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 21:24:50,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 21:24:50,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 21:24:50,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 21:24:50,096 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 21:24:50,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 21:24:50,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 21:24:50,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 21:24:50,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 21:24:50,098 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 21:24:50,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 21:24:50,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 21:24:50,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 21:24:50,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 21:24:50,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 21:24:50,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 21:24:50,099 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 21:24:50,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 21:24:50,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 21:24:50,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 21:24:50,100 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 21:24:50,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-05-05 21:24:50,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 21:24:50,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 21:24:50,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 21:24:50,314 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 21:24:50,314 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 21:24:50,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2024-05-05 21:24:51,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 21:24:51,483 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 21:24:51,484 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2024-05-05 21:24:51,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/711defd09/ecec614a11aa46458ba2d4d4df457e52/FLAG91149be7d [2024-05-05 21:24:51,504 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/711defd09/ecec614a11aa46458ba2d4d4df457e52 [2024-05-05 21:24:51,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 21:24:51,507 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 21:24:51,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 21:24:51,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 21:24:51,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 21:24:51,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a5a641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51, skipping insertion in model container [2024-05-05 21:24:51,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,531 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 21:24:51,643 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/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2024-05-05 21:24:51,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 21:24:51,657 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 21:24:51,673 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/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2024-05-05 21:24:51,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 21:24:51,688 INFO L206 MainTranslator]: Completed translation [2024-05-05 21:24:51,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51 WrapperNode [2024-05-05 21:24:51,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 21:24:51,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 21:24:51,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 21:24:51,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 21:24:51,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,727 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 280 [2024-05-05 21:24:51,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 21:24:51,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 21:24:51,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 21:24:51,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 21:24:51,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 21:24:51,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 21:24:51,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 21:24:51,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 21:24:51,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51" (1/1) ... [2024-05-05 21:24:51,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 21:24:51,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 21:24:51,782 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) [2024-05-05 21:24:51,787 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 [2024-05-05 21:24:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 21:24:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 21:24:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 21:24:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 21:24:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 21:24:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 21:24:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 21:24:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 21:24:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-05 21:24:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-05 21:24:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 21:24:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-05 21:24:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 21:24:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 21:24:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 21:24:51,836 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 21:24:51,925 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 21:24:51,926 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 21:24:52,270 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 21:24:52,283 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 21:24:52,283 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-05-05 21:24:52,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 09:24:52 BoogieIcfgContainer [2024-05-05 21:24:52,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 21:24:52,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 21:24:52,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 21:24:52,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 21:24:52,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 09:24:51" (1/3) ... [2024-05-05 21:24:52,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708a7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 09:24:52, skipping insertion in model container [2024-05-05 21:24:52,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:24:51" (2/3) ... [2024-05-05 21:24:52,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708a7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 09:24:52, skipping insertion in model container [2024-05-05 21:24:52,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 09:24:52" (3/3) ... [2024-05-05 21:24:52,292 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2024-05-05 21:24:52,299 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 21:24:52,307 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 21:24:52,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 21:24:52,308 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 21:24:52,373 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-05 21:24:52,410 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 21:24:52,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 21:24:52,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 21:24:52,414 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) [2024-05-05 21:24:52,426 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 [2024-05-05 21:24:52,454 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 21:24:52,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:24:52,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 21:24:52,472 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;@5f575517, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false [2024-05-05 21:24:52,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-05 21:25:01,036 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 21:25:01,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:25:01,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2034589516, now seen corresponding path program 1 times [2024-05-05 21:25:01,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 21:25:01,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027466320] [2024-05-05 21:25:01,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:25:01,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:25:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:25:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2024-05-05 21:25:01,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 21:25:01,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027466320] [2024-05-05 21:25:01,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027466320] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 21:25:01,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 21:25:01,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 21:25:01,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721932905] [2024-05-05 21:25:01,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 21:25:01,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 21:25:01,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 21:25:02,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 21:25:02,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 21:25:02,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:02,070 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 21:25:02,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 156.5) internal successors, (313), 2 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 21:25:02,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:07,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:07,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 21:25:07,425 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 21:25:07,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:25:07,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1244225216, now seen corresponding path program 1 times [2024-05-05 21:25:07,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 21:25:07,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738734294] [2024-05-05 21:25:07,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:25:07,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:25:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:25:08,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-05-05 21:25:08,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 21:25:08,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738734294] [2024-05-05 21:25:08,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738734294] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 21:25:08,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 21:25:08,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-05 21:25:08,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272909159] [2024-05-05 21:25:08,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 21:25:08,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-05 21:25:08,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 21:25:08,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-05 21:25:08,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-05 21:25:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:08,317 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 21:25:08,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 21:25:08,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:08,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:12,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:25:12,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 21:25:12,879 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 21:25:12,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:25:12,879 INFO L85 PathProgramCache]: Analyzing trace with hash 357252943, now seen corresponding path program 1 times [2024-05-05 21:25:12,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 21:25:12,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043229477] [2024-05-05 21:25:12,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:25:12,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:25:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:25:13,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 287 proven. 2 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-05-05 21:25:13,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 21:25:13,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043229477] [2024-05-05 21:25:13,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043229477] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 21:25:13,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265173797] [2024-05-05 21:25:13,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:25:13,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:25:13,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 21:25:13,566 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) [2024-05-05 21:25:13,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 21:25:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:25:13,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-05 21:25:13,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 21:25:14,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 288 proven. 1 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-05-05 21:25:14,555 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 21:25:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 288 proven. 1 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-05-05 21:25:14,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265173797] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 21:25:14,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 21:25:14,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-05-05 21:25:14,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261657093] [2024-05-05 21:25:14,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 21:25:14,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-05 21:25:14,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 21:25:15,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-05 21:25:15,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-05-05 21:25:15,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:15,533 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 21:25:15,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 24.833333333333332) internal successors, (596), 24 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 21:25:15,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:15,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:25:15,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:20,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:20,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:25:20,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:25:20,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-05 21:25:20,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-05 21:25:20,834 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 21:25:20,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:25:20,835 INFO L85 PathProgramCache]: Analyzing trace with hash 301323998, now seen corresponding path program 2 times [2024-05-05 21:25:20,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 21:25:20,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370234916] [2024-05-05 21:25:20,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:25:20,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:25:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:25:22,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 558 proven. 525 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-05 21:25:22,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 21:25:22,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370234916] [2024-05-05 21:25:22,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370234916] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 21:25:22,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514053633] [2024-05-05 21:25:22,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 21:25:22,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:25:22,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 21:25:22,653 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) [2024-05-05 21:25:22,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 21:25:22,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 21:25:22,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 21:25:22,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-05 21:25:22,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 21:25:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 409 proven. 10 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-05-05 21:25:23,519 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 21:25:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 409 proven. 10 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-05-05 21:25:24,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514053633] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 21:25:24,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 21:25:24,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 15, 15] total 53 [2024-05-05 21:25:24,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880919888] [2024-05-05 21:25:24,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 21:25:24,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-05-05 21:25:24,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 21:25:24,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-05-05 21:25:24,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=2469, Unknown=0, NotChecked=0, Total=2756 [2024-05-05 21:25:24,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:24,595 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 21:25:24,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 21.20754716981132) internal successors, (1124), 53 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 21:25:24,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:24,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:25:24,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:25:24,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:30,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:30,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:25:30,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:25:30,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:25:30,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-05 21:25:30,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:25:30,645 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 21:25:30,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:25:30,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1663968621, now seen corresponding path program 3 times [2024-05-05 21:25:30,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 21:25:30,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724974808] [2024-05-05 21:25:30,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:25:30,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:25:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:25:31,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 626 proven. 182 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-05-05 21:25:31,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 21:25:31,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724974808] [2024-05-05 21:25:31,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724974808] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 21:25:31,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997215341] [2024-05-05 21:25:31,551 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 21:25:31,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:25:31,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 21:25:31,552 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) [2024-05-05 21:25:31,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 21:25:31,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-05 21:25:31,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 21:25:31,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-05 21:25:31,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 21:25:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 634 proven. 174 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-05-05 21:25:32,890 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 21:25:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 382 proven. 545 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-05-05 21:25:33,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997215341] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 21:25:33,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 21:25:33,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 18] total 37 [2024-05-05 21:25:33,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849944676] [2024-05-05 21:25:33,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 21:25:33,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-05 21:25:33,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 21:25:34,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2024-05-05 21:25:36,199 INFO L85 PathProgramCache]: Analyzing trace with hash 371702249, now seen corresponding path program 1 times [2024-05-05 21:25:36,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:25:36,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:25:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 21:25:36,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 21:25:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 21:25:36,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2024-05-05 21:25:37,358 INFO L85 PathProgramCache]: Analyzing trace with hash -2118244220, now seen corresponding path program 1 times [2024-05-05 21:25:37,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:25:37,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:25:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:25:38,247 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-05-05 21:25:38,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:25:38,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:25:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:25:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-05-05 21:25:38,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-05 21:25:38,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=2706, Unknown=0, NotChecked=0, Total=2970 [2024-05-05 21:25:38,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:38,999 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 21:25:39,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 28.45945945945946) internal successors, (1053), 37 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 21:25:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:25:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:25:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:25:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:49,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:49,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:25:49,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:25:49,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:25:49,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:25:49,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-05 21:25:49,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:25:49,956 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 21:25:49,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:25:49,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1124129805, now seen corresponding path program 4 times [2024-05-05 21:25:49,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 21:25:49,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623841958] [2024-05-05 21:25:49,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:25:49,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:25:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:25:51,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1454 proven. 86 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-05-05 21:25:51,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 21:25:51,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623841958] [2024-05-05 21:25:51,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623841958] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 21:25:51,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104698746] [2024-05-05 21:25:51,062 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 21:25:51,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:25:51,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 21:25:51,063 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) [2024-05-05 21:25:51,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-05 21:25:51,460 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 21:25:51,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 21:25:51,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-05 21:25:51,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 21:25:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1513 proven. 27 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-05-05 21:25:52,546 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 21:25:53,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1513 proven. 27 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-05-05 21:25:53,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104698746] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 21:25:53,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 21:25:53,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2024-05-05 21:25:53,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709996107] [2024-05-05 21:25:53,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 21:25:53,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-05-05 21:25:53,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 21:25:54,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-05 21:25:54,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1570, Unknown=0, NotChecked=0, Total=1892 [2024-05-05 21:25:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:54,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 21:25:54,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 26.863636363636363) internal successors, (1182), 44 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 21:25:54,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:25:54,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:25:54,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:25:54,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:25:54,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:25:54,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:26:04,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:26:04,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:26:04,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:26:04,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:26:04,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:26:04,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 21:26:04,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-05 21:26:04,437 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,SelfDestructingSolverStorable8 [2024-05-05 21:26:04,437 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 21:26:04,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:26:04,438 INFO L85 PathProgramCache]: Analyzing trace with hash -599270590, now seen corresponding path program 5 times [2024-05-05 21:26:04,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 21:26:04,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763122729] [2024-05-05 21:26:04,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:26:04,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:26:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:26:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 1789 proven. 198 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-05-05 21:26:05,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 21:26:05,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763122729] [2024-05-05 21:26:05,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763122729] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 21:26:05,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255115625] [2024-05-05 21:26:05,894 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 21:26:05,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:26:05,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 21:26:05,898 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) [2024-05-05 21:26:05,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-05 21:26:06,920 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-05-05 21:26:06,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 21:26:06,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-05 21:26:06,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 21:26:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 526 proven. 1494 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-05-05 21:26:08,599 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 21:26:09,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 697 proven. 693 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2024-05-05 21:26:09,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255115625] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 21:26:09,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 21:26:09,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 12] total 55 [2024-05-05 21:26:09,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751559904] [2024-05-05 21:26:09,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 21:26:09,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-05-05 21:26:09,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 21:26:10,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-05-05 21:26:10,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=2715, Unknown=0, NotChecked=0, Total=2970 [2024-05-05 21:26:10,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:26:10,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 21:26:10,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 33.81818181818182) internal successors, (1860), 55 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 21:26:10,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:26:10,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:26:10,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:26:10,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:26:10,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:26:10,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-05 21:26:10,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:26:30,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:26:30,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:26:30,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:26:30,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:26:30,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:26:30,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 21:26:30,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 21:26:30,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-05 21:26:30,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-05 21:26:30,318 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 21:26:30,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:26:30,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1731411671, now seen corresponding path program 6 times [2024-05-05 21:26:30,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 21:26:30,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035900902] [2024-05-05 21:26:30,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:26:30,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:26:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:26:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3432 backedges. 2699 proven. 202 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2024-05-05 21:26:32,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 21:26:32,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035900902] [2024-05-05 21:26:32,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035900902] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 21:26:32,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254874467] [2024-05-05 21:26:32,160 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 21:26:32,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:26:32,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 21:26:32,161 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) [2024-05-05 21:26:32,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-05 21:26:32,957 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-05-05 21:26:32,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 21:26:32,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-05 21:26:32,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 21:26:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3432 backedges. 923 proven. 2223 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-05-05 21:26:35,067 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 21:26:36,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3432 backedges. 1866 proven. 7 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2024-05-05 21:26:36,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254874467] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 21:26:36,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 21:26:36,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 31, 11] total 65 [2024-05-05 21:26:36,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244170879] [2024-05-05 21:26:36,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 21:26:36,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-05-05 21:26:36,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 21:26:37,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-05-05 21:26:37,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=3896, Unknown=0, NotChecked=0, Total=4160 [2024-05-05 21:26:37,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:26:37,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 21:26:37,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 32.87692307692308) internal successors, (2137), 65 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 21:26:37,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:26:37,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:26:37,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:26:37,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:26:37,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:26:37,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-05 21:26:37,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-05-05 21:26:37,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:27:24,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:27:24,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:27:24,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:27:24,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:27:24,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:27:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 21:27:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 21:27:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 414 states. [2024-05-05 21:27:24,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-05 21:27:24,858 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,SelfDestructingSolverStorable10 [2024-05-05 21:27:24,858 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 21:27:24,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:27:24,859 INFO L85 PathProgramCache]: Analyzing trace with hash 890547288, now seen corresponding path program 7 times [2024-05-05 21:27:24,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 21:27:24,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829269758] [2024-05-05 21:27:24,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:27:24,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:27:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:27:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 2879 proven. 272 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-05-05 21:27:27,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 21:27:27,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829269758] [2024-05-05 21:27:27,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829269758] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 21:27:27,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165107927] [2024-05-05 21:27:27,296 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 21:27:27,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:27:27,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 21:27:27,297 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) [2024-05-05 21:27:27,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-05 21:27:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:27:27,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-05 21:27:27,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 21:27:29,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 3025 proven. 126 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-05-05 21:27:29,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 21:27:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 3025 proven. 126 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-05-05 21:27:31,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165107927] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 21:27:31,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 21:27:31,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2024-05-05 21:27:31,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284689975] [2024-05-05 21:27:31,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 21:27:31,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-05-05 21:27:31,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 21:27:35,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-05-05 21:27:35,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=823, Invalid=4579, Unknown=0, NotChecked=0, Total=5402 [2024-05-05 21:27:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:27:35,837 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 21:27:35,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 26.5) internal successors, (1961), 74 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 21:27:35,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:27:35,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:27:35,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:27:35,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:27:35,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:27:35,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-05 21:27:35,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-05-05 21:27:35,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 414 states. [2024-05-05 21:27:35,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:28:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:28:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:28:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:28:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:28:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:28:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 21:28:08,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 21:28:08,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 414 states. [2024-05-05 21:28:08,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-05 21:28:08,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-05 21:28:08,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:28:08,291 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 21:28:08,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:28:08,291 INFO L85 PathProgramCache]: Analyzing trace with hash -791804185, now seen corresponding path program 8 times [2024-05-05 21:28:08,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 21:28:08,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585672590] [2024-05-05 21:28:08,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:28:08,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:28:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:28:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3642 backedges. 2761 proven. 530 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-05-05 21:28:11,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 21:28:11,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585672590] [2024-05-05 21:28:11,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585672590] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 21:28:11,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5348550] [2024-05-05 21:28:11,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 21:28:11,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:28:11,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 21:28:11,108 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) [2024-05-05 21:28:11,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-05 21:28:11,497 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 21:28:11,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 21:28:11,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-05 21:28:11,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 21:28:13,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3642 backedges. 3116 proven. 175 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-05-05 21:28:13,926 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 21:28:15,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3642 backedges. 3116 proven. 175 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-05-05 21:28:15,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5348550] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 21:28:15,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 21:28:15,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 84 [2024-05-05 21:28:15,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597105863] [2024-05-05 21:28:15,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 21:28:15,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-05-05 21:28:15,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 21:28:19,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-05-05 21:28:19,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1042, Invalid=5930, Unknown=0, NotChecked=0, Total=6972 [2024-05-05 21:28:19,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:28:19,752 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 21:28:19,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 26.273809523809526) internal successors, (2207), 84 states have internal predecessors, (2207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 21:28:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:28:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:28:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:28:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:28:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:28:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-05 21:28:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-05-05 21:28:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 414 states. [2024-05-05 21:28:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-05 21:28:19,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:28:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:28:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:28:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:28:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:28:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:28:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 21:28:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 21:28:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 414 states. [2024-05-05 21:28:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-05 21:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-05 21:28:54,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-05 21:28:54,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:28:54,722 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 21:28:54,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:28:54,723 INFO L85 PathProgramCache]: Analyzing trace with hash 769529974, now seen corresponding path program 9 times [2024-05-05 21:28:54,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 21:28:54,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468427437] [2024-05-05 21:28:54,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:28:54,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:28:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:28:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3813 backedges. 148 proven. 3113 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-05-05 21:28:57,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 21:28:57,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468427437] [2024-05-05 21:28:57,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468427437] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 21:28:57,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335374866] [2024-05-05 21:28:57,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 21:28:57,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:28:57,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 21:28:57,333 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) [2024-05-05 21:28:57,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-05 21:28:59,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-05 21:28:59,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 21:28:59,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-05 21:28:59,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 21:29:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3813 backedges. 104 proven. 3013 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-05-05 21:29:02,049 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 21:29:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3813 backedges. 724 proven. 616 refuted. 0 times theorem prover too weak. 2473 trivial. 0 not checked. [2024-05-05 21:29:03,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335374866] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 21:29:03,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 21:29:03,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33, 11] total 73 [2024-05-05 21:29:03,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14862576] [2024-05-05 21:29:03,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 21:29:03,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-05-05 21:29:03,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 21:29:06,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-05-05 21:29:06,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=4957, Unknown=0, NotChecked=0, Total=5256 [2024-05-05 21:29:06,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:29:06,038 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 21:29:06,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 32.54794520547945) internal successors, (2376), 73 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 21:29:06,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:29:06,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:29:06,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:29:06,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:29:06,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:29:06,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-05 21:29:06,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-05-05 21:29:06,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 414 states. [2024-05-05 21:29:06,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-05 21:29:06,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-05 21:29:06,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:30:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 21:30:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 21:30:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 21:30:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 21:30:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 21:30:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 21:30:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 21:30:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 414 states. [2024-05-05 21:30:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-05 21:30:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-05 21:30:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states. [2024-05-05 21:30:02,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-05 21:30:03,043 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,SelfDestructingSolverStorable13 [2024-05-05 21:30:03,043 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 21:30:03,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 21:30:03,044 INFO L85 PathProgramCache]: Analyzing trace with hash 736038554, now seen corresponding path program 10 times [2024-05-05 21:30:03,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 21:30:03,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503115468] [2024-05-05 21:30:03,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 21:30:03,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 21:30:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 21:31:38,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4024 backedges. 1325 proven. 2235 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2024-05-05 21:31:38,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 21:31:38,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503115468] [2024-05-05 21:31:38,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503115468] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 21:31:38,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002275388] [2024-05-05 21:31:38,363 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 21:31:38,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 21:31:38,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 21:31:38,366 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) [2024-05-05 21:31:38,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-05 21:31:38,724 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 21:31:38,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 21:31:38,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 717 conjunts are in the unsatisfiable core [2024-05-05 21:31:38,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 21:31:49,492 INFO L349 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2024-05-05 21:31:49,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 58 [2024-05-05 21:32:06,694 INFO L349 Elim1Store]: treesize reduction 144, result has 43.1 percent of original size [2024-05-05 21:32:06,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 139 treesize of output 184