/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 02:23:40,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 02:23:40,093 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 02:23:40,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 02:23:40,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 02:23:40,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 02:23:40,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 02:23:40,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 02:23:40,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 02:23:40,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 02:23:40,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 02:23:40,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 02:23:40,125 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 02:23:40,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 02:23:40,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 02:23:40,126 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 02:23:40,126 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 02:23:40,126 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 02:23:40,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 02:23:40,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 02:23:40,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 02:23:40,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 02:23:40,127 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 02:23:40,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 02:23:40,128 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 02:23:40,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 02:23:40,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 02:23:40,128 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 02:23:40,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 02:23:40,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 02:23:40,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 02:23:40,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 02:23:40,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 02:23:40,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 02:23:40,130 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 02:23:40,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 02:23:40,130 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 02:23:40,130 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 02:23:40,130 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 02:23:40,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-05 02:23:40,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 02:23:40,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 02:23:40,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 02:23:40,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 02:23:40,383 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 02:23:40,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2024-04-05 02:23:41,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 02:23:41,488 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 02:23:41,489 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2024-04-05 02:23:41,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7acc63aab/25a5418a2dde433b901093a24b5986f2/FLAG95f33d51e [2024-04-05 02:23:41,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7acc63aab/25a5418a2dde433b901093a24b5986f2 [2024-04-05 02:23:41,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 02:23:41,518 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 02:23:41,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 02:23:41,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 02:23:41,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 02:23:41,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2bb15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41, skipping insertion in model container [2024-04-05 02:23:41,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 02:23:41,677 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/chl-name-comparator-symm.wvr.c[3856,3869] [2024-04-05 02:23:41,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 02:23:41,691 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 02:23:41,711 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/chl-name-comparator-symm.wvr.c[3856,3869] [2024-04-05 02:23:41,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 02:23:41,731 INFO L206 MainTranslator]: Completed translation [2024-04-05 02:23:41,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41 WrapperNode [2024-04-05 02:23:41,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 02:23:41,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 02:23:41,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 02:23:41,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 02:23:41,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,776 INFO L138 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 227 [2024-04-05 02:23:41,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 02:23:41,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 02:23:41,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 02:23:41,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 02:23:41,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 02:23:41,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 02:23:41,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 02:23:41,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 02:23:41,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41" (1/1) ... [2024-04-05 02:23:41,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 02:23:41,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:23:41,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 02:23:41,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 02:23:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 02:23:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 02:23:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 02:23:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 02:23:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 02:23:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 02:23:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 02:23:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 02:23:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 02:23:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 02:23:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 02:23:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 02:23:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 02:23:41,881 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 02:23:41,953 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 02:23:41,955 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 02:23:42,229 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 02:23:42,287 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 02:23:42,287 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-05 02:23:42,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 02:23:42 BoogieIcfgContainer [2024-04-05 02:23:42,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 02:23:42,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 02:23:42,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 02:23:42,293 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 02:23:42,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 02:23:41" (1/3) ... [2024-04-05 02:23:42,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce0a8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 02:23:42, skipping insertion in model container [2024-04-05 02:23:42,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:23:41" (2/3) ... [2024-04-05 02:23:42,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce0a8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 02:23:42, skipping insertion in model container [2024-04-05 02:23:42,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 02:23:42" (3/3) ... [2024-04-05 02:23:42,294 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c [2024-04-05 02:23:42,314 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 02:23:42,321 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 02:23:42,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 02:23:42,321 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 02:23:42,391 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-05 02:23:42,422 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 02:23:42,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 02:23:42,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:23:42,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 02:23:42,426 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 [2024-04-05 02:23:42,449 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 02:23:42,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:42,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 02:23:42,463 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;@54940915, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 02:23:42,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-05 02:23:42,571 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:42,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:42,573 INFO L85 PathProgramCache]: Analyzing trace with hash -283370668, now seen corresponding path program 1 times [2024-04-05 02:23:42,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:42,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306070045] [2024-04-05 02:23:42,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:42,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 02:23:42,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:42,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306070045] [2024-04-05 02:23:42,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306070045] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 02:23:42,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 02:23:42,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 02:23:42,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817689476] [2024-04-05 02:23:42,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 02:23:42,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 02:23:42,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:42,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 02:23:42,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 02:23:42,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:42,887 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:42,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 104.0) internal successors, (208), 2 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:42,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:42,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:42,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 02:23:42,990 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:42,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:42,992 INFO L85 PathProgramCache]: Analyzing trace with hash 953304847, now seen corresponding path program 1 times [2024-04-05 02:23:42,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:42,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359018664] [2024-04-05 02:23:42,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:42,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 02:23:43,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:43,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359018664] [2024-04-05 02:23:43,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359018664] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 02:23:43,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 02:23:43,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-05 02:23:43,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317264983] [2024-04-05 02:23:43,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 02:23:43,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 02:23:43,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:43,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 02:23:43,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-05 02:23:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:43,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:43,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:43,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:43,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:43,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 02:23:43,387 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:43,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:43,388 INFO L85 PathProgramCache]: Analyzing trace with hash -61610705, now seen corresponding path program 1 times [2024-04-05 02:23:43,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:43,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589763357] [2024-04-05 02:23:43,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:43,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:43,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 02:23:43,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:43,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589763357] [2024-04-05 02:23:43,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589763357] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:23:43,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354350343] [2024-04-05 02:23:43,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:43,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:23:43,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:23:43,702 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:23:43,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 02:23:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:43,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-05 02:23:43,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:23:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 02:23:43,946 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:23:44,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 02:23:44,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354350343] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 02:23:44,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 02:23:44,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-04-05 02:23:44,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410373061] [2024-04-05 02:23:44,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 02:23:44,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-05 02:23:44,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:44,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-05 02:23:44,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-04-05 02:23:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:44,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:44,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.571428571428573) internal successors, (246), 14 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:44,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:44,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:44,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:44,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 02:23:44,380 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 [2024-04-05 02:23:44,381 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:44,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:44,381 INFO L85 PathProgramCache]: Analyzing trace with hash 27705711, now seen corresponding path program 2 times [2024-04-05 02:23:44,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:44,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629064799] [2024-04-05 02:23:44,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:44,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:44,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:44,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629064799] [2024-04-05 02:23:44,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629064799] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 02:23:44,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 02:23:44,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 02:23:44,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262574164] [2024-04-05 02:23:44,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 02:23:44,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 02:23:44,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:44,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 02:23:44,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-04-05 02:23:44,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:44,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:44,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.571428571428573) internal successors, (207), 7 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:44,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:44,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:44,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:44,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:44,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:44,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:44,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:44,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 02:23:44,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-05 02:23:44,715 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:44,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:44,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1168432612, now seen corresponding path program 1 times [2024-04-05 02:23:44,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:44,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391963305] [2024-04-05 02:23:44,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:44,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:44,896 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:44,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:44,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391963305] [2024-04-05 02:23:44,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391963305] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 02:23:44,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 02:23:44,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 02:23:44,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766690903] [2024-04-05 02:23:44,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 02:23:44,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 02:23:44,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:44,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 02:23:44,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-05 02:23:44,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:44,899 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:44,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:44,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:44,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:44,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:44,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 02:23:44,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:44,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:44,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:44,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:44,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 02:23:44,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 02:23:44,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-05 02:23:44,993 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:44,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:44,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1217485039, now seen corresponding path program 1 times [2024-04-05 02:23:44,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:44,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821339519] [2024-04-05 02:23:44,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:44,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:45,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:45,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821339519] [2024-04-05 02:23:45,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821339519] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 02:23:45,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 02:23:45,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-04-05 02:23:45,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198676066] [2024-04-05 02:23:45,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 02:23:45,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-05 02:23:45,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:45,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-05 02:23:45,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-04-05 02:23:45,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:45,453 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:45,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.3) internal successors, (163), 10 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:45,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:45,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:45,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:45,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 02:23:45,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 02:23:45,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:45,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:45,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:45,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:45,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 02:23:45,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 02:23:45,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 02:23:45,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-05 02:23:45,681 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:45,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:45,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1984536972, now seen corresponding path program 1 times [2024-04-05 02:23:45,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:45,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323702622] [2024-04-05 02:23:45,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:45,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:45,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:45,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323702622] [2024-04-05 02:23:45,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323702622] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 02:23:45,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 02:23:45,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-05 02:23:45,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204591064] [2024-04-05 02:23:45,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 02:23:45,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-05 02:23:45,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:45,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 02:23:45,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-04-05 02:23:45,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:45,960 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:45,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 02:23:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 02:23:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 02:23:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:46,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:46,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:46,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:46,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:46,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 02:23:46,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:46,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:46,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-05 02:23:46,449 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:46,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:46,450 INFO L85 PathProgramCache]: Analyzing trace with hash 217333699, now seen corresponding path program 1 times [2024-04-05 02:23:46,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:46,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416460330] [2024-04-05 02:23:46,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:46,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:46,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:46,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416460330] [2024-04-05 02:23:46,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416460330] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 02:23:46,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 02:23:46,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 02:23:46,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302823474] [2024-04-05 02:23:46,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 02:23:46,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 02:23:46,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:46,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 02:23:46,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-04-05 02:23:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:46,635 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:46,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.285714285714285) internal successors, (226), 7 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:46,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:46,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:46,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:46,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 02:23:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:46,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:46,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:23:46,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:46,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-04-05 02:23:46,843 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:46,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:46,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1146671976, now seen corresponding path program 1 times [2024-04-05 02:23:46,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:46,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712588145] [2024-04-05 02:23:46,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:46,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:47,113 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:47,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:47,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712588145] [2024-04-05 02:23:47,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712588145] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:23:47,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881001250] [2024-04-05 02:23:47,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:47,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:23:47,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:23:47,118 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:23:47,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 02:23:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:47,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 02:23:47,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:23:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:47,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:23:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:47,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881001250] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-05 02:23:47,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-05 02:23:47,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 18 [2024-04-05 02:23:47,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588772756] [2024-04-05 02:23:47,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 02:23:47,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-05 02:23:47,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:47,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-05 02:23:47,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2024-04-05 02:23:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:47,778 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:47,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.666666666666668) internal successors, (204), 9 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:47,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:47,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:47,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:47,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:47,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:47,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:47,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:23:47,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:47,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:48,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:48,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:23:48,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:48,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:48,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 02:23:48,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:23:48,238 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:48,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:48,238 INFO L85 PathProgramCache]: Analyzing trace with hash 826716941, now seen corresponding path program 1 times [2024-04-05 02:23:48,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:48,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808366352] [2024-04-05 02:23:48,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:48,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:48,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:48,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808366352] [2024-04-05 02:23:48,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808366352] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 02:23:48,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 02:23:48,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-05 02:23:48,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183104729] [2024-04-05 02:23:48,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 02:23:48,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-05 02:23:48,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:48,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 02:23:48,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-05 02:23:48,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:48,470 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:48,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:48,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:48,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:48,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:48,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:48,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:48,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:48,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:23:48,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:48,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:48,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:49,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:49,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:49,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:49,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:49,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:49,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:49,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:23:49,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:49,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:49,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:23:49,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-04-05 02:23:49,001 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:49,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:49,002 INFO L85 PathProgramCache]: Analyzing trace with hash 967309782, now seen corresponding path program 1 times [2024-04-05 02:23:49,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:49,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748365251] [2024-04-05 02:23:49,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:49,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:49,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:49,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748365251] [2024-04-05 02:23:49,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748365251] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:23:49,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90090067] [2024-04-05 02:23:49,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:49,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:23:49,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:23:49,245 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:23:49,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 02:23:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:49,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 52 conjunts are in the unsatisfiable core [2024-04-05 02:23:49,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:23:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-04-05 02:23:50,235 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 02:23:50,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90090067] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 02:23:50,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 02:23:50,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [8] total 31 [2024-04-05 02:23:50,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550635833] [2024-04-05 02:23:50,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 02:23:50,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-05 02:23:50,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:50,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-05 02:23:50,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=858, Unknown=0, NotChecked=0, Total=930 [2024-04-05 02:23:50,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:50,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:50,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.76) internal successors, (244), 25 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:23:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:23:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:23:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:23:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-05 02:23:52,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 02:23:52,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:23:52,360 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:52,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:52,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1685981599, now seen corresponding path program 1 times [2024-04-05 02:23:52,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:52,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595389153] [2024-04-05 02:23:52,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:52,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:52,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:52,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595389153] [2024-04-05 02:23:52,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595389153] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:23:52,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079873910] [2024-04-05 02:23:52,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:52,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:23:52,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:23:52,530 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:23:52,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 02:23:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:52,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 02:23:52,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:23:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:52,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:23:52,861 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:52,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079873910] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 02:23:52,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 02:23:52,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-04-05 02:23:52,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434258829] [2024-04-05 02:23:52,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 02:23:52,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-05 02:23:52,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:52,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-05 02:23:52,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-04-05 02:23:52,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:52,864 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:52,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 22.866666666666667) internal successors, (343), 15 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:52,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:52,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:52,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:52,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:52,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:52,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:52,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:23:52,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:52,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:52,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:23:52,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-05 02:23:52,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:53,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:23:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:23:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:23:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:23:53,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 02:23:53,612 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,SelfDestructingSolverStorable11 [2024-04-05 02:23:53,613 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:53,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:53,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1032084875, now seen corresponding path program 1 times [2024-04-05 02:23:53,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:53,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365910222] [2024-04-05 02:23:53,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:53,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:53,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:53,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365910222] [2024-04-05 02:23:53,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365910222] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:23:53,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982968881] [2024-04-05 02:23:53,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:53,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:23:53,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:23:53,791 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:23:53,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 02:23:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:53,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 02:23:53,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:23:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:54,012 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:23:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:54,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982968881] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 02:23:54,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 02:23:54,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-04-05 02:23:54,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100935354] [2024-04-05 02:23:54,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 02:23:54,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-05 02:23:54,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:23:54,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-05 02:23:54,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-04-05 02:23:54,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:54,100 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:23:54,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 24.0) internal successors, (360), 15 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:23:54,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:54,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:54,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:54,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:54,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:54,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:54,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:23:54,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:54,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:54,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:23:54,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:23:54,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:23:54,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:54,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:23:54,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:23:54,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:23:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:23:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:23:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:23:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:23:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:23:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:23:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:23:54,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 02:23:54,858 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,SelfDestructingSolverStorable12 [2024-04-05 02:23:54,859 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:23:54,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:23:54,860 INFO L85 PathProgramCache]: Analyzing trace with hash 104599510, now seen corresponding path program 1 times [2024-04-05 02:23:54,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:23:54,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555703801] [2024-04-05 02:23:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:54,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:23:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:56,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:23:56,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555703801] [2024-04-05 02:23:56,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555703801] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:23:56,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638235526] [2024-04-05 02:23:56,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:23:56,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:23:56,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:23:56,768 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:23:56,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 02:23:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:23:56,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-05 02:23:56,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:23:58,199 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 61 treesize of output 41 [2024-04-05 02:23:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:23:59,352 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:24:02,088 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 02:24:02,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 17 [2024-04-05 02:24:02,097 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 02:24:02,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 31 [2024-04-05 02:24:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:24:02,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638235526] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 02:24:02,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 02:24:02,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 30, 30] total 90 [2024-04-05 02:24:02,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237701291] [2024-04-05 02:24:02,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 02:24:02,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-04-05 02:24:02,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:24:02,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-04-05 02:24:02,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=686, Invalid=7324, Unknown=0, NotChecked=0, Total=8010 [2024-04-05 02:24:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:24:02,363 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:24:02,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 4.533333333333333) internal successors, (408), 90 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:24:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:24:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:24:30,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-05 02:24:30,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 02:24:30,972 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,SelfDestructingSolverStorable13 [2024-04-05 02:24:30,973 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:24:30,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:24:30,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1060328250, now seen corresponding path program 2 times [2024-04-05 02:24:30,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:24:30,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830683681] [2024-04-05 02:24:30,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:24:30,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:24:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:24:31,986 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:24:31,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:24:31,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830683681] [2024-04-05 02:24:31,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830683681] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:24:31,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329481221] [2024-04-05 02:24:31,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 02:24:31,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:24:31,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:24:31,988 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:24:31,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 02:24:32,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 02:24:32,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 02:24:32,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 47 conjunts are in the unsatisfiable core [2024-04-05 02:24:32,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:24:32,973 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 38 treesize of output 26 [2024-04-05 02:24:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:24:33,299 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:24:33,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 02:24:33,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 27 [2024-04-05 02:24:33,957 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:24:33,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329481221] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 02:24:33,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 02:24:33,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 25, 18] total 61 [2024-04-05 02:24:33,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129201493] [2024-04-05 02:24:33,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 02:24:33,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-04-05 02:24:33,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:24:33,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-04-05 02:24:33,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=3310, Unknown=0, NotChecked=0, Total=3660 [2024-04-05 02:24:33,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:24:33,960 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:24:33,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 6.426229508196721) internal successors, (392), 61 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-04-05 02:24:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:24:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:24:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:24:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:24:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:24:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:24:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:24:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:24:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:24:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:24:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2024-04-05 02:24:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-05 02:24:41,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 02:24:41,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:24:41,445 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:24:41,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:24:41,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1141727613, now seen corresponding path program 3 times [2024-04-05 02:24:41,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:24:41,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128222706] [2024-04-05 02:24:41,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:24:41,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:24:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:24:44,163 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:24:44,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:24:44,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128222706] [2024-04-05 02:24:44,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128222706] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:24:44,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576492517] [2024-04-05 02:24:44,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 02:24:44,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:24:44,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:24:44,164 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:24:44,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 02:24:44,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-05 02:24:44,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 02:24:44,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 105 conjunts are in the unsatisfiable core [2024-04-05 02:24:44,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:24:50,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 02:24:50,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 54 [2024-04-05 02:24:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 17 proven. 46 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 02:24:51,381 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:24:56,185 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 02:24:56,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 218 treesize of output 114 [2024-04-05 02:24:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:24:56,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576492517] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 02:24:56,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 02:24:56,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 54, 41] total 125 [2024-04-05 02:24:56,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713733674] [2024-04-05 02:24:56,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 02:24:56,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2024-04-05 02:24:56,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:24:56,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2024-04-05 02:24:56,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=808, Invalid=14692, Unknown=0, NotChecked=0, Total=15500 [2024-04-05 02:24:56,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:24:56,725 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:24:56,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 4.592) internal successors, (574), 125 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-05 02:24:56,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:25:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 02:25:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 02:25:36,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2024-04-05 02:25:36,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-05 02:25:36,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-05 02:25:36,737 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:25:36,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:25:36,737 INFO L85 PathProgramCache]: Analyzing trace with hash 527932362, now seen corresponding path program 2 times [2024-04-05 02:25:36,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:25:36,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945297920] [2024-04-05 02:25:36,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:25:36,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:25:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:25:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:25:39,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:25:39,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945297920] [2024-04-05 02:25:39,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945297920] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:25:39,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513094145] [2024-04-05 02:25:39,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 02:25:39,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:25:39,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:25:39,320 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:25:39,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-05 02:25:39,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 02:25:39,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 02:25:39,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 69 conjunts are in the unsatisfiable core [2024-04-05 02:25:39,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:25:40,245 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 39 treesize of output 21 [2024-04-05 02:25:40,897 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 02:25:40,897 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:25:41,653 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-05 02:25:41,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-04-05 02:25:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 10 proven. 76 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:25:41,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513094145] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 02:25:41,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 02:25:41,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 33, 25] total 94 [2024-04-05 02:25:41,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65257420] [2024-04-05 02:25:41,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 02:25:41,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-04-05 02:25:41,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:25:41,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-04-05 02:25:41,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=562, Invalid=8180, Unknown=0, NotChecked=0, Total=8742 [2024-04-05 02:25:41,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:25:41,942 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:25:41,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 6.340425531914893) internal successors, (596), 94 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) [2024-04-05 02:25:41,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:25:41,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:25:41,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:25:41,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:25:41,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:25:41,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:25:41,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:25:41,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:25:41,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:25:41,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:25:41,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:25:41,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:25:41,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:25:41,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 02:25:41,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 02:25:41,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2024-04-05 02:25:41,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:25:58,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2024-04-05 02:25:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2024-04-05 02:25:58,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-05 02:25:59,125 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,SelfDestructingSolverStorable16 [2024-04-05 02:25:59,125 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:25:59,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:25:59,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1228762177, now seen corresponding path program 4 times [2024-04-05 02:25:59,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:25:59,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759910505] [2024-04-05 02:25:59,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:25:59,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:25:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:26:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 6 proven. 80 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:26:00,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:26:00,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759910505] [2024-04-05 02:26:00,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759910505] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:26:00,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874173011] [2024-04-05 02:26:00,386 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 02:26:00,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:26:00,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:26:00,387 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:26:00,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-05 02:26:00,512 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 02:26:00,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 02:26:00,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 56 conjunts are in the unsatisfiable core [2024-04-05 02:26:00,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:26:01,089 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 39 treesize of output 21 [2024-04-05 02:26:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 6 proven. 95 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-05 02:26:01,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:26:01,999 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-05 02:26:01,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-04-05 02:26:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 16 proven. 70 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:26:02,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874173011] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 02:26:02,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 02:26:02,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 26, 24] total 77 [2024-04-05 02:26:02,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465375066] [2024-04-05 02:26:02,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 02:26:02,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-04-05 02:26:02,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:26:02,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-04-05 02:26:02,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=5497, Unknown=0, NotChecked=0, Total=5852 [2024-04-05 02:26:02,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:26:02,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:26:02,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 6.324675324675325) internal successors, (487), 77 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2024-04-05 02:26:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-04-05 02:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-04-05 02:26:34,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 274 states. [2024-04-05 02:26:34,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2024-04-05 02:26:34,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-05 02:26:34,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-05 02:26:34,913 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:26:34,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:26:34,914 INFO L85 PathProgramCache]: Analyzing trace with hash -115813236, now seen corresponding path program 3 times [2024-04-05 02:26:34,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:26:34,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258314205] [2024-04-05 02:26:34,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:26:34,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:26:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:26:35,128 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 96 proven. 89 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:26:35,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:26:35,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258314205] [2024-04-05 02:26:35,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258314205] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:26:35,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848625285] [2024-04-05 02:26:35,128 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 02:26:35,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:26:35,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:26:35,129 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:26:35,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-05 02:26:35,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-05 02:26:35,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 02:26:35,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-05 02:26:35,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:26:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 176 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:26:35,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:26:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 176 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:26:35,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848625285] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 02:26:35,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 02:26:35,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 15 [2024-04-05 02:26:35,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572292435] [2024-04-05 02:26:35,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 02:26:35,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-05 02:26:35,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:26:35,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-05 02:26:35,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-04-05 02:26:35,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:26:35,637 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:26:35,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 24.4) internal successors, (366), 15 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 274 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2024-04-05 02:26:35,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:26:39,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:26:39,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:26:39,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:26:39,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:39,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:39,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 274 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 305 states. [2024-04-05 02:26:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 02:26:39,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-05 02:26:39,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:26:39,530 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:26:39,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:26:39,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1857852135, now seen corresponding path program 2 times [2024-04-05 02:26:39,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:26:39,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902971151] [2024-04-05 02:26:39,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:26:39,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:26:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:26:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-05 02:26:42,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:26:42,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902971151] [2024-04-05 02:26:42,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902971151] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:26:42,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125132428] [2024-04-05 02:26:42,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 02:26:42,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:26:42,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:26:42,643 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:26:42,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-05 02:26:42,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 02:26:42,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 02:26:42,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 67 conjunts are in the unsatisfiable core [2024-04-05 02:26:42,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:26:43,652 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 63 treesize of output 33 [2024-04-05 02:26:44,193 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 02:26:44,193 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:26:44,681 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-05 02:26:44,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-04-05 02:26:45,288 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 52 proven. 74 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:26:45,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125132428] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 02:26:45,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 02:26:45,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 33, 28] total 108 [2024-04-05 02:26:45,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042307874] [2024-04-05 02:26:45,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 02:26:45,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-04-05 02:26:45,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:26:45,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-04-05 02:26:45,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=756, Invalid=10800, Unknown=0, NotChecked=0, Total=11556 [2024-04-05 02:26:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:26:45,292 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:26:45,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 6.185185185185185) internal successors, (668), 108 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 274 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 305 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 02:26:45,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:27:23,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 02:27:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 397 states. [2024-04-05 02:27:23,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-05 02:27:23,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:27:23,264 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:27:23,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:27:23,264 INFO L85 PathProgramCache]: Analyzing trace with hash 806152995, now seen corresponding path program 3 times [2024-04-05 02:27:23,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:27:23,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913455344] [2024-04-05 02:27:23,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:27:23,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:27:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:27:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 88 proven. 97 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:27:23,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:27:23,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913455344] [2024-04-05 02:27:23,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913455344] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:27:23,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198889358] [2024-04-05 02:27:23,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 02:27:23,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:27:23,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:27:23,469 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:27:23,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-05 02:27:23,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-05 02:27:23,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 02:27:23,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-05 02:27:23,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:27:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 176 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:27:23,905 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:27:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 176 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:27:24,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198889358] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 02:27:24,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 02:27:24,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 16 [2024-04-05 02:27:24,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078950942] [2024-04-05 02:27:24,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 02:27:24,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-05 02:27:24,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:27:24,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-05 02:27:24,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-04-05 02:27:24,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:27:24,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:27:24,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 23.8125) internal successors, (381), 16 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:27:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:27:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:27:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:27:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:27:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:27:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:27:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:27:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:27:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:27:24,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:27:24,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 02:27:24,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:27:24,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:27:24,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2024-04-05 02:27:24,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-04-05 02:27:24,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 295 states. [2024-04-05 02:27:24,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-04-05 02:27:24,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2024-04-05 02:27:24,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 02:27:24,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 397 states. [2024-04-05 02:27:24,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:31:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:31:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:31:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:31:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:31:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 798 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 659 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 754 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 788 states. [2024-04-05 02:31:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 02:31:29,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-05 02:31:30,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:31:30,062 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 02:31:30,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 02:31:30,063 INFO L85 PathProgramCache]: Analyzing trace with hash -58149510, now seen corresponding path program 5 times [2024-04-05 02:31:30,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 02:31:30,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766138512] [2024-04-05 02:31:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 02:31:30,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 02:31:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 02:31:32,779 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:31:32,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 02:31:32,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766138512] [2024-04-05 02:31:32,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766138512] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 02:31:32,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162748186] [2024-04-05 02:31:32,779 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 02:31:32,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:31:32,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 02:31:32,780 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 02:31:32,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-05 02:31:32,905 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-05 02:31:32,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 02:31:32,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 77 conjunts are in the unsatisfiable core [2024-04-05 02:31:32,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 02:31:32,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-04-05 02:31:32,967 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 02:31:32,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-04-05 02:31:33,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-05 02:31:34,444 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 88 treesize of output 56 [2024-04-05 02:31:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:31:35,607 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 02:31:38,647 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (= |c_thread1Thread1of1ForFork0_#t~mem2#1| c_~name_1~0)) (.cse3 (forall ((v_ArrVal_558 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_558) c_~nondet_0~0.base) c_~nondet_0~0.offset) c_~name_2~0)))) (.cse0 (forall ((v_ArrVal_558 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_558) c_~nondet_0~0.base) c_~nondet_0~0.offset) c_~name_1~0)))) (.cse2 (= 0 c_~break_6~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not .cse1)) (or (and (or .cse3 .cse2) (or .cse0 (not .cse2))) (and (not (= |c_thread1Thread1of1ForFork0_#t~mem2#1| c_~name_2~0)) .cse2)))) is different from false [2024-04-05 02:31:38,670 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 02:31:38,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 33 [2024-04-05 02:31:38,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-04-05 02:31:38,681 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 02:31:38,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-04-05 02:31:39,401 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 02:31:39,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162748186] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 02:31:39,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 02:31:39,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 36, 36] total 96 [2024-04-05 02:31:39,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694185711] [2024-04-05 02:31:39,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 02:31:39,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-04-05 02:31:39,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 02:31:39,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-04-05 02:31:39,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=614, Invalid=8319, Unknown=1, NotChecked=186, Total=9120 [2024-04-05 02:31:39,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:31:39,405 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 02:31:39,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 4.75) internal successors, (456), 96 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-05 02:31:39,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-04-05 02:31:39,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 798 states. [2024-04-05 02:31:39,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 659 states. [2024-04-05 02:31:39,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 754 states. [2024-04-05 02:31:39,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 02:31:39,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 788 states. [2024-04-05 02:31:39,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 02:31:39,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:32:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 02:32:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 02:32:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 02:32:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:32:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:32:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 02:32:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:32:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 02:32:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 02:32:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 02:32:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 02:32:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:32:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 02:32:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 507 states. [2024-04-05 02:32:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2024-04-05 02:32:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 818 states. [2024-04-05 02:32:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 664 states. [2024-04-05 02:32:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 754 states. [2024-04-05 02:32:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 02:32:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 793 states. [2024-04-05 02:32:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 02:32:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-05 02:32:00,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-05 02:32:00,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-05 02:32:00,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-05 02:32:00,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-05 02:32:00,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 02:32:00,660 INFO L445 BasicCegarLoop]: Path program histogram: [5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-05 02:32:00,662 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 02:32:00,662 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 02:32:00,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 02:32:00 BasicIcfg [2024-04-05 02:32:00,664 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 02:32:00,664 INFO L158 Benchmark]: Toolchain (without parser) took 499145.55ms. Allocated memory was 353.4MB in the beginning and 5.6GB in the end (delta: 5.2GB). Free memory was 282.4MB in the beginning and 4.5GB in the end (delta: -4.2GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2024-04-05 02:32:00,664 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 353.4MB. Free memory is still 321.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 02:32:00,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.14ms. Allocated memory is still 353.4MB. Free memory was 282.1MB in the beginning and 269.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-05 02:32:00,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.08ms. Allocated memory is still 353.4MB. Free memory was 269.7MB in the beginning and 267.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 02:32:00,664 INFO L158 Benchmark]: Boogie Preprocessor took 28.43ms. Allocated memory is still 353.4MB. Free memory was 267.3MB in the beginning and 265.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 02:32:00,665 INFO L158 Benchmark]: RCFGBuilder took 482.69ms. Allocated memory is still 353.4MB. Free memory was 265.4MB in the beginning and 319.0MB in the end (delta: -53.6MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2024-04-05 02:32:00,665 INFO L158 Benchmark]: TraceAbstraction took 498373.31ms. Allocated memory was 353.4MB in the beginning and 5.6GB in the end (delta: 5.2GB). Free memory was 318.1MB in the beginning and 4.5GB in the end (delta: -4.2GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-04-05 02:32:00,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 353.4MB. Free memory is still 321.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 211.14ms. Allocated memory is still 353.4MB. Free memory was 282.1MB in the beginning and 269.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.08ms. Allocated memory is still 353.4MB. Free memory was 269.7MB in the beginning and 267.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.43ms. Allocated memory is still 353.4MB. Free memory was 267.3MB in the beginning and 265.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 482.69ms. Allocated memory is still 353.4MB. Free memory was 265.4MB in the beginning and 319.0MB in the end (delta: -53.6MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 498373.31ms. Allocated memory was 353.4MB in the beginning and 5.6GB in the end (delta: 5.2GB). Free memory was 318.1MB in the beginning and 4.5GB in the end (delta: -4.2GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 960229, independent: 883700, independent conditional: 883255, independent unconditional: 445, dependent: 76529, dependent conditional: 76341, dependent unconditional: 188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 883702, independent: 883700, independent conditional: 883255, independent unconditional: 445, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 883702, independent: 883700, independent conditional: 883255, independent unconditional: 445, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 883702, independent: 883700, independent conditional: 883255, independent unconditional: 445, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 883738, independent: 883700, independent conditional: 4831, independent unconditional: 878869, dependent: 38, dependent conditional: 28, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 883738, independent: 883700, independent conditional: 2208, independent unconditional: 881492, dependent: 38, dependent conditional: 20, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 883738, independent: 883700, independent conditional: 2208, independent unconditional: 881492, dependent: 38, dependent conditional: 20, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7726, independent: 7715, independent conditional: 8, independent unconditional: 7707, dependent: 11, dependent conditional: 10, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7726, independent: 7713, independent conditional: 0, independent unconditional: 7713, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 13, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 11, dependent conditional: 10, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 11, dependent conditional: 10, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 37, dependent conditional: 15, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 883738, independent: 875985, independent conditional: 2200, independent unconditional: 873785, dependent: 27, dependent conditional: 10, dependent unconditional: 17, unknown: 7726, unknown conditional: 18, unknown unconditional: 7708] , Statistics on independence cache: Total cache size (in pairs): 7726, Positive cache size: 7715, Positive conditional cache size: 8, Positive unconditional cache size: 7707, Negative cache size: 11, Negative conditional cache size: 10, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2631, Maximal queried relation: 14, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 883738, independent: 883700, independent conditional: 4831, independent unconditional: 878869, dependent: 38, dependent conditional: 28, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 883738, independent: 883700, independent conditional: 2208, independent unconditional: 881492, dependent: 38, dependent conditional: 20, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 883738, independent: 883700, independent conditional: 2208, independent unconditional: 881492, dependent: 38, dependent conditional: 20, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7726, independent: 7715, independent conditional: 8, independent unconditional: 7707, dependent: 11, dependent conditional: 10, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7726, independent: 7713, independent conditional: 0, independent unconditional: 7713, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 13, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 11, dependent conditional: 10, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 11, dependent conditional: 10, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 37, dependent conditional: 15, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 883738, independent: 875985, independent conditional: 2200, independent unconditional: 873785, dependent: 27, dependent conditional: 10, dependent unconditional: 17, unknown: 7726, unknown conditional: 18, unknown unconditional: 7708] , Statistics on independence cache: Total cache size (in pairs): 7726, Positive cache size: 7715, Positive conditional cache size: 8, Positive unconditional cache size: 7707, Negative cache size: 11, Negative conditional cache size: 10, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2631 ], Independence queries for same thread: 76527 - PositiveResult [Line: 113]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 397 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 498.2s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 438.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4137, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 53.6s InterpolantComputationTime, 8936 NumberOfCodeBlocks, 8902 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 12270 ConstructedInterpolants, 1 QuantifiedInterpolants, 83684 SizeOfPredicates, 340 NumberOfNonLiveVariables, 6528 ConjunctsInSsa, 607 ConjunctsInUnsatCore, 49 InterpolantComputations, 10 PerfectInterpolantSequences, 2119/3476 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-05 02:32:00,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-05 02:32:00,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...