/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 DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/bigshot_s.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 08:40:59,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 08:40:59,777 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 08:40:59,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 08:40:59,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 08:40:59,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 08:40:59,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 08:40:59,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 08:40:59,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 08:40:59,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 08:40:59,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 08:40:59,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 08:40:59,827 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 08:40:59,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 08:40:59,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 08:40:59,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 08:40:59,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 08:40:59,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 08:40:59,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 08:40:59,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 08:40:59,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 08:40:59,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 08:40:59,832 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 08:40:59,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 08:40:59,833 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 08:40:59,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 08:40:59,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 08:40:59,833 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 08:40:59,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 08:40:59,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 08:40:59,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 08:40:59,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 08:40:59,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 08:40:59,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 08:40:59,836 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 08:40:59,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 08:40:59,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 08:40:59,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 08:40:59,836 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 08:40:59,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-06 08:41:00,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 08:41:00,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 08:41:00,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 08:41:00,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 08:41:00,142 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 08:41:00,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/bigshot_s.i [2024-05-06 08:41:01,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 08:41:01,630 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 08:41:01,631 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i [2024-05-06 08:41:01,650 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1b9473fea/6494217eb166410e9e5a232aa41e6969/FLAG587df60d4 [2024-05-06 08:41:01,667 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1b9473fea/6494217eb166410e9e5a232aa41e6969 [2024-05-06 08:41:01,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 08:41:01,672 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 08:41:01,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 08:41:01,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 08:41:01,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 08:41:01,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 08:41:01" (1/1) ... [2024-05-06 08:41:01,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fcff3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:01, skipping insertion in model container [2024-05-06 08:41:01,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 08:41:01" (1/1) ... [2024-05-06 08:41:01,732 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 08:41:02,123 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2024-05-06 08:41:02,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 08:41:02,159 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 08:41:02,203 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2024-05-06 08:41:02,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 08:41:02,301 INFO L206 MainTranslator]: Completed translation [2024-05-06 08:41:02,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02 WrapperNode [2024-05-06 08:41:02,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 08:41:02,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 08:41:02,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 08:41:02,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 08:41:02,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02" (1/1) ... [2024-05-06 08:41:02,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02" (1/1) ... [2024-05-06 08:41:02,386 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-05-06 08:41:02,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 08:41:02,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 08:41:02,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 08:41:02,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 08:41:02,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02" (1/1) ... [2024-05-06 08:41:02,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02" (1/1) ... [2024-05-06 08:41:02,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02" (1/1) ... [2024-05-06 08:41:02,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02" (1/1) ... [2024-05-06 08:41:02,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02" (1/1) ... [2024-05-06 08:41:02,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02" (1/1) ... [2024-05-06 08:41:02,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02" (1/1) ... [2024-05-06 08:41:02,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02" (1/1) ... [2024-05-06 08:41:02,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 08:41:02,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 08:41:02,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 08:41:02,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 08:41:02,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02" (1/1) ... [2024-05-06 08:41:02,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 08:41:02,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 08:41:02,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 08:41:02,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 08:41:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 08:41:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 08:41:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-05-06 08:41:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 08:41:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 08:41:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 08:41:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 08:41:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 08:41:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 08:41:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-06 08:41:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 08:41:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 08:41:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 08:41:02,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 08:41:02,522 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 08:41:02,688 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 08:41:02,690 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 08:41:02,902 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 08:41:02,911 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 08:41:02,911 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-05-06 08:41:02,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 08:41:02 BoogieIcfgContainer [2024-05-06 08:41:02,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 08:41:02,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 08:41:02,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 08:41:02,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 08:41:02,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 08:41:01" (1/3) ... [2024-05-06 08:41:02,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fff3ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 08:41:02, skipping insertion in model container [2024-05-06 08:41:02,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:41:02" (2/3) ... [2024-05-06 08:41:02,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fff3ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 08:41:02, skipping insertion in model container [2024-05-06 08:41:02,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 08:41:02" (3/3) ... [2024-05-06 08:41:02,920 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2024-05-06 08:41:02,929 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 08:41:02,938 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 08:41:02,938 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 08:41:02,939 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 08:41:03,021 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 08:41:03,069 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 08:41:03,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 08:41:03,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 08:41:03,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 08:41:03,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 08:41:03,106 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 08:41:03,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:41:03,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 08:41:03,127 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;@380ab26c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 08:41:03,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-06 08:41:03,167 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:41:03,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:41:03,169 INFO L85 PathProgramCache]: Analyzing trace with hash -82218947, now seen corresponding path program 1 times [2024-05-06 08:41:03,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:41:03,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860293881] [2024-05-06 08:41:03,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:41:03,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:41:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:41:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:41:03,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:41:03,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860293881] [2024-05-06 08:41:03,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860293881] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 08:41:03,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 08:41:03,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 08:41:03,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336428685] [2024-05-06 08:41:03,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 08:41:03,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 08:41:03,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:41:03,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 08:41:03,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 08:41:03,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:03,475 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:41:03,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 08:41:03,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:03,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:03,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 08:41:03,503 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:41:03,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:41:03,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1657516736, now seen corresponding path program 1 times [2024-05-06 08:41:03,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:41:03,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397417663] [2024-05-06 08:41:03,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:41:03,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:41:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:41:03,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:41:03,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:41:03,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397417663] [2024-05-06 08:41:03,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397417663] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 08:41:03,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 08:41:03,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 08:41:03,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725358379] [2024-05-06 08:41:03,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 08:41:03,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 08:41:03,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:41:03,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 08:41:03,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-06 08:41:03,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:03,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:41:03,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 08:41:03,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:03,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:04,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:04,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:41:04,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-06 08:41:04,029 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:41:04,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:41:04,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1807382726, now seen corresponding path program 1 times [2024-05-06 08:41:04,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:41:04,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189554316] [2024-05-06 08:41:04,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:41:04,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:41:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:41:04,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:41:04,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:41:04,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189554316] [2024-05-06 08:41:04,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189554316] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 08:41:04,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 08:41:04,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-05-06 08:41:04,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963760284] [2024-05-06 08:41:04,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 08:41:04,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-06 08:41:04,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:41:04,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-06 08:41:04,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-05-06 08:41:04,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:04,655 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:41:04,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 08:41:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:41:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:41:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 08:41:04,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-06 08:41:04,913 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:41:04,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:41:04,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1410870506, now seen corresponding path program 1 times [2024-05-06 08:41:04,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:41:04,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147561165] [2024-05-06 08:41:04,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:41:04,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:41:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:41:05,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:41:05,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:41:05,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147561165] [2024-05-06 08:41:05,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147561165] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 08:41:05,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055790220] [2024-05-06 08:41:05,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:41:05,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 08:41:05,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 08:41:05,579 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 08:41:05,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 08:41:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:41:05,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-06 08:41:05,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 08:41:05,849 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-05-06 08:41:05,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-05-06 08:41:05,886 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-06 08:41:05,886 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 [2024-05-06 08:41:05,939 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 [2024-05-06 08:41:06,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-06 08:41:06,309 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-05-06 08:41:06,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-05-06 08:41:06,427 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-06 08:41:06,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 21 [2024-05-06 08:41:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:41:06,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 08:41:07,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:41:07,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055790220] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 08:41:07,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 08:41:07,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20, 18] total 43 [2024-05-06 08:41:07,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450012937] [2024-05-06 08:41:07,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 08:41:07,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-06 08:41:07,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:41:07,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-06 08:41:07,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1660, Unknown=0, NotChecked=0, Total=1806 [2024-05-06 08:41:07,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:07,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:41:07,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.604651162790698) internal successors, (198), 43 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 08:41:07,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:07,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:41:07,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 08:41:07,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:09,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:09,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:41:09,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 08:41:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-06 08:41:09,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-06 08:41:09,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 08:41:09,639 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:41:09,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:41:09,639 INFO L85 PathProgramCache]: Analyzing trace with hash 748872362, now seen corresponding path program 2 times [2024-05-06 08:41:09,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:41:09,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897200118] [2024-05-06 08:41:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:41:09,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:41:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:41:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:41:10,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:41:10,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897200118] [2024-05-06 08:41:10,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897200118] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 08:41:10,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574267608] [2024-05-06 08:41:10,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 08:41:10,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 08:41:10,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 08:41:10,443 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 08:41:10,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 08:41:10,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 08:41:10,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 08:41:10,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 53 conjunts are in the unsatisfiable core [2024-05-06 08:41:10,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 08:41:10,626 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-05-06 08:41:10,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-05-06 08:41:10,659 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-06 08:41:10,660 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 [2024-05-06 08:41:10,693 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 [2024-05-06 08:41:10,824 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 [2024-05-06 08:41:11,058 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-05-06 08:41:11,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-05-06 08:41:11,202 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-06 08:41:11,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 21 [2024-05-06 08:41:11,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 08:41:11,289 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-06 08:41:11,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 21 [2024-05-06 08:41:11,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 08:41:11,380 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-06 08:41:11,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 21 [2024-05-06 08:41:11,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 08:41:11,470 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-06 08:41:11,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 21 [2024-05-06 08:41:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:41:11,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 08:41:36,013 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-06 08:41:36,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574267608] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 08:41:36,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 08:41:36,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 23, 20] total 51 [2024-05-06 08:41:36,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427579380] [2024-05-06 08:41:36,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 08:41:36,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-05-06 08:41:36,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:41:36,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-05-06 08:41:36,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=2339, Unknown=3, NotChecked=0, Total=2550 [2024-05-06 08:41:36,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:36,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:41:36,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.450980392156863) internal successors, (227), 51 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 08:41:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:41:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 08:41:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-06 08:41:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:38,229 INFO L349 Elim1Store]: treesize reduction 31, result has 8.8 percent of original size [2024-05-06 08:41:38,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 34 [2024-05-06 08:41:38,466 INFO L85 PathProgramCache]: Analyzing trace with hash -255500156, now seen corresponding path program 1 times [2024-05-06 08:41:38,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:41:38,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:41:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 08:41:38,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 08:41:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 08:41:38,806 INFO L349 Elim1Store]: treesize reduction 50, result has 5.7 percent of original size [2024-05-06 08:41:38,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 38 [2024-05-06 08:41:39,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1455481184, now seen corresponding path program 1 times [2024-05-06 08:41:39,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:41:39,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:41:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:41:39,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:41:39,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:41:39,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:41:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:41:39,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:41:39,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-06 08:41:39,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-06 08:41:39,437 INFO L349 Elim1Store]: treesize reduction 31, result has 8.8 percent of original size [2024-05-06 08:41:39,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 34 [2024-05-06 08:41:39,625 INFO L85 PathProgramCache]: Analyzing trace with hash -255500156, now seen corresponding path program 2 times [2024-05-06 08:41:39,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:41:39,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:41:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 08:41:39,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 08:41:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 08:41:40,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 08:41:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 08:41:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-06 08:41:40,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 08:41:40,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-06 08:41:41,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 08:41:41,036 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:41:41,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:41:41,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1014379393, now seen corresponding path program 1 times [2024-05-06 08:41:41,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:41:41,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191408714] [2024-05-06 08:41:41,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:41:41,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:41:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:41:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:41:41,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:41:41,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191408714] [2024-05-06 08:41:41,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191408714] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 08:41:41,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 08:41:41,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-06 08:41:41,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201853922] [2024-05-06 08:41:41,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 08:41:41,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-06 08:41:41,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:41:41,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-06 08:41:41,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-06 08:41:41,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:41,083 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:41:41,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 08:41:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 08:41:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 08:41:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-06 08:41:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-06 08:41:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:41,335 INFO L349 Elim1Store]: treesize reduction 31, result has 8.8 percent of original size [2024-05-06 08:41:41,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 34 [2024-05-06 08:41:41,599 INFO L85 PathProgramCache]: Analyzing trace with hash -255500156, now seen corresponding path program 3 times [2024-05-06 08:41:41,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:41:41,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:41:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 08:41:41,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 08:41:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 08:41:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:41:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 08:41:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 08:41:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-06 08:41:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 08:41:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 08:41:41,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-06 08:41:41,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-06 08:41:41,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-06 08:41:41,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-05-06 08:41:41,838 INFO L448 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2024-05-06 08:41:41,841 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 08:41:41,841 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 08:41:41,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 08:41:41 BasicIcfg [2024-05-06 08:41:41,843 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 08:41:41,844 INFO L158 Benchmark]: Toolchain (without parser) took 40171.45ms. Allocated memory was 298.8MB in the beginning and 457.2MB in the end (delta: 158.3MB). Free memory was 228.4MB in the beginning and 214.5MB in the end (delta: 13.9MB). Peak memory consumption was 173.2MB. Max. memory is 8.0GB. [2024-05-06 08:41:41,844 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 137.4MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 08:41:41,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.47ms. Allocated memory is still 298.8MB. Free memory was 228.0MB in the beginning and 264.6MB in the end (delta: -36.6MB). Peak memory consumption was 38.7MB. Max. memory is 8.0GB. [2024-05-06 08:41:41,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.92ms. Allocated memory is still 298.8MB. Free memory was 264.6MB in the beginning and 262.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-06 08:41:41,845 INFO L158 Benchmark]: Boogie Preprocessor took 38.88ms. Allocated memory is still 298.8MB. Free memory was 262.0MB in the beginning and 260.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-06 08:41:41,845 INFO L158 Benchmark]: RCFGBuilder took 483.94ms. Allocated memory is still 298.8MB. Free memory was 260.4MB in the beginning and 244.7MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-06 08:41:41,845 INFO L158 Benchmark]: TraceAbstraction took 38928.69ms. Allocated memory was 298.8MB in the beginning and 457.2MB in the end (delta: 158.3MB). Free memory was 243.6MB in the beginning and 214.5MB in the end (delta: 29.1MB). Peak memory consumption was 189.0MB. Max. memory is 8.0GB. [2024-05-06 08:41:41,847 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 137.4MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 627.47ms. Allocated memory is still 298.8MB. Free memory was 228.0MB in the beginning and 264.6MB in the end (delta: -36.6MB). Peak memory consumption was 38.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 84.92ms. Allocated memory is still 298.8MB. Free memory was 264.6MB in the beginning and 262.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.88ms. Allocated memory is still 298.8MB. Free memory was 262.0MB in the beginning and 260.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 483.94ms. Allocated memory is still 298.8MB. Free memory was 260.4MB in the beginning and 244.7MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 38928.69ms. Allocated memory was 298.8MB in the beginning and 457.2MB in the end (delta: 158.3MB). Free memory was 243.6MB in the beginning and 214.5MB in the end (delta: 29.1MB). Peak memory consumption was 189.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1044, independent: 841, independent conditional: 806, independent unconditional: 35, dependent: 203, dependent conditional: 203, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 868, independent: 841, independent conditional: 806, independent unconditional: 35, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 868, independent: 841, independent conditional: 806, independent unconditional: 35, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 868, independent: 841, independent conditional: 806, independent unconditional: 35, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 965, independent: 841, independent conditional: 384, independent unconditional: 457, dependent: 124, dependent conditional: 98, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 965, independent: 841, independent conditional: 247, independent unconditional: 594, dependent: 124, dependent conditional: 71, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 965, independent: 841, independent conditional: 247, independent unconditional: 594, dependent: 124, dependent conditional: 71, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 152, independent: 135, independent conditional: 36, independent unconditional: 99, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 152, independent: 135, independent conditional: 0, independent unconditional: 135, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 67, dependent conditional: 65, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 965, independent: 706, independent conditional: 211, independent unconditional: 495, dependent: 107, dependent conditional: 55, dependent unconditional: 52, unknown: 152, unknown conditional: 52, unknown unconditional: 100] , Statistics on independence cache: Total cache size (in pairs): 152, Positive cache size: 135, Positive conditional cache size: 36, Positive unconditional cache size: 99, Negative cache size: 17, Negative conditional cache size: 16, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 164, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 965, independent: 841, independent conditional: 384, independent unconditional: 457, dependent: 124, dependent conditional: 98, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 965, independent: 841, independent conditional: 247, independent unconditional: 594, dependent: 124, dependent conditional: 71, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 965, independent: 841, independent conditional: 247, independent unconditional: 594, dependent: 124, dependent conditional: 71, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 152, independent: 135, independent conditional: 36, independent unconditional: 99, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 152, independent: 135, independent conditional: 0, independent unconditional: 135, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 67, dependent conditional: 65, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 965, independent: 706, independent conditional: 211, independent unconditional: 495, dependent: 107, dependent conditional: 55, dependent unconditional: 52, unknown: 152, unknown conditional: 52, unknown unconditional: 100] , Statistics on independence cache: Total cache size (in pairs): 152, Positive cache size: 135, Positive conditional cache size: 36, Positive unconditional cache size: 99, Negative cache size: 17, Negative conditional cache size: 16, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 164 ], Independence queries for same thread: 176 - PositiveResult [Line: 1107]: 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, 114 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 38.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 7.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 29.9s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 722 ConstructedInterpolants, 66 QuantifiedInterpolants, 8454 SizeOfPredicates, 35 NumberOfNonLiveVariables, 447 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 32/117 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, ConditionalCommutativityCheckTime: 3.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 10, ConditionalCommutativityTraceChecks: 4, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 08:41:41,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-06 08:41:42,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...