/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 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 22:46:43,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 22:46:43,620 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 22:46:43,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 22:46:43,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 22:46:43,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 22:46:43,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 22:46:43,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 22:46:43,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 22:46:43,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 22:46:43,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 22:46:43,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 22:46:43,659 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 22:46:43,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 22:46:43,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 22:46:43,660 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 22:46:43,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 22:46:43,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 22:46:43,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 22:46:43,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 22:46:43,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 22:46:43,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 22:46:43,663 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 22:46:43,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 22:46:43,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 22:46:43,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 22:46:43,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 22:46:43,664 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 22:46:43,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 22:46:43,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 22:46:43,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 22:46:43,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 22:46:43,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 22:46:43,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 22:46:43,666 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 22:46:43,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 22:46:43,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 22:46:43,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 22:46:43,667 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 22:46:43,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-05-05 22:46:43,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 22:46:43,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 22:46:43,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 22:46:43,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 22:46:43,970 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 22:46:43,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2024-05-05 22:46:45,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 22:46:45,450 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 22:46:45,451 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i [2024-05-05 22:46:45,462 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5403b523d/45b42121e98f4bcdb89348eeb33abc6b/FLAG4e52f48a6 [2024-05-05 22:46:45,474 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5403b523d/45b42121e98f4bcdb89348eeb33abc6b [2024-05-05 22:46:45,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 22:46:45,478 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 22:46:45,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 22:46:45,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 22:46:45,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 22:46:45,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:45,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63eff606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45, skipping insertion in model container [2024-05-05 22:46:45,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:45,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 22:46:45,874 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-atomic/peterson.i[30997,31010] [2024-05-05 22:46:45,883 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-atomic/peterson.i[31682,31695] [2024-05-05 22:46:45,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 22:46:45,901 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 22:46:45,947 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-atomic/peterson.i[30997,31010] [2024-05-05 22:46:45,951 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-atomic/peterson.i[31682,31695] [2024-05-05 22:46:45,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 22:46:45,990 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 22:46:45,990 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 22:46:45,998 INFO L206 MainTranslator]: Completed translation [2024-05-05 22:46:45,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45 WrapperNode [2024-05-05 22:46:45,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 22:46:45,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 22:46:46,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 22:46:46,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 22:46:46,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:46,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:46,038 INFO L138 Inliner]: procedures = 170, calls = 46, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-05-05 22:46:46,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 22:46:46,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 22:46:46,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 22:46:46,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 22:46:46,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:46,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:46,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:46,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:46,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:46,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:46,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:46,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:46,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 22:46:46,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 22:46:46,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 22:46:46,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 22:46:46,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45" (1/1) ... [2024-05-05 22:46:46,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 22:46:46,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:46:46,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-05 22:46:46,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-05 22:46:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 22:46:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-05-05 22:46:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-05-05 22:46:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-05-05 22:46:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-05-05 22:46:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 22:46:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 22:46:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 22:46:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 22:46:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 22:46:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 22:46:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 22:46:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 22:46:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 22:46:46,172 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 22:46:46,282 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 22:46:46,284 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 22:46:46,414 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 22:46:46,423 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 22:46:46,423 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-05 22:46:46,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 10:46:46 BoogieIcfgContainer [2024-05-05 22:46:46,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 22:46:46,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 22:46:46,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 22:46:46,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 22:46:46,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 10:46:45" (1/3) ... [2024-05-05 22:46:46,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3faf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 10:46:46, skipping insertion in model container [2024-05-05 22:46:46,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:46:45" (2/3) ... [2024-05-05 22:46:46,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3faf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 10:46:46, skipping insertion in model container [2024-05-05 22:46:46,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 10:46:46" (3/3) ... [2024-05-05 22:46:46,432 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i [2024-05-05 22:46:46,439 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 22:46:46,447 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 22:46:46,447 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-05 22:46:46,447 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 22:46:46,500 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-05 22:46:46,539 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 22:46:46,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 22:46:46,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:46:46,540 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 22:46:46,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-05 22:46:46,574 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 22:46:46,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:46:46,586 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 22:46:46,592 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;@322c1798, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 22:46:46,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-05-05 22:46:46,687 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 22:46:46,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:46:46,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1893449077, now seen corresponding path program 1 times [2024-05-05 22:46:46,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:46:46,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824607668] [2024-05-05 22:46:46,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:46,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:46:47,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-05 22:46:47,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:46:47,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824607668] [2024-05-05 22:46:47,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824607668] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 22:46:47,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 22:46:47,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-05 22:46:47,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071340418] [2024-05-05 22:46:47,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 22:46:47,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-05 22:46:47,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:46:47,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-05 22:46:47,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-05 22:46:47,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:47,201 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:46:47,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 22:46:47,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:47,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:46:47,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 22:46:47,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 22:46:47,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:46:47,259 INFO L85 PathProgramCache]: Analyzing trace with hash -308197650, now seen corresponding path program 1 times [2024-05-05 22:46:47,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:46:47,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270206825] [2024-05-05 22:46:47,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:47,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:46:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:46:47,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:46:47,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270206825] [2024-05-05 22:46:47,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270206825] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 22:46:47,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 22:46:47,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-05 22:46:47,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429317709] [2024-05-05 22:46:47,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 22:46:47,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-05 22:46:47,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:46:47,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-05 22:46:47,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-05 22:46:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:47,364 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:46:47,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 22:46:47,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:46:47,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:47,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:46:47,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:46:47,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 22:46:47,402 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 22:46:47,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:46:47,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1506339437, now seen corresponding path program 1 times [2024-05-05 22:46:47,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:46:47,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034447560] [2024-05-05 22:46:47,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:47,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:46:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:46:47,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:46:47,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034447560] [2024-05-05 22:46:47,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034447560] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 22:46:47,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 22:46:47,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 22:46:47,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401173588] [2024-05-05 22:46:47,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 22:46:47,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 22:46:47,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:46:47,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 22:46:47,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-05 22:46:47,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:47,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:46:47,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 22:46:47,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:46:47,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:46:47,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:47,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:46:47,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:46:47,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 22:46:47,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-05 22:46:47,675 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 22:46:47,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:46:47,676 INFO L85 PathProgramCache]: Analyzing trace with hash 622783898, now seen corresponding path program 1 times [2024-05-05 22:46:47,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:46:47,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755107844] [2024-05-05 22:46:47,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:47,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:46:47,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 22:46:47,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:46:47,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755107844] [2024-05-05 22:46:47,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755107844] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 22:46:47,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 22:46:47,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-05 22:46:47,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347586826] [2024-05-05 22:46:47,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 22:46:47,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-05 22:46:47,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:46:47,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-05 22:46:47,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-05 22:46:47,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:47,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:46:47,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 22:46:47,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:46:47,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:46:47,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 22:46:47,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:48,633 INFO L85 PathProgramCache]: Analyzing trace with hash 458019919, now seen corresponding path program 1 times [2024-05-05 22:46:48,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:48,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:48,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:48,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1058555067, now seen corresponding path program 2 times [2024-05-05 22:46:48,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:48,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:48,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:49,522 INFO L85 PathProgramCache]: Analyzing trace with hash 167023735, now seen corresponding path program 1 times [2024-05-05 22:46:49,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:49,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:49,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:49,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1390864218, now seen corresponding path program 1 times [2024-05-05 22:46:49,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:49,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:49,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:49,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1153246419, now seen corresponding path program 1 times [2024-05-05 22:46:49,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:49,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:49,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:49,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1763911158, now seen corresponding path program 1 times [2024-05-05 22:46:49,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:49,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:49,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:49,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1817158404, now seen corresponding path program 1 times [2024-05-05 22:46:49,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:49,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:49,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:46:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:46:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-05 22:46:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:46:49,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-05-05 22:46:49,940 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 22:46:49,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:46:49,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1891944987, now seen corresponding path program 1 times [2024-05-05 22:46:49,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:46:49,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013301792] [2024-05-05 22:46:49,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:49,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:46:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-05 22:46:50,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:46:50,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013301792] [2024-05-05 22:46:50,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013301792] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:46:50,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049172687] [2024-05-05 22:46:50,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:50,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:46:50,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:46:50,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:46:50,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 22:46:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:46:50,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-05 22:46:50,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:46:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-05 22:46:50,262 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:46:50,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-05 22:46:50,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049172687] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:46:50,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:46:50,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-05-05 22:46:50,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327752164] [2024-05-05 22:46:50,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:46:50,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 22:46:50,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:46:50,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 22:46:50,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-05 22:46:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:50,334 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:46:50,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 22:46:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:46:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:46:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-05 22:46:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:46:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:50,896 INFO L85 PathProgramCache]: Analyzing trace with hash 458019919, now seen corresponding path program 3 times [2024-05-05 22:46:50,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:50,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:50,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:50,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1058555067, now seen corresponding path program 4 times [2024-05-05 22:46:50,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:50,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:51,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:51,651 INFO L85 PathProgramCache]: Analyzing trace with hash 167023735, now seen corresponding path program 2 times [2024-05-05 22:46:51,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:51,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:51,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:51,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1390864218, now seen corresponding path program 2 times [2024-05-05 22:46:51,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:51,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:51,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:51,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1153246419, now seen corresponding path program 2 times [2024-05-05 22:46:51,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:51,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:51,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:51,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1763911158, now seen corresponding path program 2 times [2024-05-05 22:46:51,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:51,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:51,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:52,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1347889971, now seen corresponding path program 1 times [2024-05-05 22:46:52,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:52,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:52,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:52,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1757855325, now seen corresponding path program 1 times [2024-05-05 22:46:52,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:52,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:52,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:52,989 INFO L85 PathProgramCache]: Analyzing trace with hash -262398233, now seen corresponding path program 1 times [2024-05-05 22:46:52,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:52,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:46:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:46:53,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:53,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:46:53,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:46:53,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-05 22:46:53,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-05 22:46:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1757855325, now seen corresponding path program 2 times [2024-05-05 22:46:54,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:46:54,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:46:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:54,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 22:46:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 22:46:55,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:46:55,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:46:55,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-05 22:46:55,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:46:55,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-05 22:46:55,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-05-05 22:46:55,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-05-05 22:46:55,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-05-05 22:46:55,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-05-05 22:46:55,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-05-05 22:46:55,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-05-05 22:46:55,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-05 22:46:55,755 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,SelfDestructingSolverStorable20,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-05 22:46:55,759 INFO L448 BasicCegarLoop]: Path program histogram: [4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 22:46:55,763 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 22:46:55,763 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 22:46:55,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 10:46:55 BasicIcfg [2024-05-05 22:46:55,767 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 22:46:55,767 INFO L158 Benchmark]: Toolchain (without parser) took 10289.21ms. Allocated memory was 256.9MB in the beginning and 377.5MB in the end (delta: 120.6MB). Free memory was 184.0MB in the beginning and 186.9MB in the end (delta: -2.9MB). Peak memory consumption was 119.0MB. Max. memory is 8.0GB. [2024-05-05 22:46:55,767 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 256.9MB. Free memory is still 223.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 22:46:55,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.62ms. Allocated memory is still 256.9MB. Free memory was 183.8MB in the beginning and 163.6MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-05 22:46:55,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.14ms. Allocated memory is still 256.9MB. Free memory was 163.6MB in the beginning and 161.8MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-05 22:46:55,768 INFO L158 Benchmark]: Boogie Preprocessor took 23.96ms. Allocated memory is still 256.9MB. Free memory was 161.8MB in the beginning and 160.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 22:46:55,769 INFO L158 Benchmark]: RCFGBuilder took 360.95ms. Allocated memory is still 256.9MB. Free memory was 160.2MB in the beginning and 214.2MB in the end (delta: -54.0MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2024-05-05 22:46:55,769 INFO L158 Benchmark]: TraceAbstraction took 9340.02ms. Allocated memory was 256.9MB in the beginning and 377.5MB in the end (delta: 120.6MB). Free memory was 213.2MB in the beginning and 186.9MB in the end (delta: 26.3MB). Peak memory consumption was 146.9MB. Max. memory is 8.0GB. [2024-05-05 22:46:55,771 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 256.9MB. Free memory is still 223.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 519.62ms. Allocated memory is still 256.9MB. Free memory was 183.8MB in the beginning and 163.6MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.14ms. Allocated memory is still 256.9MB. Free memory was 163.6MB in the beginning and 161.8MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.96ms. Allocated memory is still 256.9MB. Free memory was 161.8MB in the beginning and 160.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 360.95ms. Allocated memory is still 256.9MB. Free memory was 160.2MB in the beginning and 214.2MB in the end (delta: -54.0MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * TraceAbstraction took 9340.02ms. Allocated memory was 256.9MB in the beginning and 377.5MB in the end (delta: 120.6MB). Free memory was 213.2MB in the beginning and 186.9MB in the end (delta: 26.3MB). Peak memory consumption was 146.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19839, independent: 18499, independent conditional: 18356, independent unconditional: 143, dependent: 1340, dependent conditional: 1340, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18766, independent: 18499, independent conditional: 18356, independent unconditional: 143, dependent: 267, dependent conditional: 267, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18766, independent: 18499, independent conditional: 18356, independent unconditional: 143, dependent: 267, dependent conditional: 267, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18766, independent: 18499, independent conditional: 18356, independent unconditional: 143, dependent: 267, dependent conditional: 267, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19472, independent: 18499, independent conditional: 8601, independent unconditional: 9898, dependent: 973, dependent conditional: 699, dependent unconditional: 274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19472, independent: 18499, independent conditional: 5272, independent unconditional: 13227, dependent: 973, dependent conditional: 338, dependent unconditional: 635, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19472, independent: 18499, independent conditional: 5272, independent unconditional: 13227, dependent: 973, dependent conditional: 338, dependent unconditional: 635, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 748, independent: 712, independent conditional: 94, independent unconditional: 618, dependent: 36, dependent conditional: 21, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 748, independent: 707, independent conditional: 0, independent unconditional: 707, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 41, independent: 5, independent conditional: 4, independent unconditional: 1, dependent: 36, dependent conditional: 21, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, independent: 5, independent conditional: 4, independent unconditional: 1, dependent: 36, dependent conditional: 21, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, independent: 5, independent conditional: 5, independent unconditional: 1, dependent: 68, dependent conditional: 52, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19472, independent: 17787, independent conditional: 5178, independent unconditional: 12609, dependent: 937, dependent conditional: 317, dependent unconditional: 620, unknown: 748, unknown conditional: 115, unknown unconditional: 633] , Statistics on independence cache: Total cache size (in pairs): 748, Positive cache size: 712, Positive conditional cache size: 94, Positive unconditional cache size: 618, Negative cache size: 36, Negative conditional cache size: 21, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3690, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19472, independent: 18499, independent conditional: 8601, independent unconditional: 9898, dependent: 973, dependent conditional: 699, dependent unconditional: 274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19472, independent: 18499, independent conditional: 5272, independent unconditional: 13227, dependent: 973, dependent conditional: 338, dependent unconditional: 635, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19472, independent: 18499, independent conditional: 5272, independent unconditional: 13227, dependent: 973, dependent conditional: 338, dependent unconditional: 635, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 748, independent: 712, independent conditional: 94, independent unconditional: 618, dependent: 36, dependent conditional: 21, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 748, independent: 707, independent conditional: 0, independent unconditional: 707, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 41, independent: 5, independent conditional: 4, independent unconditional: 1, dependent: 36, dependent conditional: 21, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, independent: 5, independent conditional: 4, independent unconditional: 1, dependent: 36, dependent conditional: 21, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, independent: 5, independent conditional: 5, independent unconditional: 1, dependent: 68, dependent conditional: 52, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19472, independent: 17787, independent conditional: 5178, independent unconditional: 12609, dependent: 937, dependent conditional: 317, dependent unconditional: 620, unknown: 748, unknown conditional: 115, unknown unconditional: 633] , Statistics on independence cache: Total cache size (in pairs): 748, Positive cache size: 712, Positive conditional cache size: 94, Positive unconditional cache size: 618, Negative cache size: 36, Negative conditional cache size: 21, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3690 ], Independence queries for same thread: 1073 - PositiveResult [Line: 753]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 725]: 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, 107 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, 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: 31, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 811 SizeOfPredicates, 2 NumberOfNonLiveVariables, 139 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 12/21 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: 6.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 130, ConditionalCommutativityTraceChecks: 17, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-05 22:46:55,796 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 [2024-05-05 22:46:55,999 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...