This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 13:35:28,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 13:35:28,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 13:35:28,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 13:35:28,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 13:35:28,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 13:35:28,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 13:35:28,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 13:35:28,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 13:35:28,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 13:35:28,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 13:35:28,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 13:35:28,341 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 13:35:28,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 13:35:28,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 13:35:28,343 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 13:35:28,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 13:35:28,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 13:35:28,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 13:35:28,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 13:35:28,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 13:35:28,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 13:35:28,348 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 13:35:28,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 13:35:28,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 13:35:28,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 13:35:28,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 13:35:28,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 13:35:28,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 13:35:28,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 13:35:28,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 13:35:28,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 13:35:28,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 13:35:28,351 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 13:35:28,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 13:35:28,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 13:35:28,351 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 13:35:28,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 13:35:28,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 13:35:28,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 13:35:28,352 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 13:35:28,352 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.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffff09405c16ea86880fae0b9b6268edfa5ef4b2d03cee31a9e4f2e1ac044811 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 -> COUNTEREXAMPLE 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: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-16 13:35:28,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 13:35:28,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 13:35:28,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 13:35:28,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 13:35:28,670 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 13:35:28,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.i [2024-10-16 13:35:30,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 13:35:30,531 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 13:35:30,532 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.i [2024-10-16 13:35:30,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2c560cb31/9d1972e6d9c14c9b86c1b79843da8ff6/FLAG514f5b6f9 [2024-10-16 13:35:30,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2c560cb31/9d1972e6d9c14c9b86c1b79843da8ff6 [2024-10-16 13:35:30,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 13:35:30,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 13:35:30,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 13:35:30,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 13:35:30,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 13:35:30,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:35:30" (1/1) ... [2024-10-16 13:35:30,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e791761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:30, skipping insertion in model container [2024-10-16 13:35:30,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:35:30" (1/1) ... [2024-10-16 13:35:30,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 13:35:30,819 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.i[945,958] [2024-10-16 13:35:30,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 13:35:30,987 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 13:35:30,999 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.i[945,958] [2024-10-16 13:35:31,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 13:35:31,078 INFO L204 MainTranslator]: Completed translation [2024-10-16 13:35:31,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31 WrapperNode [2024-10-16 13:35:31,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 13:35:31,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 13:35:31,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 13:35:31,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 13:35:31,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31" (1/1) ... [2024-10-16 13:35:31,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31" (1/1) ... [2024-10-16 13:35:31,116 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-10-16 13:35:31,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 13:35:31,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 13:35:31,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 13:35:31,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 13:35:31,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31" (1/1) ... [2024-10-16 13:35:31,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31" (1/1) ... [2024-10-16 13:35:31,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31" (1/1) ... [2024-10-16 13:35:31,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31" (1/1) ... [2024-10-16 13:35:31,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31" (1/1) ... [2024-10-16 13:35:31,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31" (1/1) ... [2024-10-16 13:35:31,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31" (1/1) ... [2024-10-16 13:35:31,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31" (1/1) ... [2024-10-16 13:35:31,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 13:35:31,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 13:35:31,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 13:35:31,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 13:35:31,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31" (1/1) ... [2024-10-16 13:35:31,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 13:35:31,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 13:35:31,198 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) [2024-10-16 13:35:31,201 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 [2024-10-16 13:35:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 13:35:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 13:35:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-16 13:35:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-16 13:35:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-16 13:35:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-16 13:35:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-16 13:35:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-16 13:35:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 13:35:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 13:35:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 13:35:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 13:35:31,240 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 13:35:31,373 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 13:35:31,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 13:35:31,546 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 13:35:31,546 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 13:35:31,656 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 13:35:31,658 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-16 13:35:31,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:35:31 BoogieIcfgContainer [2024-10-16 13:35:31,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 13:35:31,662 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 13:35:31,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 13:35:31,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 13:35:31,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:35:30" (1/3) ... [2024-10-16 13:35:31,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757765d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:35:31, skipping insertion in model container [2024-10-16 13:35:31,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:31" (2/3) ... [2024-10-16 13:35:31,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757765d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:35:31, skipping insertion in model container [2024-10-16 13:35:31,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:35:31" (3/3) ... [2024-10-16 13:35:31,680 INFO L112 eAbstractionObserver]: Analyzing ICFG safe032_tso.i [2024-10-16 13:35:31,695 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 13:35:31,695 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 13:35:31,696 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 13:35:31,732 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-16 13:35:31,770 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 13:35:31,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 13:35:31,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 13:35:31,773 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) [2024-10-16 13:35:31,774 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 [2024-10-16 13:35:31,876 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 13:35:31,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:35:31,895 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 13:35:31,903 INFO L333 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, 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;@2c542925, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 13:35:31,903 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 13:35:32,750 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:35:32,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:35:32,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1242965446, now seen corresponding path program 1 times [2024-10-16 13:35:32,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:35:32,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917322165] [2024-10-16 13:35:32,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:35:32,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:35:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:35:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:35:33,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:35:33,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917322165] [2024-10-16 13:35:33,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917322165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:35:33,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:35:33,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 13:35:33,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921558854] [2024-10-16 13:35:33,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:35:33,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 13:35:33,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:35:33,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 13:35:33,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-16 13:35:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:35:33,317 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:35:33,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-10-16 13:35:33,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:35:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:35:33,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 13:35:33,606 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:35:33,764 INFO L85 PathProgramCache]: Analyzing trace with hash -20748666, now seen corresponding path program 1 times [2024-10-16 13:35:33,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:35:33,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:35:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:35:33,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:35:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:35:33,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:35:33,834 INFO L85 PathProgramCache]: Analyzing trace with hash -97945885, now seen corresponding path program 1 times [2024-10-16 13:35:33,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:35:33,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113752998] [2024-10-16 13:35:33,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:35:33,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:35:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:35:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:35:34,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:35:34,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113752998] [2024-10-16 13:35:34,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113752998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:35:34,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:35:34,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-16 13:35:34,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297174252] [2024-10-16 13:35:34,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:35:34,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 13:35:34,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:35:34,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 13:35:34,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-16 13:35:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:35:34,062 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:35:34,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-10-16 13:35:34,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:35:34,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:35:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:35:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:35:34,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-16 13:35:34,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:35:34,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1609169751, now seen corresponding path program 1 times [2024-10-16 13:35:34,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:35:34,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:35:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:35:34,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:35:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:35:34,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1561667476, now seen corresponding path program 1 times [2024-10-16 13:35:34,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:35:34,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:35:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:35:34,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:35:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:35:34,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:35:34,623 INFO L85 PathProgramCache]: Analyzing trace with hash -218203281, now seen corresponding path program 2 times [2024-10-16 13:35:34,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:35:34,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767505839] [2024-10-16 13:35:34,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:35:34,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:35:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:35:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:35:34,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:35:34,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767505839] [2024-10-16 13:35:34,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767505839] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:35:34,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:35:34,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-16 13:35:34,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96692389] [2024-10-16 13:35:34,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:35:34,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-16 13:35:34,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:35:34,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-16 13:35:34,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-16 13:35:34,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:35:34,819 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:35:34,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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) [2024-10-16 13:35:34,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:35:34,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:35:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:35:35,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:35:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 13:35:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-16 13:35:35,721 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-16 13:35:35,721 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-16 13:35:35,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-16 13:35:35,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-16 13:35:35,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable5 [2024-10-16 13:35:35,732 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-10-16 13:35:35,737 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-16 13:35:35,738 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-16 13:35:35,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:35:35 BasicIcfg [2024-10-16 13:35:35,742 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-16 13:35:35,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-16 13:35:35,743 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-16 13:35:35,743 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-16 13:35:35,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:35:31" (3/4) ... [2024-10-16 13:35:35,745 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-16 13:35:35,748 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-16 13:35:35,748 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-16 13:35:35,748 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-16 13:35:35,754 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-10-16 13:35:35,754 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-16 13:35:35,754 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-16 13:35:35,755 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-16 13:35:35,835 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-16 13:35:35,836 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-16 13:35:35,836 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-16 13:35:35,839 INFO L158 Benchmark]: Toolchain (without parser) took 5266.70ms. Allocated memory was 67.1MB in the beginning and 130.0MB in the end (delta: 62.9MB). Free memory was 46.5MB in the beginning and 38.3MB in the end (delta: 8.2MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2024-10-16 13:35:35,840 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 13:35:35,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.80ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 46.3MB in the beginning and 63.6MB in the end (delta: -17.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-10-16 13:35:35,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.42ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 61.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 13:35:35,843 INFO L158 Benchmark]: Boogie Preprocessor took 38.94ms. Allocated memory is still 88.1MB. Free memory was 61.6MB in the beginning and 60.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 13:35:35,843 INFO L158 Benchmark]: RCFGBuilder took 502.33ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 41.4MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-16 13:35:35,843 INFO L158 Benchmark]: TraceAbstraction took 4080.16ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 40.4MB in the beginning and 42.5MB in the end (delta: -2.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-10-16 13:35:35,843 INFO L158 Benchmark]: Witness Printer took 93.34ms. Allocated memory is still 130.0MB. Free memory was 42.5MB in the beginning and 38.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-16 13:35:35,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.80ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 46.3MB in the beginning and 63.6MB in the end (delta: -17.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.42ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 61.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.94ms. Allocated memory is still 88.1MB. Free memory was 61.6MB in the beginning and 60.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.33ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 41.4MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4080.16ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 40.4MB in the beginning and 42.5MB in the end (delta: -2.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Witness Printer took 93.34ms. Allocated memory is still 130.0MB. Free memory was 42.5MB in the beginning and 38.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8204, independent: 8016, independent conditional: 7296, independent unconditional: 720, dependent: 188, dependent conditional: 162, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8201, independent: 8016, independent conditional: 7296, independent unconditional: 720, dependent: 185, dependent conditional: 160, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8201, independent: 8016, independent conditional: 7296, independent unconditional: 720, dependent: 185, dependent conditional: 160, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8201, independent: 8016, independent conditional: 7296, independent unconditional: 720, dependent: 185, dependent conditional: 160, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9455, independent: 8016, independent conditional: 7296, independent unconditional: 720, dependent: 1439, dependent conditional: 1389, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9455, independent: 8016, independent conditional: 285, independent unconditional: 7731, dependent: 1439, dependent conditional: 96, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9455, independent: 8016, independent conditional: 285, independent unconditional: 7731, dependent: 1439, dependent conditional: 96, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 763, independent: 730, independent conditional: 10, independent unconditional: 720, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 763, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 51, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1412, independent: 441, independent conditional: 265, independent unconditional: 176, dependent: 971, dependent conditional: 138, dependent unconditional: 834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9455, independent: 7286, independent conditional: 275, independent unconditional: 7011, dependent: 1406, dependent conditional: 88, dependent unconditional: 1318, unknown: 763, unknown conditional: 18, unknown unconditional: 745] , Statistics on independence cache: Total cache size (in pairs): 763, Positive cache size: 730, Positive conditional cache size: 10, Positive unconditional cache size: 720, Negative cache size: 33, Negative conditional cache size: 8, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8304, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9455, independent: 8016, independent conditional: 7296, independent unconditional: 720, dependent: 1439, dependent conditional: 1389, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9455, independent: 8016, independent conditional: 285, independent unconditional: 7731, dependent: 1439, dependent conditional: 96, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9455, independent: 8016, independent conditional: 285, independent unconditional: 7731, dependent: 1439, dependent conditional: 96, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 763, independent: 730, independent conditional: 10, independent unconditional: 720, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 763, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 51, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1412, independent: 441, independent conditional: 265, independent unconditional: 176, dependent: 971, dependent conditional: 138, dependent unconditional: 834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9455, independent: 7286, independent conditional: 275, independent unconditional: 7011, dependent: 1406, dependent conditional: 88, dependent unconditional: 1318, unknown: 763, unknown conditional: 18, unknown unconditional: 745] , Statistics on independence cache: Total cache size (in pairs): 763, Positive cache size: 730, Positive conditional cache size: 10, Positive unconditional cache size: 720, Negative cache size: 33, Negative conditional cache size: 8, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8304 ], Independence queries for same thread: 3, Persistent sets #1 benchmarks: Persistent set computation time: 1.2s, Number of persistent set computation: 848, Number of trivial persistent sets: 487, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 745, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8204, independent: 8016, independent conditional: 7296, independent unconditional: 720, dependent: 188, dependent conditional: 162, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8201, independent: 8016, independent conditional: 7296, independent unconditional: 720, dependent: 185, dependent conditional: 160, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8201, independent: 8016, independent conditional: 7296, independent unconditional: 720, dependent: 185, dependent conditional: 160, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8201, independent: 8016, independent conditional: 7296, independent unconditional: 720, dependent: 185, dependent conditional: 160, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9455, independent: 8016, independent conditional: 7296, independent unconditional: 720, dependent: 1439, dependent conditional: 1389, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9455, independent: 8016, independent conditional: 285, independent unconditional: 7731, dependent: 1439, dependent conditional: 96, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9455, independent: 8016, independent conditional: 285, independent unconditional: 7731, dependent: 1439, dependent conditional: 96, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 763, independent: 730, independent conditional: 10, independent unconditional: 720, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 763, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 51, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1412, independent: 441, independent conditional: 265, independent unconditional: 176, dependent: 971, dependent conditional: 138, dependent unconditional: 834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9455, independent: 7286, independent conditional: 275, independent unconditional: 7011, dependent: 1406, dependent conditional: 88, dependent unconditional: 1318, unknown: 763, unknown conditional: 18, unknown unconditional: 745] , Statistics on independence cache: Total cache size (in pairs): 763, Positive cache size: 730, Positive conditional cache size: 10, Positive unconditional cache size: 720, Negative cache size: 33, Negative conditional cache size: 8, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8304, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9455, independent: 8016, independent conditional: 7296, independent unconditional: 720, dependent: 1439, dependent conditional: 1389, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9455, independent: 8016, independent conditional: 285, independent unconditional: 7731, dependent: 1439, dependent conditional: 96, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9455, independent: 8016, independent conditional: 285, independent unconditional: 7731, dependent: 1439, dependent conditional: 96, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 763, independent: 730, independent conditional: 10, independent unconditional: 720, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 763, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 51, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1412, independent: 441, independent conditional: 265, independent unconditional: 176, dependent: 971, dependent conditional: 138, dependent unconditional: 834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9455, independent: 7286, independent conditional: 275, independent unconditional: 7011, dependent: 1406, dependent conditional: 88, dependent unconditional: 1318, unknown: 763, unknown conditional: 18, unknown unconditional: 745] , Statistics on independence cache: Total cache size (in pairs): 763, Positive cache size: 730, Positive conditional cache size: 10, Positive unconditional cache size: 720, Negative cache size: 33, Negative conditional cache size: 8, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8304 ], Independence queries for same thread: 3 - PositiveResult [Line: 18]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 66 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 29, 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, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.4s, ConditionalCommutativityCheckTime: 0.4s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 6, ConditionalCommutativityTraceChecks: 3, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-16 13:35:35,889 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 [2024-10-16 13:35:36,093 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...