/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 14:03:00,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 14:03:00,518 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 14:03:00,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 14:03:00,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 14:03:00,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 14:03:00,557 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 14:03:00,558 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 14:03:00,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 14:03:00,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 14:03:00,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 14:03:00,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 14:03:00,563 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 14:03:00,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 14:03:00,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 14:03:00,565 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 14:03:00,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 14:03:00,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 14:03:00,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 14:03:00,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 14:03:00,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 14:03:00,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 14:03:00,568 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 14:03:00,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 14:03:00,568 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 14:03:00,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 14:03:00,569 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 14:03:00,569 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 14:03:00,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 14:03:00,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 14:03:00,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 14:03:00,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 14:03:00,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 14:03:00,571 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 14:03:00,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 14:03:00,571 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 14:03:00,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 14:03:00,572 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 14:03:00,572 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 14:03:00,572 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 14:03:00,572 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 14:03:00,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 14:03:00,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 14:03:00,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 14:03:00,799 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 14:03:00,799 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 14:03:00,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2023-11-17 14:03:01,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 14:03:02,121 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 14:03:02,121 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2023-11-17 14:03:02,130 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/623a24852/b1a077d6782547498572daba626c9bdf/FLAG1107a14c2 [2023-11-17 14:03:02,143 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/623a24852/b1a077d6782547498572daba626c9bdf [2023-11-17 14:03:02,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 14:03:02,146 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 14:03:02,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 14:03:02,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 14:03:02,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 14:03:02,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e77bbec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02, skipping insertion in model container [2023-11-17 14:03:02,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 14:03:02,351 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c[2580,2593] [2023-11-17 14:03:02,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 14:03:02,366 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 14:03:02,403 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c[2580,2593] [2023-11-17 14:03:02,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 14:03:02,410 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 14:03:02,410 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 14:03:02,416 INFO L206 MainTranslator]: Completed translation [2023-11-17 14:03:02,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02 WrapperNode [2023-11-17 14:03:02,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 14:03:02,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 14:03:02,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 14:03:02,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 14:03:02,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,452 INFO L138 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-11-17 14:03:02,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 14:03:02,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 14:03:02,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 14:03:02,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 14:03:02,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 14:03:02,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 14:03:02,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 14:03:02,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 14:03:02,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02" (1/1) ... [2023-11-17 14:03:02,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 14:03:02,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:03:02,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 14:03:02,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 14:03:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 14:03:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 14:03:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 14:03:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 14:03:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 14:03:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 14:03:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 14:03:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 14:03:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 14:03:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 14:03:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 14:03:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 14:03:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 14:03:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 14:03:02,566 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 14:03:02,662 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 14:03:02,664 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 14:03:02,843 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 14:03:02,995 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 14:03:02,996 INFO L307 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-17 14:03:02,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:03:02 BoogieIcfgContainer [2023-11-17 14:03:02,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 14:03:02,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 14:03:02,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 14:03:03,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 14:03:03,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 02:03:02" (1/3) ... [2023-11-17 14:03:03,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7b308f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:03:03, skipping insertion in model container [2023-11-17 14:03:03,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:03:02" (2/3) ... [2023-11-17 14:03:03,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7b308f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:03:03, skipping insertion in model container [2023-11-17 14:03:03,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:03:02" (3/3) ... [2023-11-17 14:03:03,005 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2023-11-17 14:03:03,012 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 14:03:03,021 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 14:03:03,022 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 14:03:03,022 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 14:03:03,089 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 14:03:03,130 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 14:03:03,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 14:03:03,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:03:03,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 14:03:03,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 14:03:03,226 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 14:03:03,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 14:03:03,243 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;@770c3bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 14:03:03,243 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-17 14:03:03,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:03:03,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:03:03,354 INFO L85 PathProgramCache]: Analyzing trace with hash 934635989, now seen corresponding path program 1 times [2023-11-17 14:03:03,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:03:03,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659773402] [2023-11-17 14:03:03,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:03:03,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:03:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:03:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:03:03,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:03:03,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659773402] [2023-11-17 14:03:03,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659773402] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:03:03,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828193560] [2023-11-17 14:03:03,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:03:03,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:03:03,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:03:03,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:03:03,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 14:03:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:03:03,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-17 14:03:03,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:03:04,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:03:04,128 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:03:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:03:04,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828193560] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:03:04,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:03:04,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-17 14:03:04,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925947432] [2023-11-17 14:03:04,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:03:04,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 14:03:04,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:03:04,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 14:03:04,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-17 14:03:04,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:03:04,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:03:04,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2023-11-17 14:03:04,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:03:04,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 14:03:04,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-17 14:03:04,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-17 14:03:04,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:03:04,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:03:04,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1865376947, now seen corresponding path program 1 times [2023-11-17 14:03:04,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:03:04,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033347089] [2023-11-17 14:03:04,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:03:04,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:03:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:03:04,881 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 14:03:04,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:03:04,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033347089] [2023-11-17 14:03:04,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033347089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 14:03:04,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 14:03:04,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 14:03:04,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97824308] [2023-11-17 14:03:04,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 14:03:04,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 14:03:04,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:03:04,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 14:03:04,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-17 14:03:04,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:03:04,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:03:04,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2023-11-17 14:03:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 14:03:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:03:04,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 14:03:04,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:03:04,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 14:03:04,974 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:03:04,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:03:04,974 INFO L85 PathProgramCache]: Analyzing trace with hash 424060713, now seen corresponding path program 1 times [2023-11-17 14:03:04,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:03:04,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449353012] [2023-11-17 14:03:04,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:03:04,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:03:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:03:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 14:03:05,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:03:05,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449353012] [2023-11-17 14:03:05,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449353012] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:03:05,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102830761] [2023-11-17 14:03:05,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:03:05,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:03:05,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:03:05,393 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:03:05,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 14:03:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:03:05,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-17 14:03:05,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:03:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:03:05,894 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:03:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:03:06,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102830761] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:03:06,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:03:06,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2023-11-17 14:03:06,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147581024] [2023-11-17 14:03:06,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:03:06,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-17 14:03:06,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:03:06,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-17 14:03:06,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2023-11-17 14:03:06,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:03:06,429 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:03:06,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.277777777777778) internal successors, (77), 17 states have internal predecessors, (77), 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) [2023-11-17 14:03:06,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 14:03:06,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:03:06,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:03:08,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 14:03:08,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:03:08,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 14:03:08,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 14:03:08,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:03:08,374 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:03:08,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:03:08,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1704497227, now seen corresponding path program 2 times [2023-11-17 14:03:08,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:03:08,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113025235] [2023-11-17 14:03:08,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:03:08,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:03:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:03:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 51 proven. 85 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 14:03:08,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:03:08,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113025235] [2023-11-17 14:03:08,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113025235] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:03:08,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512594405] [2023-11-17 14:03:08,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 14:03:08,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:03:08,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:03:08,965 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:03:08,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 14:03:09,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 14:03:09,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:03:09,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-17 14:03:09,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:03:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-17 14:03:09,142 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 14:03:09,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512594405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 14:03:09,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 14:03:09,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 15 [2023-11-17 14:03:09,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861304183] [2023-11-17 14:03:09,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 14:03:09,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 14:03:09,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:03:09,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 14:03:09,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2023-11-17 14:03:09,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:03:09,144 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:03:09,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2023-11-17 14:03:09,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 14:03:09,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:03:09,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 14:03:09,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:03:09,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 14:03:09,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:03:09,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 14:03:09,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:03:09,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-17 14:03:09,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:03:09,421 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:03:09,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:03:09,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1126532775, now seen corresponding path program 1 times [2023-11-17 14:03:09,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:03:09,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822036326] [2023-11-17 14:03:09,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:03:09,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:03:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:03:10,168 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 51 proven. 92 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 14:03:10,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:03:10,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822036326] [2023-11-17 14:03:10,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822036326] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:03:10,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111891166] [2023-11-17 14:03:10,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:03:10,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:03:10,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:03:10,173 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:03:10,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-17 14:03:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:03:11,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-17 14:03:11,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:03:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 69 proven. 26 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-17 14:03:26,236 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:03:29,651 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:03:29,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111891166] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:03:29,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:03:29,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 18] total 37 [2023-11-17 14:03:29,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946145824] [2023-11-17 14:03:29,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:03:29,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-11-17 14:03:29,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:03:29,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-11-17 14:03:29,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=1110, Unknown=7, NotChecked=0, Total=1406 [2023-11-17 14:03:29,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:03:29,655 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:03:29,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.710526315789474) internal successors, (141), 37 states have internal predecessors, (141), 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) [2023-11-17 14:03:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 14:03:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:03:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 14:03:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:03:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:03:31,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-17 14:03:36,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-17 14:04:24,495 WARN L293 SmtUtils]: Spent 35.33s on a formula simplification. DAG size of input: 85 DAG size of output: 73 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:04:27,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-17 14:05:08,051 WARN L293 SmtUtils]: Spent 26.11s on a formula simplification. DAG size of input: 79 DAG size of output: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:05:10,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:05:12,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:05:15,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:05:16,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-17 14:05:17,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:05:19,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:05:21,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:05:53,874 WARN L293 SmtUtils]: Spent 17.73s on a formula simplification. DAG size of input: 73 DAG size of output: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:05:57,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:00,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:02,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:04,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:06,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:09,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:12,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:33,172 WARN L293 SmtUtils]: Spent 7.37s on a formula simplification. DAG size of input: 67 DAG size of output: 60 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:06:35,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:37,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:39,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:41,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:43,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:46,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:48,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:50,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:52,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:06:54,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:07:07,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:07:09,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:07:13,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-17 14:07:15,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:07:17,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:07:20,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:07:21,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:07:23,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:07:25,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:07:44,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:07:46,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:07:47,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:08:21,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 14:08:21,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:08:21,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 14:08:21,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:08:21,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 14:08:21,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-17 14:08:21,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:08:21,449 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:08:21,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:08:21,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1801847593, now seen corresponding path program 2 times [2023-11-17 14:08:21,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:08:21,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758570789] [2023-11-17 14:08:21,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:08:21,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:08:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:08:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 65 proven. 266 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 14:08:23,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:08:23,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758570789] [2023-11-17 14:08:23,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758570789] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:08:23,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478758042] [2023-11-17 14:08:23,063 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 14:08:23,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:08:23,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:08:23,065 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:08:23,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-17 14:08:25,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 14:08:25,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:08:25,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-17 14:08:25,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:08:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-17 14:08:26,554 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:08:31,188 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-17 14:08:31,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478758042] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:08:31,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:08:31,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 15, 15] total 50 [2023-11-17 14:08:31,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168402611] [2023-11-17 14:08:31,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:08:31,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-11-17 14:08:31,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:08:31,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-11-17 14:08:31,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=2263, Unknown=0, NotChecked=0, Total=2550 [2023-11-17 14:08:31,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:08:31,193 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:08:31,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.098039215686274) internal successors, (209), 50 states have internal predecessors, (209), 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) [2023-11-17 14:08:31,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 14:08:31,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:08:31,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 14:08:31,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:08:31,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-17 14:08:31,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:09:53,790 WARN L293 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 75 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:10:37,442 WARN L293 SmtUtils]: Spent 10.39s on a formula simplification. DAG size of input: 80 DAG size of output: 42 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:10:38,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:11:03,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:11:28,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 14:11:28,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:11:28,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 14:11:28,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:11:28,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 14:11:28,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-17 14:11:28,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-17 14:11:28,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:11:28,762 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:11:28,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:11:28,763 INFO L85 PathProgramCache]: Analyzing trace with hash 35987461, now seen corresponding path program 3 times [2023-11-17 14:11:28,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:11:28,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536474453] [2023-11-17 14:11:28,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:11:28,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:11:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:11:34,360 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 215 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2023-11-17 14:11:34,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:11:34,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536474453] [2023-11-17 14:11:34,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536474453] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:11:34,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174477460] [2023-11-17 14:11:34,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 14:11:34,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:11:34,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:11:34,362 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:11:34,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-17 14:11:42,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-17 14:11:42,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:11:42,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-17 14:11:42,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:11:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-11-17 14:11:50,946 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:11:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-11-17 14:11:56,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174477460] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:11:56,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:11:56,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 15] total 45 [2023-11-17 14:11:56,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420061321] [2023-11-17 14:11:56,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:11:56,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-17 14:11:56,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:11:56,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-17 14:11:56,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=1794, Unknown=2, NotChecked=0, Total=2070 [2023-11-17 14:11:56,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:11:56,781 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:11:56,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.630434782608696) internal successors, (167), 45 states have internal predecessors, (167), 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) [2023-11-17 14:11:56,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 14:11:56,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:11:56,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 14:11:56,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:11:56,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-17 14:11:56,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-11-17 14:11:56,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:12:13,200 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (div c_~N~0 2147483648))) (let ((.cse1 (* (mod c_~N~0 2147483648) 2)) (.cse0 (* (- 1) c_~i2~0)) (.cse3 (* c_~N~0 2)) (.cse2 (* .cse4 4294967296))) (and (<= (+ 2 (* (div (+ c_~i1~0 4294967293) 4294967296) 4294967296) (* 4294967296 (div (+ 2147483649 (* (div (+ c_~i1~0 (- 1)) 2) 2) (* c_~i1~0 (- 1))) 2147483648)) (* (div (+ c_~i1~0 .cse0 4294967293) 4294967296) 4294967296)) (+ c_~i1~0 (* (div (+ c_~i1~0 (- 2) .cse0) 4294967296) 4294967296))) (or (< .cse1 (+ (mod (+ c_~i1~0 3) 4294967296) 1)) (< (+ c_~i1~0 .cse2 4) (+ (* (div (+ c_~i1~0 4) 4294967296) 4294967296) .cse3))) (or (< .cse1 (+ (mod (+ c_~i1~0 1) 4294967296) 1)) (< (+ c_~i1~0 .cse2 2) (+ .cse3 (* (div (+ c_~i1~0 2) 4294967296) 4294967296)))) (let ((.cse5 (* 4294967296 (div c_~i1~0 4294967296)))) (or (< (+ 9 (* (div (+ c_~i1~0 4294967285 .cse0) 4294967296) 4294967296) (* 8589934592 .cse4) (* (div (+ (div (+ c_~i1~0 (- 9)) 2) 2147483653 (* (- 1) c_~N~0)) 2147483648) 4294967296)) (+ c_~i1~0 (* (div (+ .cse3 .cse0 (- 10)) 4294967296) 4294967296) .cse5)) (< (+ .cse3 .cse5) (+ c_~i1~0 .cse2 1))))))) is different from false [2023-11-17 14:12:15,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:12:19,013 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (div c_~N~0 2147483648))) (let ((.cse0 (* (mod c_~N~0 2147483648) 2)) (.cse2 (* c_~N~0 2)) (.cse1 (* .cse4 4294967296)) (.cse3 (* (- 1) c_~i2~0))) (and (or (< .cse0 (+ (mod (+ c_~i1~0 3) 4294967296) 1)) (< (+ c_~i1~0 .cse1 4) (+ (* (div (+ c_~i1~0 4) 4294967296) 4294967296) .cse2))) (or (< .cse0 (+ (mod (+ c_~i1~0 1) 4294967296) 1)) (< (+ c_~i1~0 .cse1 2) (+ .cse2 (* (div (+ c_~i1~0 2) 4294967296) 4294967296)))) (let ((.cse5 (* 4294967296 (div c_~i1~0 4294967296)))) (or (< (+ 9 (* (div (+ c_~i1~0 4294967285 .cse3) 4294967296) 4294967296) (* 8589934592 .cse4) (* (div (+ (div (+ c_~i1~0 (- 9)) 2) 2147483653 (* (- 1) c_~N~0)) 2147483648) 4294967296)) (+ c_~i1~0 (* (div (+ .cse2 .cse3 (- 10)) 4294967296) 4294967296) .cse5)) (< (+ .cse2 .cse5) (+ c_~i1~0 .cse1 1)))) (<= (+ (* (div (+ c_~i1~0 4294967291) 4294967296) 4294967296) (* (div (+ 2147483651 (* 2 (div (+ c_~i1~0 (- 3)) 2)) (* c_~i1~0 (- 1))) 2147483648) 4294967296) (* (div (+ c_~i1~0 4294967291 .cse3) 4294967296) 4294967296) 4) (+ c_~i1~0 (* (div (+ c_~i1~0 (- 4) .cse3) 4294967296) 4294967296)))))) is different from false [2023-11-17 14:12:23,327 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (div c_~N~0 2147483648))) (let ((.cse0 (* (mod c_~N~0 2147483648) 2)) (.cse2 (* c_~N~0 2)) (.cse1 (* .cse4 4294967296)) (.cse3 (* (- 1) c_~i2~0))) (and (or (< .cse0 (+ (mod (+ c_~i1~0 3) 4294967296) 1)) (< (+ c_~i1~0 .cse1 4) (+ (* (div (+ c_~i1~0 4) 4294967296) 4294967296) .cse2))) (or (< .cse0 (+ (mod (+ c_~i1~0 1) 4294967296) 1)) (< (+ c_~i1~0 .cse1 2) (+ .cse2 (* (div (+ c_~i1~0 2) 4294967296) 4294967296)))) (let ((.cse5 (* 4294967296 (div c_~i1~0 4294967296)))) (or (< (+ 9 (* (div (+ c_~i1~0 4294967285 .cse3) 4294967296) 4294967296) (* 8589934592 .cse4) (* (div (+ (div (+ c_~i1~0 (- 9)) 2) 2147483653 (* (- 1) c_~N~0)) 2147483648) 4294967296)) (+ c_~i1~0 (* (div (+ .cse2 .cse3 (- 10)) 4294967296) 4294967296) .cse5)) (< (+ .cse2 .cse5) (+ c_~i1~0 .cse1 1)))) (<= (+ (* (div (+ (* c_~i1~0 (- 1)) 2147483653 (* 2 (div (+ c_~i1~0 (- 5)) 2))) 2147483648) 4294967296) (* (div (+ c_~i1~0 .cse3 4294967289) 4294967296) 4294967296) 6 (* (div (+ c_~i1~0 4294967289) 4294967296) 4294967296)) (+ c_~i1~0 (* (div (+ c_~i1~0 (- 6) .cse3) 4294967296) 4294967296)))))) is different from false [2023-11-17 14:12:27,939 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (div c_~N~0 2147483648))) (let ((.cse2 (* c_~N~0 2)) (.cse1 (* .cse4 4294967296)) (.cse3 (* (- 1) c_~i2~0)) (.cse0 (* (mod c_~N~0 2147483648) 2))) (and (or (< .cse0 (+ (mod (+ c_~i1~0 3) 4294967296) 1)) (< (+ c_~i1~0 .cse1 4) (+ (* (div (+ c_~i1~0 4) 4294967296) 4294967296) .cse2))) (or (< .cse0 (+ (mod (+ c_~i1~0 1) 4294967296) 1)) (< (+ c_~i1~0 .cse1 2) (+ .cse2 (* (div (+ c_~i1~0 2) 4294967296) 4294967296)))) (let ((.cse5 (* 4294967296 (div c_~i1~0 4294967296)))) (or (< (+ 9 (* (div (+ c_~i1~0 4294967285 .cse3) 4294967296) 4294967296) (* 8589934592 .cse4) (* (div (+ (div (+ c_~i1~0 (- 9)) 2) 2147483653 (* (- 1) c_~N~0)) 2147483648) 4294967296)) (+ c_~i1~0 (* (div (+ .cse2 .cse3 (- 10)) 4294967296) 4294967296) .cse5)) (< (+ .cse2 .cse5) (+ c_~i1~0 .cse1 1)))) (= (mod (+ c_~i1~0 4294967288) 4294967296) 0) (<= (+ (* (div (+ c_~i1~0 .cse3 4294967287) 4294967296) 4294967296) (* (div (+ c_~i1~0 4294967287) 4294967296) 4294967296) 8 (* 4294967296 (div (+ 2147483655 (* c_~i1~0 (- 1)) (* 2 (div (+ c_~i1~0 (- 7)) 2))) 2147483648))) (+ c_~i1~0 (* (div (+ c_~i1~0 .cse3 (- 8)) 4294967296) 4294967296))) (<= (+ (mod (+ c_~i1~0 4294967295) 4294967296) 1) .cse0)))) is different from false Received shutdown request... [2023-11-17 14:12:32,524 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 14:12:32,524 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 14:12:32,524 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 14:12:32,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-17 14:12:32,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:12:32,762 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 65 known predicates. [2023-11-17 14:12:32,764 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-11-17 14:12:32,764 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-11-17 14:12:32,765 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-11-17 14:12:32,768 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2023-11-17 14:12:32,771 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 14:12:32,771 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 14:12:32,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 02:12:32 BasicIcfg [2023-11-17 14:12:32,774 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 14:12:32,774 INFO L158 Benchmark]: Toolchain (without parser) took 570628.22ms. Allocated memory was 244.3MB in the beginning and 293.6MB in the end (delta: 49.3MB). Free memory was 195.9MB in the beginning and 104.4MB in the end (delta: 91.6MB). Peak memory consumption was 141.9MB. Max. memory is 8.0GB. [2023-11-17 14:12:32,774 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 14:12:32,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.42ms. Allocated memory is still 244.3MB. Free memory was 195.4MB in the beginning and 184.4MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 14:12:32,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.35ms. Allocated memory is still 244.3MB. Free memory was 184.4MB in the beginning and 182.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 14:12:32,775 INFO L158 Benchmark]: Boogie Preprocessor took 41.54ms. Allocated memory is still 244.3MB. Free memory was 182.3MB in the beginning and 181.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-11-17 14:12:32,775 INFO L158 Benchmark]: RCFGBuilder took 502.16ms. Allocated memory is still 244.3MB. Free memory was 181.3MB in the beginning and 154.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-11-17 14:12:32,776 INFO L158 Benchmark]: TraceAbstraction took 569774.61ms. Allocated memory was 244.3MB in the beginning and 293.6MB in the end (delta: 49.3MB). Free memory was 153.0MB in the beginning and 104.4MB in the end (delta: 48.6MB). Peak memory consumption was 98.9MB. Max. memory is 8.0GB. [2023-11-17 14:12:32,782 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 270.42ms. Allocated memory is still 244.3MB. Free memory was 195.4MB in the beginning and 184.4MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.35ms. Allocated memory is still 244.3MB. Free memory was 184.4MB in the beginning and 182.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.54ms. Allocated memory is still 244.3MB. Free memory was 182.3MB in the beginning and 181.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 502.16ms. Allocated memory is still 244.3MB. Free memory was 181.3MB in the beginning and 154.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 569774.61ms. Allocated memory was 244.3MB in the beginning and 293.6MB in the end (delta: 49.3MB). Free memory was 153.0MB in the beginning and 104.4MB in the end (delta: 48.6MB). Peak memory consumption was 98.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2114, independent: 1733, independent conditional: 1456, independent unconditional: 277, dependent: 381, dependent conditional: 378, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1736, independent: 1733, independent conditional: 1456, independent unconditional: 277, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1736, independent: 1733, independent conditional: 1456, independent unconditional: 277, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1736, independent: 1733, independent conditional: 0, independent unconditional: 1733, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1736, independent: 1733, independent conditional: 0, independent unconditional: 1733, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1736, independent: 1733, independent conditional: 0, independent unconditional: 1733, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 240, independent: 237, independent conditional: 0, independent unconditional: 237, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 240, independent: 232, independent conditional: 0, independent unconditional: 232, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1736, independent: 1496, independent conditional: 0, independent unconditional: 1496, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 240, unknown conditional: 0, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 237, Positive conditional cache size: 0, Positive unconditional cache size: 237, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 378 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 23, Number of trivial persistent sets: 12, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 280, independent: 277, independent conditional: 0, independent unconditional: 277, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2114, independent: 1733, independent conditional: 1456, independent unconditional: 277, dependent: 381, dependent conditional: 378, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1736, independent: 1733, independent conditional: 1456, independent unconditional: 277, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1736, independent: 1733, independent conditional: 1456, independent unconditional: 277, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1736, independent: 1733, independent conditional: 0, independent unconditional: 1733, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1736, independent: 1733, independent conditional: 0, independent unconditional: 1733, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1736, independent: 1733, independent conditional: 0, independent unconditional: 1733, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 240, independent: 237, independent conditional: 0, independent unconditional: 237, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 240, independent: 232, independent conditional: 0, independent unconditional: 232, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1736, independent: 1496, independent conditional: 0, independent unconditional: 1496, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 240, unknown conditional: 0, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 237, Positive conditional cache size: 0, Positive unconditional cache size: 237, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 378 - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 65 known predicates. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 65 known predicates. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 65 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 42 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 569.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 506.9s, 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: 139, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 12.0s SatisfiabilityAnalysisTime, 48.6s InterpolantComputationTime, 778 NumberOfCodeBlocks, 762 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1078 ConstructedInterpolants, 13 QuantifiedInterpolants, 17625 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1229 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 18 InterpolantComputations, 2 PerfectInterpolantSequences, 1693/3360 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown