/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe030_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 02:45:52,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 02:45:52,330 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-03 02:45:52,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 02:45:52,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 02:45:52,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-03 02:45:52,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 02:45:52,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 02:45:52,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 02:45:52,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 02:45:52,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 02:45:52,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 02:45:52,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 02:45:52,367 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 02:45:52,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 02:45:52,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 02:45:52,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 02:45:52,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 02:45:52,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 02:45:52,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 02:45:52,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 02:45:52,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 02:45:52,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 02:45:52,370 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 02:45:52,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 02:45:52,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 02:45:52,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 02:45:52,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 02:45:52,372 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 02:45:52,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 02:45:52,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 02:45:52,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 02:45:52,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 02:45:52,373 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-03 02:45:52,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 02:45:52,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 02:45:52,373 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-03 02:45:52,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-03 02:45:52,373 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 02:45:52,373 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 02:45:52,374 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 02:45:52,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 02:45:52,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 02:45:52,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 02:45:52,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 02:45:52,626 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 02:45:52,627 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 02:45:52,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_tso.i [2024-05-03 02:45:53,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 02:45:53,941 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 02:45:53,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_tso.i [2024-05-03 02:45:53,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c6888779f/1b21f720b0234a4db4f03ced55df235c/FLAG400b8bc82 [2024-05-03 02:45:53,964 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c6888779f/1b21f720b0234a4db4f03ced55df235c [2024-05-03 02:45:53,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 02:45:53,967 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 02:45:53,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 02:45:53,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 02:45:53,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 02:45:53,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 02:45:53" (1/1) ... [2024-05-03 02:45:53,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248d30c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:53, skipping insertion in model container [2024-05-03 02:45:53,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 02:45:53" (1/1) ... [2024-05-03 02:45:53,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 02:45:54,113 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_tso.i[945,958] [2024-05-03 02:45:54,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 02:45:54,269 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 02:45:54,280 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_tso.i[945,958] [2024-05-03 02:45:54,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 02:45:54,343 INFO L206 MainTranslator]: Completed translation [2024-05-03 02:45:54,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54 WrapperNode [2024-05-03 02:45:54,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 02:45:54,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 02:45:54,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 02:45:54,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 02:45:54,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54" (1/1) ... [2024-05-03 02:45:54,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54" (1/1) ... [2024-05-03 02:45:54,393 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-05-03 02:45:54,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 02:45:54,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 02:45:54,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 02:45:54,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 02:45:54,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54" (1/1) ... [2024-05-03 02:45:54,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54" (1/1) ... [2024-05-03 02:45:54,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54" (1/1) ... [2024-05-03 02:45:54,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54" (1/1) ... [2024-05-03 02:45:54,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54" (1/1) ... [2024-05-03 02:45:54,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54" (1/1) ... [2024-05-03 02:45:54,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54" (1/1) ... [2024-05-03 02:45:54,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54" (1/1) ... [2024-05-03 02:45:54,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 02:45:54,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 02:45:54,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 02:45:54,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 02:45:54,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54" (1/1) ... [2024-05-03 02:45:54,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 02:45:54,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 02:45:54,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-03 02:45:54,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 02:45:54,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 02:45:54,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 02:45:54,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 02:45:54,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 02:45:54,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 02:45:54,505 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-03 02:45:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-03 02:45:54,505 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-03 02:45:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-03 02:45:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-03 02:45:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-03 02:45:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 02:45:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 02:45:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 02:45:54,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 02:45:54,524 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 02:45:54,635 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 02:45:54,637 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 02:45:54,756 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 02:45:54,764 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 02:45:54,764 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-03 02:45:54,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 02:45:54 BoogieIcfgContainer [2024-05-03 02:45:54,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 02:45:54,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 02:45:54,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 02:45:54,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 02:45:54,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 02:45:53" (1/3) ... [2024-05-03 02:45:54,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac2b8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 02:45:54, skipping insertion in model container [2024-05-03 02:45:54,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 02:45:54" (2/3) ... [2024-05-03 02:45:54,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac2b8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 02:45:54, skipping insertion in model container [2024-05-03 02:45:54,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 02:45:54" (3/3) ... [2024-05-03 02:45:54,770 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_tso.i [2024-05-03 02:45:54,776 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 02:45:54,783 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 02:45:54,783 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 02:45:54,784 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 02:45:54,819 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-03 02:45:54,858 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:45:54,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 02:45:54,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 02:45:54,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 02:45:54,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 02:45:54,910 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 02:45:54,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 02:45:54,934 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=LoopsAndPotentialCycles, 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;@54f3fa0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:45:54,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 02:45:54,941 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 02:45:54,963 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 125 states. [2024-05-03 02:45:54,963 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 02:45:54,966 INFO L78 Accepts]: Start accepts. Automaton has currently 127 states, but on-demand construction may add more states Word has length 50 [2024-05-03 02:45:54,970 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 02:45:54,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 02:45:54,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 02:45:54,975 INFO L85 PathProgramCache]: Analyzing trace with hash -2122617631, now seen corresponding path program 1 times [2024-05-03 02:45:54,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 02:45:54,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265622442] [2024-05-03 02:45:54,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 02:45:54,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 02:45:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 02:45:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 02:45:55,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 02:45:55,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265622442] [2024-05-03 02:45:55,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265622442] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 02:45:55,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 02:45:55,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 02:45:55,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137223584] [2024-05-03 02:45:55,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 02:45:55,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 02:45:55,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 02:45:55,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 02:45:55,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 02:45:55,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:55,311 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 02:45:55,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 02:45:55,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:55,314 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 02:45:56,072 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 634 states. [2024-05-03 02:45:56,072 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 02:45:56,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:56,073 INFO L78 Accepts]: Start accepts. Automaton has currently 1146 states, but on-demand construction may add more states Word has length 49 [2024-05-03 02:45:56,073 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 02:45:56,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 02:45:56,074 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 02:45:56,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 02:45:56,075 INFO L85 PathProgramCache]: Analyzing trace with hash -772268668, now seen corresponding path program 1 times [2024-05-03 02:45:56,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 02:45:56,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616496389] [2024-05-03 02:45:56,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 02:45:56,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 02:45:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 02:45:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 02:45:56,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 02:45:56,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616496389] [2024-05-03 02:45:56,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616496389] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 02:45:56,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 02:45:56,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-03 02:45:56,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122299315] [2024-05-03 02:45:56,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 02:45:56,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 02:45:56,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 02:45:56,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 02:45:56,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-03 02:45:56,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:56,422 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 02:45:56,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 02:45:56,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:56,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:56,423 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 02:45:58,190 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 2941 states. [2024-05-03 02:45:58,190 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 02:45:58,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:58,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 02:45:58,191 INFO L78 Accepts]: Start accepts. Automaton has currently 4328 states, but on-demand construction may add more states Word has length 58 [2024-05-03 02:45:58,191 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 02:45:58,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 02:45:58,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 02:45:58,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 02:45:58,193 INFO L85 PathProgramCache]: Analyzing trace with hash 805545850, now seen corresponding path program 1 times [2024-05-03 02:45:58,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 02:45:58,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23055606] [2024-05-03 02:45:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 02:45:58,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 02:45:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 02:45:58,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 02:45:58,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 02:45:58,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23055606] [2024-05-03 02:45:58,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23055606] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 02:45:58,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 02:45:58,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-03 02:45:58,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554893366] [2024-05-03 02:45:58,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 02:45:58,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 02:45:58,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 02:45:58,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 02:45:58,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-03 02:45:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:58,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 02:45:58,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 02:45:58,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:58,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 02:45:58,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:58,417 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 02:45:59,750 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3189 states. [2024-05-03 02:45:59,750 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 02:45:59,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:59,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 02:45:59,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 02:45:59,751 INFO L78 Accepts]: Start accepts. Automaton has currently 4648 states, but on-demand construction may add more states Word has length 65 [2024-05-03 02:45:59,751 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 02:45:59,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-03 02:45:59,752 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 02:45:59,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 02:45:59,753 INFO L85 PathProgramCache]: Analyzing trace with hash 579082636, now seen corresponding path program 1 times [2024-05-03 02:45:59,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 02:45:59,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878297556] [2024-05-03 02:45:59,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 02:45:59,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 02:45:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 02:45:59,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 02:45:59,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 02:45:59,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878297556] [2024-05-03 02:45:59,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878297556] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 02:45:59,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 02:45:59,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 02:45:59,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536013264] [2024-05-03 02:45:59,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 02:45:59,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 02:45:59,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 02:45:59,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 02:45:59,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-03 02:45:59,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:59,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 02:45:59,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 02:45:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 02:45:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 02:45:59,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:45:59,903 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 02:46:02,516 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5285 states. [2024-05-03 02:46:02,517 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 02:46:02,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:46:02,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 02:46:02,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 02:46:02,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 02:46:02,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 02:46:02,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-03 02:46:02,551 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-05-03 02:46:02,552 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/4) [2024-05-03 02:46:02,560 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:46:02,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 02:46:02,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 02:46:02,598 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 02:46:02,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-05-03 02:46:02,638 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 02:46:02,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 02:46:02,639 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=LoopsAndPotentialCycles, 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;@54f3fa0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:46:02,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 02:46:02,639 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 02:46:02,818 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 522 states. [2024-05-03 02:46:02,819 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 02:46:02,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 02:46:02,820 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 02:46:02,820 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2024-05-03 02:46:02,822 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:46:02,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 02:46:02,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 02:46:02,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 02:46:02,838 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 02:46:02,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 02:46:02,839 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=LoopsAndPotentialCycles, 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;@54f3fa0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:46:02,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 02:46:02,839 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 02:46:02,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-05-03 02:46:02,865 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 74 states. [2024-05-03 02:46:02,866 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 02:46:02,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 02:46:02,867 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 02:46:02,867 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4) [2024-05-03 02:46:02,868 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:46:02,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 02:46:02,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 02:46:02,871 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 02:46:02,874 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 02:46:02,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 02:46:02,874 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=LoopsAndPotentialCycles, 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;@54f3fa0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:46:02,874 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 02:46:02,874 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 02:46:02,875 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 18 states. [2024-05-03 02:46:02,875 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 02:46:02,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 02:46:02,876 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 02:46:02,876 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/4) [2024-05-03 02:46:02,876 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 02:46:02,876 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 02:46:02,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 02:46:02 BasicIcfg [2024-05-03 02:46:02,879 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 02:46:02,880 INFO L158 Benchmark]: Toolchain (without parser) took 8912.56ms. Allocated memory was 303.0MB in the beginning and 1.1GB in the end (delta: 846.2MB). Free memory was 231.8MB in the beginning and 690.0MB in the end (delta: -458.1MB). Peak memory consumption was 389.3MB. Max. memory is 8.0GB. [2024-05-03 02:46:02,880 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 303.0MB. Free memory is still 272.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 02:46:02,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.82ms. Allocated memory is still 303.0MB. Free memory was 231.6MB in the beginning and 210.9MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-03 02:46:02,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.12ms. Allocated memory is still 303.0MB. Free memory was 210.9MB in the beginning and 208.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 02:46:02,880 INFO L158 Benchmark]: Boogie Preprocessor took 28.32ms. Allocated memory is still 303.0MB. Free memory was 208.8MB in the beginning and 207.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 02:46:02,881 INFO L158 Benchmark]: RCFGBuilder took 341.18ms. Allocated memory is still 303.0MB. Free memory was 207.2MB in the beginning and 261.5MB in the end (delta: -54.4MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2024-05-03 02:46:02,881 INFO L158 Benchmark]: TraceAbstraction took 8113.47ms. Allocated memory was 303.0MB in the beginning and 1.1GB in the end (delta: 846.2MB). Free memory was 260.5MB in the beginning and 690.0MB in the end (delta: -429.5MB). Peak memory consumption was 417.2MB. Max. memory is 8.0GB. [2024-05-03 02:46:02,882 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2024-05-03 02:46:02,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 303.0MB. Free memory is still 272.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 375.82ms. Allocated memory is still 303.0MB. Free memory was 231.6MB in the beginning and 210.9MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.12ms. Allocated memory is still 303.0MB. Free memory was 210.9MB in the beginning and 208.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.32ms. Allocated memory is still 303.0MB. Free memory was 208.8MB in the beginning and 207.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 341.18ms. Allocated memory is still 303.0MB. Free memory was 207.2MB in the beginning and 261.5MB in the end (delta: -54.4MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * TraceAbstraction took 8113.47ms. Allocated memory was 303.0MB in the beginning and 1.1GB in the end (delta: 846.2MB). Free memory was 260.5MB in the beginning and 690.0MB in the end (delta: -429.5MB). Peak memory consumption was 417.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29910, independent: 29577, independent conditional: 29577, independent unconditional: 0, dependent: 333, dependent conditional: 333, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29907, independent: 29577, independent conditional: 29577, independent unconditional: 0, dependent: 330, dependent conditional: 330, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29907, independent: 29577, independent conditional: 29577, independent unconditional: 0, dependent: 330, dependent conditional: 330, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31059, independent: 29577, independent conditional: 0, independent unconditional: 29577, dependent: 1482, dependent conditional: 1152, dependent unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31059, independent: 29577, independent conditional: 0, independent unconditional: 29577, dependent: 1482, dependent conditional: 0, dependent unconditional: 1482, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31059, independent: 29577, independent conditional: 0, independent unconditional: 29577, dependent: 1482, dependent conditional: 0, dependent unconditional: 1482, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29907, independent: 29577, independent conditional: 0, independent unconditional: 29577, dependent: 330, dependent conditional: 0, dependent unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 29907, independent: 29456, independent conditional: 0, independent unconditional: 29456, dependent: 451, dependent conditional: 0, dependent unconditional: 451, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 451, independent: 121, independent conditional: 0, independent unconditional: 121, dependent: 330, dependent conditional: 0, dependent unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 451, independent: 121, independent conditional: 0, independent unconditional: 121, dependent: 330, dependent conditional: 0, dependent unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 451, independent: 121, independent conditional: 0, independent unconditional: 121, dependent: 330, dependent conditional: 0, dependent unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 307, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 227, dependent conditional: 0, dependent unconditional: 227, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31059, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1152, dependent conditional: 0, dependent unconditional: 1152, unknown: 29907, unknown conditional: 0, unknown unconditional: 29907] , Statistics on independence cache: Total cache size (in pairs): 29907, Positive cache size: 29577, Positive conditional cache size: 0, Positive unconditional cache size: 29577, Negative cache size: 330, Negative conditional cache size: 0, Negative unconditional cache size: 330, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1152, Maximal queried relation: 4, Independence queries for same thread: 3 - StatisticsResult: Reduction benchmarks 22.3ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 125, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 757.7ms Time before loop, 0.0ms Time in loop, 0.8s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 634, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 1766.2ms Time before loop, 0.0ms Time in loop, 1.8s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 2941, Duplicate States: 0, Protected Variables: 6 - StatisticsResult: Reduction benchmarks 1332.4ms Time before loop, 0.0ms Time in loop, 1.3s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 3189, Duplicate States: 0, Protected Variables: 6 - StatisticsResult: Reduction benchmarks 2613.6ms Time before loop, 0.0ms Time in loop, 2.6s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 5285, Duplicate States: 0, Protected Variables: 10 - StatisticsResult: Visitor Statistics States: 51, Transitions: 50, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 562, Transitions: 562, Traversal time: 0.8s - StatisticsResult: Visitor Statistics States: 2859, Transitions: 3036, Traversal time: 1.8s - StatisticsResult: Visitor Statistics States: 3108, Transitions: 3307, Traversal time: 1.3s - StatisticsResult: Visitor Statistics States: 5284, Transitions: 5816, Traversal time: 2.6s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 3, RedundantProofs: 2, ProvenStates: 8, Times there's more than one choice: 4, Avg number of choices: 1.875 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 770, independent: 770, independent conditional: 770, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 770, independent: 770, independent conditional: 770, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 770, independent: 770, independent conditional: 770, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 770, independent: 770, independent conditional: 0, independent unconditional: 770, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 770, independent: 770, independent conditional: 0, independent unconditional: 770, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 770, independent: 770, independent conditional: 0, independent unconditional: 770, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 770, independent: 770, independent conditional: 0, independent unconditional: 770, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 770, independent: 770, independent conditional: 0, independent unconditional: 770, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 770, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 770, unknown conditional: 0, unknown unconditional: 770] , Statistics on independence cache: Total cache size (in pairs): 770, Positive cache size: 770, Positive conditional cache size: 0, Positive unconditional cache size: 770, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 0 - StatisticsResult: Reduction benchmarks 179.2ms Time before loop, 0.0ms Time in loop, 0.2s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 522, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 523, Transitions: 522, Traversal time: 0.2s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 42, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 42, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 42, unknown conditional: 0, unknown unconditional: 42] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 0 - StatisticsResult: Reduction benchmarks 26.3ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 74, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 75, Transitions: 74, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Reduction benchmarks 0.4ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 18, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 19, Transitions: 18, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 116 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 6.5s, 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: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 835 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 116 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.2s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 116 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 116 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-03 02:46:02,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2024-05-03 02:46:03,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2024-05-03 02:46:03,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-05-03 02:46:03,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-03 02:46:03,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...