/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/safe012_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 13:40:43,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 13:40:43,374 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 13:40:43,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 13:40:43,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 13:40:43,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 13:40:43,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 13:40:43,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 13:40:43,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 13:40:43,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 13:40:43,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 13:40:43,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 13:40:43,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 13:40:43,417 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 13:40:43,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 13:40:43,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 13:40:43,417 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 13:40:43,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 13:40:43,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 13:40:43,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 13:40:43,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 13:40:43,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 13:40:43,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 13:40:43,419 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 13:40:43,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 13:40:43,419 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 13:40:43,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 13:40:43,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 13:40:43,420 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 13:40:43,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 13:40:43,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:40:43,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 13:40:43,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 13:40:43,421 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 13:40:43,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 13:40:43,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 13:40:43,422 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 13:40:43,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 13:40:43,422 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 13:40:43,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 13:40:43,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 13:40:43,422 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 13:40:43,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 13:40:43,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 13:40:43,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 13:40:43,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 13:40:43,656 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 13:40:43,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2024-05-30 13:40:44,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 13:40:44,895 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 13:40:44,896 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2024-05-30 13:40:44,906 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ae411a608/e417932f674640bc888e67216eedcbfa/FLAG6e101ede5 [2024-05-30 13:40:44,916 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ae411a608/e417932f674640bc888e67216eedcbfa [2024-05-30 13:40:44,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 13:40:44,919 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 13:40:44,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 13:40:44,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 13:40:44,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 13:40:44,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:40:44" (1/1) ... [2024-05-30 13:40:44,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae1454c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:44, skipping insertion in model container [2024-05-30 13:40:44,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:40:44" (1/1) ... [2024-05-30 13:40:44,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 13:40:45,086 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/safe012_tso.i[945,958] [2024-05-30 13:40:45,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:40:45,190 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 13:40:45,201 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/safe012_tso.i[945,958] [2024-05-30 13:40:45,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:40:45,293 INFO L206 MainTranslator]: Completed translation [2024-05-30 13:40:45,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45 WrapperNode [2024-05-30 13:40:45,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 13:40:45,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 13:40:45,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 13:40:45,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 13:40:45,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45" (1/1) ... [2024-05-30 13:40:45,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45" (1/1) ... [2024-05-30 13:40:45,348 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-05-30 13:40:45,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 13:40:45,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 13:40:45,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 13:40:45,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 13:40:45,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45" (1/1) ... [2024-05-30 13:40:45,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45" (1/1) ... [2024-05-30 13:40:45,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45" (1/1) ... [2024-05-30 13:40:45,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45" (1/1) ... [2024-05-30 13:40:45,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45" (1/1) ... [2024-05-30 13:40:45,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45" (1/1) ... [2024-05-30 13:40:45,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45" (1/1) ... [2024-05-30 13:40:45,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45" (1/1) ... [2024-05-30 13:40:45,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 13:40:45,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 13:40:45,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 13:40:45,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 13:40:45,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45" (1/1) ... [2024-05-30 13:40:45,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:40:45,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:40:45,413 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) [2024-05-30 13:40:45,462 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 [2024-05-30 13:40:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 13:40:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 13:40:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 13:40:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 13:40:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 13:40:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-30 13:40:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-30 13:40:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-30 13:40:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-30 13:40:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-30 13:40:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-30 13:40:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 13:40:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 13:40:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 13:40:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 13:40:45,506 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 13:40:45,625 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 13:40:45,626 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 13:40:45,776 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 13:40:45,783 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 13:40:45,783 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-30 13:40:45,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:40:45 BoogieIcfgContainer [2024-05-30 13:40:45,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 13:40:45,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 13:40:45,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 13:40:45,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 13:40:45,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 01:40:44" (1/3) ... [2024-05-30 13:40:45,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22170781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:40:45, skipping insertion in model container [2024-05-30 13:40:45,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:40:45" (2/3) ... [2024-05-30 13:40:45,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22170781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:40:45, skipping insertion in model container [2024-05-30 13:40:45,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:40:45" (3/3) ... [2024-05-30 13:40:45,789 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_tso.i [2024-05-30 13:40:45,796 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 13:40:45,803 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 13:40:45,803 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 13:40:45,803 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 13:40:45,848 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 13:40:45,882 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:40:45,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:40:45,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:40:45,885 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) [2024-05-30 13:40:45,887 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 [2024-05-30 13:40:45,928 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:40:45,935 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 13:40:45,950 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;@86e7dfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:40:45,950 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:40:45,960 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:40:45,987 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 128 states. [2024-05-30 13:40:45,988 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:40:45,990 INFO L78 Accepts]: Start accepts. Automaton has currently 130 states, but on-demand construction may add more states Word has length 53 [2024-05-30 13:40:45,992 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:40:45,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:40:45,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:40:45,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1544021299, now seen corresponding path program 1 times [2024-05-30 13:40:46,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:40:46,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020428547] [2024-05-30 13:40:46,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:40:46,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:40:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:40:46,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:40:46,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:40:46,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020428547] [2024-05-30 13:40:46,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020428547] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:40:46,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:40:46,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 13:40:46,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435849537] [2024-05-30 13:40:46,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:40:46,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 13:40:46,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:40:46,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 13:40:46,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 13:40:46,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:46,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:40:46,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 13:40:46,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:46,292 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:40:47,088 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 637 states. [2024-05-30 13:40:47,088 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:40:47,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:47,089 INFO L78 Accepts]: Start accepts. Automaton has currently 1149 states, but on-demand construction may add more states Word has length 52 [2024-05-30 13:40:47,089 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:40:47,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 13:40:47,090 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:40:47,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:40:47,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1283663528, now seen corresponding path program 1 times [2024-05-30 13:40:47,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:40:47,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344257231] [2024-05-30 13:40:47,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:40:47,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:40:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:40:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:40:47,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:40:47,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344257231] [2024-05-30 13:40:47,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344257231] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:40:47,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:40:47,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:40:47,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820431383] [2024-05-30 13:40:47,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:40:47,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:40:47,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:40:47,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:40:47,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:40:47,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:47,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:40:47,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-05-30 13:40:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:47,460 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:40:49,457 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3010 states. [2024-05-30 13:40:49,457 INFO L212 cStratifiedReduction]: Copied states 318 times. [2024-05-30 13:40:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:40:49,458 INFO L78 Accepts]: Start accepts. Automaton has currently 3715 states, but on-demand construction may add more states Word has length 54 [2024-05-30 13:40:49,459 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:40:49,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 13:40:49,459 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:40:49,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:40:49,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1517351513, now seen corresponding path program 1 times [2024-05-30 13:40:49,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:40:49,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704077208] [2024-05-30 13:40:49,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:40:49,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:40:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:40:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:40:49,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:40:49,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704077208] [2024-05-30 13:40:49,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704077208] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:40:49,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:40:49,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 13:40:49,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429351544] [2024-05-30 13:40:49,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:40:49,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 13:40:49,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:40:49,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 13:40:49,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-30 13:40:49,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:49,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:40:49,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 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) [2024-05-30 13:40:49,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:49,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:40:49,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:49,736 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:40:53,213 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 6825 states. [2024-05-30 13:40:53,213 INFO L212 cStratifiedReduction]: Copied states 1288 times. [2024-05-30 13:40:53,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:53,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:40:53,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:40:53,214 INFO L78 Accepts]: Start accepts. Automaton has currently 7178 states, but on-demand construction may add more states Word has length 64 [2024-05-30 13:40:53,215 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:40:53,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 13:40:53,215 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:40:53,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:40:53,216 INFO L85 PathProgramCache]: Analyzing trace with hash 689958676, now seen corresponding path program 1 times [2024-05-30 13:40:53,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:40:53,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540838684] [2024-05-30 13:40:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:40:53,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:40:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:40:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:40:53,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:40:53,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540838684] [2024-05-30 13:40:53,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540838684] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:40:53,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:40:53,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:40:53,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322453838] [2024-05-30 13:40:53,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:40:53,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:40:53,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:40:53,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:40:53,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:40:53,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:53,394 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:40:53,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2024-05-30 13:40:53,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:53,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:40:53,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:40:53,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:53,394 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:40:56,465 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 7372 states. [2024-05-30 13:40:56,465 INFO L212 cStratifiedReduction]: Copied states 1377 times. [2024-05-30 13:40:56,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:56,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:40:56,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:40:56,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 13:40:56,466 INFO L78 Accepts]: Start accepts. Automaton has currently 7562 states, but on-demand construction may add more states Word has length 67 [2024-05-30 13:40:56,466 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:40:56,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 13:40:56,467 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:40:56,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:40:56,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1180608639, now seen corresponding path program 1 times [2024-05-30 13:40:56,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:40:56,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342382767] [2024-05-30 13:40:56,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:40:56,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:40:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:40:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:40:56,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:40:56,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342382767] [2024-05-30 13:40:56,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342382767] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:40:56,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:40:56,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 13:40:56,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785795916] [2024-05-30 13:40:56,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:40:56,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 13:40:56,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:40:56,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 13:40:56,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-30 13:40:56,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:56,606 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:40:56,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 13:40:56,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:56,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:40:56,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:40:56,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 13:40:56,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:56,607 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:40:59,947 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 8123 states. [2024-05-30 13:40:59,947 INFO L212 cStratifiedReduction]: Copied states 2289 times. [2024-05-30 13:40:59,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:40:59,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:40:59,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:40:59,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 13:40:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 13:40:59,954 INFO L78 Accepts]: Start accepts. Automaton has currently 7581 states, but on-demand construction may add more states Word has length 66 [2024-05-30 13:40:59,955 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:40:59,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-30 13:40:59,955 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:40:59,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:40:59,964 INFO L85 PathProgramCache]: Analyzing trace with hash 746503669, now seen corresponding path program 1 times [2024-05-30 13:40:59,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:40:59,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529024098] [2024-05-30 13:40:59,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:40:59,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:40:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:41:00,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:41:00,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:41:00,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529024098] [2024-05-30 13:41:00,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529024098] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:41:00,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:41:00,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 13:41:00,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100716130] [2024-05-30 13:41:00,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:41:00,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 13:41:00,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:41:00,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 13:41:00,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-30 13:41:00,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:41:00,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:41:00,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2024-05-30 13:41:00,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:41:00,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:41:00,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:41:00,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 13:41:00,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 13:41:00,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:41:00,117 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:41:04,994 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 12043 states. [2024-05-30 13:41:04,995 INFO L212 cStratifiedReduction]: Copied states 3187 times. [2024-05-30 13:41:04,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:41:04,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:41:04,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:41:04,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 13:41:04,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 13:41:04,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-30 13:41:04,995 INFO L78 Accepts]: Start accepts. Automaton has currently 10837 states, but on-demand construction may add more states Word has length 71 [2024-05-30 13:41:04,996 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:41:04,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-30 13:41:04,996 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:41:04,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:41:04,996 INFO L85 PathProgramCache]: Analyzing trace with hash 610584871, now seen corresponding path program 1 times [2024-05-30 13:41:04,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:41:04,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961167387] [2024-05-30 13:41:04,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:41:04,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:41:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:41:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:41:05,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:41:05,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961167387] [2024-05-30 13:41:05,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961167387] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:41:05,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:41:05,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 13:41:05,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525998819] [2024-05-30 13:41:05,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:41:05,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 13:41:05,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:41:05,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 13:41:05,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-30 13:41:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:41:05,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:41:05,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2024-05-30 13:41:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:41:05,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:41:05,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:41:05,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 13:41:05,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 13:41:05,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-30 13:41:05,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:41:05,119 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:41:10,957 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 15728 states. [2024-05-30 13:41:10,958 INFO L212 cStratifiedReduction]: Copied states 3454 times. [2024-05-30 13:41:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:41:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:41:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:41:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 13:41:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 13:41:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-30 13:41:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 13:41:10,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 13:41:10,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-30 13:41:11,126 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-05-30 13:41:11,129 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/4) [2024-05-30 13:41:11,134 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:41:11,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:41:11,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:41:11,174 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) [2024-05-30 13:41:11,175 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 [2024-05-30 13:41:11,195 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:41:11,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-30 13:41:11,196 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;@86e7dfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:41:11,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:41:11,196 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:41:11,197 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 21 states. [2024-05-30 13:41:11,197 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:41:11,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-30 13:41:11,198 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 13:41:11,199 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2024-05-30 13:41:11,200 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:41:11,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:41:11,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:41:11,205 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) [2024-05-30 13:41:11,225 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 [2024-05-30 13:41:11,229 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:41:11,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-30 13:41:11,230 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;@86e7dfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:41:11,230 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:41:11,230 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:41:11,668 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 525 states. [2024-05-30 13:41:11,669 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:41:11,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-30 13:41:11,670 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 13:41:11,671 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4) [2024-05-30 13:41:11,673 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:41:11,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:41:11,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:41:11,691 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) [2024-05-30 13:41:11,691 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 [2024-05-30 13:41:11,694 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:41:11,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-30 13:41:11,694 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;@86e7dfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:41:11,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:41:11,695 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:41:11,725 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 77 states. [2024-05-30 13:41:11,725 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:41:11,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-30 13:41:11,727 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 13:41:11,728 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/4) [2024-05-30 13:41:11,728 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 13:41:11,728 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 13:41:11,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 01:41:11 BasicIcfg [2024-05-30 13:41:11,732 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 13:41:11,732 INFO L158 Benchmark]: Toolchain (without parser) took 26813.69ms. Allocated memory was 237.0MB in the beginning and 4.8GB in the end (delta: 4.5GB). Free memory was 164.3MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 580.6MB. Max. memory is 8.0GB. [2024-05-30 13:41:11,732 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 237.0MB. Free memory is still 204.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 13:41:11,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.12ms. Allocated memory is still 237.0MB. Free memory was 164.0MB in the beginning and 143.1MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-30 13:41:11,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.17ms. Allocated memory is still 237.0MB. Free memory was 143.1MB in the beginning and 141.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 13:41:11,733 INFO L158 Benchmark]: Boogie Preprocessor took 20.79ms. Allocated memory is still 237.0MB. Free memory was 141.0MB in the beginning and 139.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 13:41:11,733 INFO L158 Benchmark]: RCFGBuilder took 413.56ms. Allocated memory is still 237.0MB. Free memory was 139.4MB in the beginning and 193.0MB in the end (delta: -53.6MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2024-05-30 13:41:11,734 INFO L158 Benchmark]: TraceAbstraction took 25946.56ms. Allocated memory was 237.0MB in the beginning and 4.8GB in the end (delta: 4.5GB). Free memory was 192.0MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 607.7MB. Max. memory is 8.0GB. [2024-05-30 13:41:11,735 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 237.0MB. Free memory is still 204.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 374.12ms. Allocated memory is still 237.0MB. Free memory was 164.0MB in the beginning and 143.1MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.17ms. Allocated memory is still 237.0MB. Free memory was 143.1MB in the beginning and 141.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.79ms. Allocated memory is still 237.0MB. Free memory was 141.0MB in the beginning and 139.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 413.56ms. Allocated memory is still 237.0MB. Free memory was 139.4MB in the beginning and 193.0MB in the end (delta: -53.6MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * TraceAbstraction took 25946.56ms. Allocated memory was 237.0MB in the beginning and 4.8GB in the end (delta: 4.5GB). Free memory was 192.0MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 607.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 141997, independent: 140869, independent conditional: 140869, independent unconditional: 0, dependent: 1128, dependent conditional: 1128, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 141859, independent: 140869, independent conditional: 140869, independent unconditional: 0, dependent: 990, dependent conditional: 990, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 141859, independent: 140869, independent conditional: 140869, independent unconditional: 0, dependent: 990, dependent conditional: 990, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 146949, independent: 140869, independent conditional: 0, independent unconditional: 140869, dependent: 6080, dependent conditional: 5090, dependent unconditional: 990, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 146949, independent: 140869, independent conditional: 0, independent unconditional: 140869, dependent: 6080, dependent conditional: 0, dependent unconditional: 6080, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 146949, independent: 140869, independent conditional: 0, independent unconditional: 140869, dependent: 6080, dependent conditional: 0, dependent unconditional: 6080, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 141859, independent: 140869, independent conditional: 0, independent unconditional: 140869, dependent: 990, dependent conditional: 0, dependent unconditional: 990, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 141859, independent: 139962, independent conditional: 0, independent unconditional: 139962, dependent: 1897, dependent conditional: 0, dependent unconditional: 1897, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1897, independent: 907, independent conditional: 0, independent unconditional: 907, dependent: 990, dependent conditional: 0, dependent unconditional: 990, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1897, independent: 907, independent conditional: 0, independent unconditional: 907, dependent: 990, dependent conditional: 0, dependent unconditional: 990, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1897, independent: 907, independent conditional: 0, independent unconditional: 907, dependent: 990, dependent conditional: 0, dependent unconditional: 990, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1477, independent: 493, independent conditional: 0, independent unconditional: 493, dependent: 983, dependent conditional: 0, dependent unconditional: 983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 146949, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5090, dependent conditional: 0, dependent unconditional: 5090, unknown: 141859, unknown conditional: 0, unknown unconditional: 141859] , Statistics on independence cache: Total cache size (in pairs): 141859, Positive cache size: 140869, Positive conditional cache size: 0, Positive unconditional cache size: 140869, Negative cache size: 990, Negative conditional cache size: 0, Negative unconditional cache size: 990, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5090, Maximal queried relation: 7, Independence queries for same thread: 138 - StatisticsResult: Reduction benchmarks 27.5ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 128, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 795.7ms Time before loop, 0.0ms Time in loop, 0.8s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 637, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 1996.2ms Time before loop, 0.0ms Time in loop, 2.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 3010, Duplicate States: 318, Protected Variables: 6 - StatisticsResult: Reduction benchmarks 3476.5ms Time before loop, 0.0ms Time in loop, 3.5s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 6825, Duplicate States: 1288, Protected Variables: 7 - StatisticsResult: Reduction benchmarks 3070.0ms Time before loop, 0.0ms Time in loop, 3.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 7372, Duplicate States: 1377, Protected Variables: 9 - StatisticsResult: Reduction benchmarks 3339.7ms Time before loop, 0.0ms Time in loop, 3.3s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 8123, Duplicate States: 2289, Protected Variables: 11 - StatisticsResult: Reduction benchmarks 4877.1ms Time before loop, 0.0ms Time in loop, 4.9s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 12043, Duplicate States: 3187, Protected Variables: 11 - StatisticsResult: Reduction benchmarks 5838.1ms Time before loop, 0.0ms Time in loop, 5.8s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 15728, Duplicate States: 3454, Protected Variables: 13 - StatisticsResult: Visitor Statistics States: 54, Transitions: 53, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 565, Transitions: 565, Traversal time: 0.8s - StatisticsResult: Visitor Statistics States: 2933, Transitions: 3315, Traversal time: 2.0s - StatisticsResult: Visitor Statistics States: 6697, Transitions: 7837, Traversal time: 3.5s - StatisticsResult: Visitor Statistics States: 7181, Transitions: 8026, Traversal time: 3.1s - StatisticsResult: Visitor Statistics States: 7936, Transitions: 8647, Traversal time: 3.3s - StatisticsResult: Visitor Statistics States: 11768, Transitions: 12823, Traversal time: 4.9s - StatisticsResult: Visitor Statistics States: 15471, Transitions: 16393, Traversal time: 5.8s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 11, RedundantProofs: 3, ProvenStates: 946, Times there's more than one choice: 558, Avg number of choices: 3.429175475687104 - 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 1.4ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 21, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 22, Transitions: 21, 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: 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 437.9ms Time before loop, 0.0ms Time in loop, 0.4s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 525, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 526, Transitions: 525, Traversal time: 0.4s - 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 30.0ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 77, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 78, Transitions: 77, 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, 119 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 25.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 23.5s, 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: 66, 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, 1.1s InterpolantComputationTime, 427 NumberOfCodeBlocks, 427 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 1383 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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, 119 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.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 119 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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, 119 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! [2024-05-30 13:41:11,772 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 [2024-05-30 13:41:11,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-05-30 13:41:12,169 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 [2024-05-30 13:41:12,373 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 [2024-05-30 13:41:12,580 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...