/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-9d61ce8-m [2023-09-06 17:51:49,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-06 17:51:49,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-06 17:51:49,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-06 17:51:49,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-06 17:51:49,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-06 17:51:49,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-06 17:51:49,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-06 17:51:49,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-06 17:51:49,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-06 17:51:49,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-06 17:51:49,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-06 17:51:49,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-06 17:51:49,364 INFO L153 SettingsManager]: * Use SBE=true [2023-09-06 17:51:49,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-06 17:51:49,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-06 17:51:49,364 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-06 17:51:49,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-06 17:51:49,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-06 17:51:49,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-06 17:51:49,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-06 17:51:49,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-06 17:51:49,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-06 17:51:49,369 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-06 17:51:49,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-06 17:51:49,372 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-06 17:51:49,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-06 17:51:49,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-06 17:51:49,372 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-06 17:51:49,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-06 17:51:49,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-06 17:51:49,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-06 17:51:49,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-06 17:51:49,373 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-06 17:51:49,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-06 17:51:49,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-06 17:51:49,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-06 17:51:49,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-06 17:51:49,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-06 17:51:49,374 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-06 17:51:49,374 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-06 17:51:49,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-06 17:51:49,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-06 17:51:49,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-06 17:51:49,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-06 17:51:49,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-06 17:51:49,604 INFO L274 PluginConnector]: CDTParser initialized [2023-09-06 17:51:49,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-09-06 17:51:50,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-06 17:51:50,738 INFO L384 CDTParser]: Found 1 translation units. [2023-09-06 17:51:50,738 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-09-06 17:51:50,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcd00f9ba/faaf78e26b03429abad105d4a566733b/FLAG39faa5431 [2023-09-06 17:51:51,082 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcd00f9ba/faaf78e26b03429abad105d4a566733b [2023-09-06 17:51:51,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-06 17:51:51,085 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-06 17:51:51,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-06 17:51:51,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-06 17:51:51,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-06 17:51:51,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74aebf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51, skipping insertion in model container [2023-09-06 17:51:51,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-06 17:51:51,212 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2023-09-06 17:51:51,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-06 17:51:51,384 INFO L202 MainTranslator]: Completed pre-run [2023-09-06 17:51:51,391 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2023-09-06 17:51:51,406 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-09-06 17:51:51,408 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-09-06 17:51:51,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-06 17:51:51,462 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-06 17:51:51,462 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-06 17:51:51,467 INFO L206 MainTranslator]: Completed translation [2023-09-06 17:51:51,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51 WrapperNode [2023-09-06 17:51:51,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-06 17:51:51,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-06 17:51:51,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-06 17:51:51,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-06 17:51:51,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,524 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 144 [2023-09-06 17:51:51,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-06 17:51:51,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-06 17:51:51,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-06 17:51:51,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-06 17:51:51,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-06 17:51:51,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-06 17:51:51,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-06 17:51:51,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-06 17:51:51,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51" (1/1) ... [2023-09-06 17:51:51,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-06 17:51:51,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 17:51:51,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-06 17:51:51,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-06 17:51:51,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-06 17:51:51,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-06 17:51:51,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-06 17:51:51,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-06 17:51:51,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-06 17:51:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-06 17:51:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-06 17:51:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-06 17:51:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-06 17:51:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-06 17:51:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-06 17:51:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-06 17:51:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-06 17:51:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-06 17:51:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-06 17:51:51,633 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-06 17:51:51,769 INFO L236 CfgBuilder]: Building ICFG [2023-09-06 17:51:51,770 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-06 17:51:52,008 INFO L277 CfgBuilder]: Performing block encoding [2023-09-06 17:51:52,097 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-06 17:51:52,097 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-06 17:51:52,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 05:51:52 BoogieIcfgContainer [2023-09-06 17:51:52,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-06 17:51:52,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-06 17:51:52,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-06 17:51:52,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-06 17:51:52,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.09 05:51:51" (1/3) ... [2023-09-06 17:51:52,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56898ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.09 05:51:52, skipping insertion in model container [2023-09-06 17:51:52,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 05:51:51" (2/3) ... [2023-09-06 17:51:52,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56898ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.09 05:51:52, skipping insertion in model container [2023-09-06 17:51:52,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 05:51:52" (3/3) ... [2023-09-06 17:51:52,108 INFO L112 eAbstractionObserver]: Analyzing ICFG mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-09-06 17:51:52,114 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-06 17:51:52,121 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-06 17:51:52,121 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-09-06 17:51:52,121 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-06 17:51:52,155 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-06 17:51:52,181 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-06 17:51:52,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-06 17:51:52,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 17:51:52,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-06 17:51:52,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-06 17:51:52,229 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-06 17:51:52,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-06 17:51:52,240 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;@483a690f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-06 17:51:52,240 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-09-06 17:51:52,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-06 17:51:52,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 17:51:52,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1950266704, now seen corresponding path program 1 times [2023-09-06 17:51:52,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 17:51:52,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962753632] [2023-09-06 17:51:52,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 17:51:52,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 17:51:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 17:51:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 17:51:52,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 17:51:52,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962753632] [2023-09-06 17:51:52,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962753632] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-06 17:51:52,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-06 17:51:52,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-06 17:51:52,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405715706] [2023-09-06 17:51:52,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-06 17:51:52,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-06 17:51:52,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 17:51:52,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-06 17:51:52,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-06 17:51:52,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 17:51:52,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 17:51:52,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-06 17:51:52,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-06 17:51:53,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-06 17:51:53,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-06 17:51:53,449 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-06 17:51:53,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 17:51:53,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1751639352, now seen corresponding path program 1 times [2023-09-06 17:51:53,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 17:51:53,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574554432] [2023-09-06 17:51:53,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 17:51:53,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 17:51:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 17:51:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 17:51:53,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 17:51:53,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574554432] [2023-09-06 17:51:53,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574554432] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-06 17:51:53,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-06 17:51:53,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-06 17:51:53,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585708160] [2023-09-06 17:51:53,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-06 17:51:53,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-06 17:51:53,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 17:51:53,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-06 17:51:53,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-06 17:51:53,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 17:51:53,800 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 17:51:53,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-06 17:51:53,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-06 17:51:53,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-06 17:51:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-06 17:51:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-06 17:51:56,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-06 17:51:56,154 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-06 17:51:56,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 17:51:56,154 INFO L85 PathProgramCache]: Analyzing trace with hash 33322385, now seen corresponding path program 1 times [2023-09-06 17:51:56,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 17:51:56,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129247818] [2023-09-06 17:51:56,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 17:51:56,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 17:51:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 17:51:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 17:51:56,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 17:51:56,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129247818] [2023-09-06 17:51:56,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129247818] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-06 17:51:56,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-06 17:51:56,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-06 17:51:56,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68828592] [2023-09-06 17:51:56,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-06 17:51:56,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-06 17:51:56,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 17:51:56,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-06 17:51:56,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-06 17:51:56,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 17:51:56,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 17:51:56,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-06 17:51:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-06 17:51:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-06 17:51:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-06 17:52:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-06 17:52:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-06 17:52:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-06 17:52:31,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-06 17:52:31,651 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-06 17:52:31,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 17:52:31,652 INFO L85 PathProgramCache]: Analyzing trace with hash 2017979284, now seen corresponding path program 1 times [2023-09-06 17:52:31,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 17:52:31,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056889193] [2023-09-06 17:52:31,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 17:52:31,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 17:52:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 17:52:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 17:52:32,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 17:52:32,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056889193] [2023-09-06 17:52:32,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056889193] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-06 17:52:32,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-06 17:52:32,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-09-06 17:52:32,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897541407] [2023-09-06 17:52:32,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-06 17:52:32,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-06 17:52:32,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 17:52:32,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-06 17:52:32,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-09-06 17:52:32,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 17:52:32,481 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 17:52:32,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-06 17:52:32,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-06 17:52:32,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-06 17:52:32,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-06 17:52:32,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-06 17:53:45,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-06 17:53:45,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-06 17:53:45,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-06 17:53:45,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-06 17:53:45,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-06 17:53:45,216 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-06 17:53:45,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-06 17:53:45,217 INFO L85 PathProgramCache]: Analyzing trace with hash 892429325, now seen corresponding path program 1 times [2023-09-06 17:53:45,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-06 17:53:45,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966942672] [2023-09-06 17:53:45,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-06 17:53:45,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-06 17:53:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-06 17:53:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-06 17:53:45,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-06 17:53:45,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966942672] [2023-09-06 17:53:45,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966942672] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-06 17:53:45,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-06 17:53:45,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-06 17:53:45,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974795271] [2023-09-06 17:53:45,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-06 17:53:45,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-06 17:53:45,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-06 17:53:45,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-06 17:53:45,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-09-06 17:53:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-06 17:53:45,399 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-06 17:53:45,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-06 17:53:45,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-06 17:53:45,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-06 17:53:45,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-06 17:53:45,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-06 17:53:45,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Received shutdown request... [2023-09-06 17:56:25,755 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-06 17:56:25,755 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-06 17:56:25,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-06 17:56:25,810 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-06 17:56:25,811 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2023-09-06 17:56:25,812 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2023-09-06 17:56:25,812 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2023-09-06 17:56:25,812 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2023-09-06 17:56:25,812 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2023-09-06 17:56:25,812 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2023-09-06 17:56:25,836 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-09-06 17:56:25,839 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-06 17:56:25,839 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-06 17:56:25,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.09 05:56:25 BasicIcfg [2023-09-06 17:56:25,841 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-06 17:56:25,842 INFO L158 Benchmark]: Toolchain (without parser) took 274756.46ms. Allocated memory was 176.2MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 140.0MB in the beginning and 1.1GB in the end (delta: -973.0MB). Peak memory consumption was 1.6GB. Max. memory is 7.0GB. [2023-09-06 17:56:25,842 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-06 17:56:25,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.96ms. Allocated memory is still 176.2MB. Free memory was 139.7MB in the beginning and 116.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 7.0GB. [2023-09-06 17:56:25,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.54ms. Allocated memory is still 176.2MB. Free memory was 116.6MB in the beginning and 113.8MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-06 17:56:25,843 INFO L158 Benchmark]: Boogie Preprocessor took 39.97ms. Allocated memory is still 176.2MB. Free memory was 113.8MB in the beginning and 112.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-06 17:56:25,843 INFO L158 Benchmark]: RCFGBuilder took 534.20ms. Allocated memory was 176.2MB in the beginning and 220.2MB in the end (delta: 44.0MB). Free memory was 112.0MB in the beginning and 176.3MB in the end (delta: -64.3MB). Peak memory consumption was 23.1MB. Max. memory is 7.0GB. [2023-09-06 17:56:25,843 INFO L158 Benchmark]: TraceAbstraction took 273740.56ms. Allocated memory was 220.2MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 175.3MB in the beginning and 1.1GB in the end (delta: -937.7MB). Peak memory consumption was 1.6GB. Max. memory is 7.0GB. [2023-09-06 17:56:25,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 381.96ms. Allocated memory is still 176.2MB. Free memory was 139.7MB in the beginning and 116.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 55.54ms. Allocated memory is still 176.2MB. Free memory was 116.6MB in the beginning and 113.8MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 39.97ms. Allocated memory is still 176.2MB. Free memory was 113.8MB in the beginning and 112.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 534.20ms. Allocated memory was 176.2MB in the beginning and 220.2MB in the end (delta: 44.0MB). Free memory was 112.0MB in the beginning and 176.3MB in the end (delta: -64.3MB). Peak memory consumption was 23.1MB. Max. memory is 7.0GB. * TraceAbstraction took 273740.56ms. Allocated memory was 220.2MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 175.3MB in the beginning and 1.1GB in the end (delta: -937.7MB). Peak memory consumption was 1.6GB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30236, independent: 30015, independent conditional: 30015, independent unconditional: 0, dependent: 218, dependent conditional: 218, dependent unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30197, independent: 30015, independent conditional: 30015, independent unconditional: 0, dependent: 179, dependent conditional: 179, dependent unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30197, independent: 30015, independent conditional: 30015, independent unconditional: 0, dependent: 179, dependent conditional: 179, dependent unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31010, independent: 30015, independent conditional: 0, independent unconditional: 30015, dependent: 981, dependent conditional: 802, dependent unconditional: 179, unknown: 14, unknown conditional: 11, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31010, independent: 30015, independent conditional: 0, independent unconditional: 30015, dependent: 981, dependent conditional: 0, dependent unconditional: 981, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31010, independent: 30015, independent conditional: 0, independent unconditional: 30015, dependent: 981, dependent conditional: 0, dependent unconditional: 981, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30197, independent: 30015, independent conditional: 0, independent unconditional: 30015, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30197, independent: 29669, independent conditional: 0, independent unconditional: 29669, dependent: 528, dependent conditional: 0, dependent unconditional: 528, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 528, independent: 346, independent conditional: 0, independent unconditional: 346, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 528, independent: 346, independent conditional: 0, independent unconditional: 346, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 528, independent: 346, independent conditional: 0, independent unconditional: 346, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9361, independent: 5763, independent conditional: 0, independent unconditional: 5763, dependent: 545, dependent conditional: 0, dependent unconditional: 545, unknown: 3053, unknown conditional: 0, unknown unconditional: 3053] , Protected Queries: 0 ], Cache Queries: [ total: 31010, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 802, dependent conditional: 0, dependent unconditional: 802, unknown: 30208, unknown conditional: 0, unknown unconditional: 30208] , Statistics on independence cache: Total cache size (in pairs): 30194, Positive cache size: 30015, Positive conditional cache size: 0, Positive unconditional cache size: 30015, Negative cache size: 179, Negative conditional cache size: 0, Negative unconditional cache size: 179, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3, Eliminated conditions: 813, Maximal queried relation: 5, Independence queries for same thread: 39 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 1, RedundantProofs: 1, ProvenStates: 196 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 816]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 818]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 814]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 273.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 271.6s, 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: 45, 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, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 371 NumberOfCodeBlocks, 371 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 366 ConstructedInterpolants, 0 QuantifiedInterpolants, 1245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown