/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/weaver/popl20-bad-dot-product-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-9d61ce8-m [2023-09-06 19:24:26,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-06 19:24:26,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-06 19:24:26,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-06 19:24:26,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-06 19:24:26,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-06 19:24:26,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-06 19:24:26,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-06 19:24:26,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-06 19:24:26,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-06 19:24:26,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-06 19:24:26,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-06 19:24:26,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-06 19:24:26,568 INFO L153 SettingsManager]: * Use SBE=true [2023-09-06 19:24:26,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-06 19:24:26,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-06 19:24:26,568 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-06 19:24:26,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-06 19:24:26,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-06 19:24:26,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-06 19:24:26,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-06 19:24:26,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-06 19:24:26,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-06 19:24:26,570 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-06 19:24:26,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-06 19:24:26,570 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-06 19:24:26,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-06 19:24:26,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-06 19:24:26,571 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-06 19:24:26,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-06 19:24:26,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-06 19:24:26,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-06 19:24:26,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-06 19:24:26,572 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-06 19:24:26,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-06 19:24:26,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-06 19:24:26,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-06 19:24:26,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-06 19:24:26,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-06 19:24:26,573 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-06 19:24:26,573 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-06 19:24:26,580 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-06 19:24:26,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-06 19:24:26,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-06 19:24:26,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-06 19:24:26,766 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-06 19:24:26,766 INFO L274 PluginConnector]: CDTParser initialized [2023-09-06 19:24:26,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c [2023-09-06 19:24:27,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-06 19:24:27,928 INFO L384 CDTParser]: Found 1 translation units. [2023-09-06 19:24:27,928 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c [2023-09-06 19:24:27,934 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/659852747/6ebbaaede43545babeeff211cfa0f378/FLAG526c60688 [2023-09-06 19:24:27,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/659852747/6ebbaaede43545babeeff211cfa0f378 [2023-09-06 19:24:27,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-06 19:24:27,949 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-06 19:24:27,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-06 19:24:27,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-06 19:24:27,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-06 19:24:27,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 07:24:27" (1/1) ... [2023-09-06 19:24:27,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8d5afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:27, skipping insertion in model container [2023-09-06 19:24:27,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 07:24:27" (1/1) ... [2023-09-06 19:24:27,974 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-06 19:24:28,077 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c[3182,3195] [2023-09-06 19:24:28,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-06 19:24:28,089 INFO L202 MainTranslator]: Completed pre-run [2023-09-06 19:24:28,110 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c[3182,3195] [2023-09-06 19:24:28,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-06 19:24:28,122 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-06 19:24:28,122 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-06 19:24:28,127 INFO L206 MainTranslator]: Completed translation [2023-09-06 19:24:28,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28 WrapperNode [2023-09-06 19:24:28,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-06 19:24:28,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-06 19:24:28,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-06 19:24:28,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-06 19:24:28,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28" (1/1) ... [2023-09-06 19:24:28,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28" (1/1) ... [2023-09-06 19:24:28,161 INFO L138 Inliner]: procedures = 28, calls = 74, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 376 [2023-09-06 19:24:28,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-06 19:24:28,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-06 19:24:28,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-06 19:24:28,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-06 19:24:28,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28" (1/1) ... [2023-09-06 19:24:28,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28" (1/1) ... [2023-09-06 19:24:28,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28" (1/1) ... [2023-09-06 19:24:28,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28" (1/1) ... [2023-09-06 19:24:28,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28" (1/1) ... [2023-09-06 19:24:28,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28" (1/1) ... [2023-09-06 19:24:28,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28" (1/1) ... [2023-09-06 19:24:28,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28" (1/1) ... [2023-09-06 19:24:28,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-06 19:24:28,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-06 19:24:28,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-06 19:24:28,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-06 19:24:28,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28" (1/1) ... [2023-09-06 19:24:28,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-06 19:24:28,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 19:24:28,241 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 19:24:28,246 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 19:24:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-06 19:24:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-09-06 19:24:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-06 19:24:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-06 19:24:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-06 19:24:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-09-06 19:24:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-06 19:24:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-06 19:24:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-06 19:24:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-06 19:24:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-06 19:24:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-06 19:24:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-06 19:24:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-06 19:24:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-06 19:24:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-06 19:24:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-06 19:24:28,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-06 19:24:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-06 19:24:28,266 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 19:24:28,345 INFO L236 CfgBuilder]: Building ICFG [2023-09-06 19:24:28,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-06 19:24:28,770 INFO L277 CfgBuilder]: Performing block encoding [2023-09-06 19:24:28,862 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-06 19:24:28,863 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-09-06 19:24:28,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 07:24:28 BoogieIcfgContainer [2023-09-06 19:24:28,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-06 19:24:28,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-06 19:24:28,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-06 19:24:28,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-06 19:24:28,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.09 07:24:27" (1/3) ... [2023-09-06 19:24:28,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aacde74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.09 07:24:28, skipping insertion in model container [2023-09-06 19:24:28,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 07:24:28" (2/3) ... [2023-09-06 19:24:28,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aacde74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.09 07:24:28, skipping insertion in model container [2023-09-06 19:24:28,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 07:24:28" (3/3) ... [2023-09-06 19:24:28,869 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c [2023-09-06 19:24:28,874 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-06 19:24:28,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-06 19:24:28,880 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-06 19:24:28,880 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-06 19:24:28,950 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-09-06 19:24:28,993 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-06 19:24:28,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-06 19:24:28,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-06 19:24:29,012 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 19:24:29,033 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 19:24:29,052 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-06 19:24:29,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-06 19:24:29,066 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;@1bcb9af3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-06 19:24:29,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. Found a loop, use abstraction hammer Received shutdown request... [2023-09-06 19:29:17,138 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 19:29:17,144 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 19:29:17,685 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-06 19:29:17,686 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-09-06 19:29:17,689 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-09-06 19:29:17,690 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-09-06 19:29:17,690 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-09-06 19:29:17,715 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-09-06 19:29:17,724 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-06 19:29:17,724 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-06 19:29:17,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.09 07:29:17 BasicIcfg [2023-09-06 19:29:17,727 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-06 19:29:17,729 INFO L158 Benchmark]: Toolchain (without parser) took 289778.47ms. Allocated memory was 257.9MB in the beginning and 447.7MB in the end (delta: 189.8MB). Free memory was 203.9MB in the beginning and 121.4MB in the end (delta: 82.4MB). Peak memory consumption was 276.4MB. Max. memory is 7.0GB. [2023-09-06 19:29:17,733 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 160.1MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-06 19:29:17,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.14ms. Allocated memory is still 257.9MB. Free memory was 203.9MB in the beginning and 190.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. [2023-09-06 19:29:17,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.10ms. Allocated memory is still 257.9MB. Free memory was 190.8MB in the beginning and 187.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-06 19:29:17,735 INFO L158 Benchmark]: Boogie Preprocessor took 48.92ms. Allocated memory is still 257.9MB. Free memory was 187.6MB in the beginning and 185.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-06 19:29:17,735 INFO L158 Benchmark]: RCFGBuilder took 653.18ms. Allocated memory is still 257.9MB. Free memory was 185.5MB in the beginning and 213.8MB in the end (delta: -28.3MB). Peak memory consumption was 55.1MB. Max. memory is 7.0GB. [2023-09-06 19:29:17,737 INFO L158 Benchmark]: TraceAbstraction took 288861.11ms. Allocated memory was 257.9MB in the beginning and 447.7MB in the end (delta: 189.8MB). Free memory was 213.3MB in the beginning and 121.4MB in the end (delta: 91.8MB). Peak memory consumption was 285.3MB. Max. memory is 7.0GB. [2023-09-06 19:29:17,741 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 160.1MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 179.14ms. Allocated memory is still 257.9MB. Free memory was 203.9MB in the beginning and 190.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 32.10ms. Allocated memory is still 257.9MB. Free memory was 190.8MB in the beginning and 187.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 48.92ms. Allocated memory is still 257.9MB. Free memory was 187.6MB in the beginning and 185.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 653.18ms. Allocated memory is still 257.9MB. Free memory was 185.5MB in the beginning and 213.8MB in the end (delta: -28.3MB). Peak memory consumption was 55.1MB. Max. memory is 7.0GB. * TraceAbstraction took 288861.11ms. Allocated memory was 257.9MB in the beginning and 447.7MB in the end (delta: 189.8MB). Free memory was 213.3MB in the beginning and 121.4MB in the end (delta: 91.8MB). Peak memory consumption was 285.3MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19877, independent: 19581, independent conditional: 19581, independent unconditional: 0, dependent: 296, dependent conditional: 296, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19588, independent: 19581, independent conditional: 19581, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19588, independent: 19581, independent conditional: 19581, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19588, independent: 19581, independent conditional: 0, independent unconditional: 19581, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19588, independent: 19581, independent conditional: 0, independent unconditional: 19581, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19588, independent: 19581, independent conditional: 0, independent unconditional: 19581, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19588, independent: 19581, independent conditional: 0, independent unconditional: 19581, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19588, independent: 19581, independent conditional: 0, independent unconditional: 19581, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19588, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 19588, unknown conditional: 0, unknown unconditional: 19588] , Statistics on independence cache: Total cache size (in pairs): 19588, Positive cache size: 19581, Positive conditional cache size: 0, Positive unconditional cache size: 19581, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, 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: 289 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 103]: 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: 102]: 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: 104]: 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, 411 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 288.7s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 288.6s, 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: 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown