/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_75-tricky_address2_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 05:02:59,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 05:02:59,139 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 05:02:59,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 05:02:59,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 05:02:59,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 05:02:59,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 05:02:59,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 05:02:59,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 05:02:59,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 05:02:59,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 05:02:59,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 05:02:59,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 05:02:59,179 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 05:02:59,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 05:02:59,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 05:02:59,180 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 05:02:59,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 05:02:59,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 05:02:59,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 05:02:59,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 05:02:59,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 05:02:59,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 05:02:59,189 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 05:02:59,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 05:02:59,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 05:02:59,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 05:02:59,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 05:02:59,190 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 05:02:59,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 05:02:59,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 05:02:59,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 05:02:59,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 05:02:59,191 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 05:02:59,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 05:02:59,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 05:02:59,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 05:02:59,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 05:02:59,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 05:02:59,192 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 05:02:59,192 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 05:02:59,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-09-07 05:02:59,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 05:02:59,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 05:02:59,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 05:02:59,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 05:02:59,413 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 05:02:59,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_75-tricky_address2_racefree.i [2023-09-07 05:03:00,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 05:03:00,866 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 05:03:00,866 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_75-tricky_address2_racefree.i [2023-09-07 05:03:00,893 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46d5fd4fe/59befce8a01e42fdbf8c5269a55baaec/FLAGde03e2469 [2023-09-07 05:03:00,905 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46d5fd4fe/59befce8a01e42fdbf8c5269a55baaec [2023-09-07 05:03:00,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 05:03:00,908 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 05:03:00,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 05:03:00,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 05:03:00,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 05:03:00,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 05:03:00" (1/1) ... [2023-09-07 05:03:00,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68119c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:00, skipping insertion in model container [2023-09-07 05:03:00,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 05:03:00" (1/1) ... [2023-09-07 05:03:00,969 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 05:03:01,373 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_75-tricky_address2_racefree.i[41323,41336] [2023-09-07 05:03:01,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 05:03:01,431 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 05:03:01,456 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-09-07 05:03:01,458 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-09-07 05:03:01,467 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [736] [2023-09-07 05:03:01,474 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_75-tricky_address2_racefree.i[41323,41336] [2023-09-07 05:03:01,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 05:03:01,544 INFO L206 MainTranslator]: Completed translation [2023-09-07 05:03:01,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01 WrapperNode [2023-09-07 05:03:01,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 05:03:01,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 05:03:01,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 05:03:01,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 05:03:01,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01" (1/1) ... [2023-09-07 05:03:01,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01" (1/1) ... [2023-09-07 05:03:01,614 INFO L138 Inliner]: procedures = 270, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 193 [2023-09-07 05:03:01,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 05:03:01,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 05:03:01,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 05:03:01,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 05:03:01,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01" (1/1) ... [2023-09-07 05:03:01,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01" (1/1) ... [2023-09-07 05:03:01,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01" (1/1) ... [2023-09-07 05:03:01,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01" (1/1) ... [2023-09-07 05:03:01,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01" (1/1) ... [2023-09-07 05:03:01,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01" (1/1) ... [2023-09-07 05:03:01,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01" (1/1) ... [2023-09-07 05:03:01,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01" (1/1) ... [2023-09-07 05:03:01,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 05:03:01,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 05:03:01,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 05:03:01,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 05:03:01,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01" (1/1) ... [2023-09-07 05:03:01,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 05:03:01,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 05:03:01,681 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) [2023-09-07 05:03:01,696 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 [2023-09-07 05:03:01,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 05:03:01,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 05:03:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 05:03:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 05:03:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-07 05:03:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 05:03:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-09-07 05:03:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-09-07 05:03:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 05:03:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 05:03:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 05:03:01,718 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 05:03:01,821 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 05:03:01,822 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 05:03:02,125 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 05:03:02,137 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 05:03:02,137 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2023-09-07 05:03:02,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 05:03:02 BoogieIcfgContainer [2023-09-07 05:03:02,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 05:03:02,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 05:03:02,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 05:03:02,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 05:03:02,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 05:03:00" (1/3) ... [2023-09-07 05:03:02,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d4ac58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 05:03:02, skipping insertion in model container [2023-09-07 05:03:02,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:03:01" (2/3) ... [2023-09-07 05:03:02,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d4ac58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 05:03:02, skipping insertion in model container [2023-09-07 05:03:02,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 05:03:02" (3/3) ... [2023-09-07 05:03:02,149 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_75-tricky_address2_racefree.i [2023-09-07 05:03:02,156 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 05:03:02,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 05:03:02,164 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-09-07 05:03:02,165 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 05:03:02,225 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-09-07 05:03:02,282 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 05:03:02,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 05:03:02,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 05:03:02,289 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) [2023-09-07 05:03:02,292 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 [2023-09-07 05:03:02,336 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 05:03:02,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 05:03:02,347 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;@106c4804, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 05:03:02,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. 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 [2023-09-07 05:03:06,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 05:03:06,607 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 05:03:06,607 INFO L85 PathProgramCache]: Analyzing trace with hash -883348782, now seen corresponding path program 1 times [2023-09-07 05:03:06,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 05:03:06,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502984074] [2023-09-07 05:03:06,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 05:03:06,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 05:03:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 05:03:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-09-07 05:03:07,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 05:03:07,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502984074] [2023-09-07 05:03:07,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502984074] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 05:03:07,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504607664] [2023-09-07 05:03:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 05:03:07,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 05:03:07,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 05:03:07,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 05:03:07,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-07 05:03:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 05:03:07,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 1 conjunts are in the unsatisfiable core [2023-09-07 05:03:07,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 05:03:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-09-07 05:03:07,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-09-07 05:03:07,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504607664] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 05:03:07,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-09-07 05:03:07,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2023-09-07 05:03:07,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91546261] [2023-09-07 05:03:07,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 05:03:07,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 05:03:07,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 05:03:07,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 05:03:07,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-09-07 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:03:07,513 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 05:03:07,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.0) internal successors, (120), 2 states have internal predecessors, (120), 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) [2023-09-07 05:03:07,515 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 Received shutdown request... [2023-09-07 05:17:43,425 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 [2023-09-07 05:17:43,425 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 05:17:43,425 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 [2023-09-07 05:17:43,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-09-07 05:17:43,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-09-07 05:17:43,834 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-07 05:17:43,836 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-09-07 05:17:43,853 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-07 05:17:43,854 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2023-09-07 05:17:43,856 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 05:17:43,856 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 05:17:43,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 05:17:43 BasicIcfg [2023-09-07 05:17:43,859 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 05:17:43,859 INFO L158 Benchmark]: Toolchain (without parser) took 882950.76ms. Allocated memory was 217.1MB in the beginning and 261.1MB in the end (delta: 44.0MB). Free memory was 166.8MB in the beginning and 72.7MB in the end (delta: 94.1MB). Peak memory consumption was 179.6MB. Max. memory is 7.0GB. [2023-09-07 05:17:43,859 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 160.4MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 05:17:43,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.29ms. Allocated memory is still 217.1MB. Free memory was 166.4MB in the beginning and 137.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 7.0GB. [2023-09-07 05:17:43,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.44ms. Allocated memory is still 217.1MB. Free memory was 136.6MB in the beginning and 133.9MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-07 05:17:43,861 INFO L158 Benchmark]: Boogie Preprocessor took 33.81ms. Allocated memory is still 217.1MB. Free memory was 133.9MB in the beginning and 132.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-07 05:17:43,861 INFO L158 Benchmark]: RCFGBuilder took 489.15ms. Allocated memory is still 217.1MB. Free memory was 131.8MB in the beginning and 175.0MB in the end (delta: -43.2MB). Peak memory consumption was 15.9MB. Max. memory is 7.0GB. [2023-09-07 05:17:43,862 INFO L158 Benchmark]: TraceAbstraction took 881717.86ms. Allocated memory was 217.1MB in the beginning and 261.1MB in the end (delta: 44.0MB). Free memory was 174.0MB in the beginning and 72.7MB in the end (delta: 101.3MB). Peak memory consumption was 185.7MB. Max. memory is 7.0GB. [2023-09-07 05:17:43,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 160.4MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 637.29ms. Allocated memory is still 217.1MB. Free memory was 166.4MB in the beginning and 137.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 67.44ms. Allocated memory is still 217.1MB. Free memory was 136.6MB in the beginning and 133.9MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 33.81ms. Allocated memory is still 217.1MB. Free memory was 133.9MB in the beginning and 132.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 489.15ms. Allocated memory is still 217.1MB. Free memory was 131.8MB in the beginning and 175.0MB in the end (delta: -43.2MB). Peak memory consumption was 15.9MB. Max. memory is 7.0GB. * TraceAbstraction took 881717.86ms. Allocated memory was 217.1MB in the beginning and 261.1MB in the end (delta: 44.0MB). Free memory was 174.0MB in the beginning and 72.7MB in the end (delta: 101.3MB). Peak memory consumption was 185.7MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 736]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [736] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19363, independent: 18371, independent conditional: 18371, independent unconditional: 0, dependent: 992, dependent conditional: 992, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18539, independent: 18371, independent conditional: 18371, independent unconditional: 0, dependent: 168, dependent conditional: 168, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18539, independent: 18371, independent conditional: 18371, independent unconditional: 0, dependent: 168, dependent conditional: 168, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18692, independent: 18371, independent conditional: 0, independent unconditional: 18371, dependent: 321, dependent conditional: 153, dependent unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18692, independent: 18371, independent conditional: 0, independent unconditional: 18371, dependent: 321, dependent conditional: 0, dependent unconditional: 321, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18692, independent: 18371, independent conditional: 0, independent unconditional: 18371, dependent: 321, dependent conditional: 0, dependent unconditional: 321, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18539, independent: 18371, independent conditional: 0, independent unconditional: 18371, dependent: 168, dependent conditional: 0, dependent unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18539, independent: 18122, independent conditional: 0, independent unconditional: 18122, dependent: 417, dependent conditional: 0, dependent unconditional: 417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 417, independent: 249, independent conditional: 0, independent unconditional: 249, dependent: 168, dependent conditional: 0, dependent unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 417, independent: 249, independent conditional: 0, independent unconditional: 249, dependent: 168, dependent conditional: 0, dependent unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 417, independent: 249, independent conditional: 0, independent unconditional: 249, dependent: 168, dependent conditional: 0, dependent unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 616, independent: 283, independent conditional: 0, independent unconditional: 283, dependent: 333, dependent conditional: 0, dependent unconditional: 333, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18692, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 18539, unknown conditional: 0, unknown unconditional: 18539] , Statistics on independence cache: Total cache size (in pairs): 18539, Positive cache size: 18371, Positive conditional cache size: 0, Positive unconditional cache size: 18371, Negative cache size: 168, Negative conditional cache size: 0, Negative unconditional cache size: 168, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 153, Maximal queried relation: 1, Independence queries for same thread: 824 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 4036 - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 3 procedures, 219 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 881.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 880.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 396 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 323/324 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