/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/elimination_backoff_stack.line12315.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 17:08:55,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 17:08:55,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 17:08:55,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 17:08:55,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 17:08:55,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 17:08:55,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 17:08:55,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 17:08:55,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 17:08:55,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 17:08:55,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 17:08:55,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 17:08:55,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 17:08:55,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 17:08:55,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 17:08:55,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 17:08:55,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 17:08:55,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 17:08:55,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 17:08:55,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 17:08:55,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 17:08:55,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 17:08:55,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 17:08:55,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 17:08:55,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-03 17:08:55,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-03 17:08:55,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-03 17:08:55,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-03 17:08:55,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-03 17:08:55,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-03 17:08:55,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-03 17:08:55,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-03 17:08:55,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-03 17:08:55,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-03 17:08:55,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-03 17:08:55,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-03 17:08:55,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-03 17:08:55,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-03 17:08:55,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 17:08:55,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 17:08:55,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 17:08:55,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 17:08:55,788 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 17:08:55,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 17:08:55,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 17:08:55,788 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 17:08:55,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 17:08:55,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 17:08:55,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 17:08:55,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 17:08:55,789 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 17:08:55,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 17:08:55,790 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 17:08:55,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 17:08:55,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 17:08:55,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 17:08:55,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 17:08:55,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 17:08:55,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 17:08:55,791 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 17:08:55,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 17:08:55,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 17:08:55,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 17:08:55,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 17:08:55,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 17:08:55,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 17:08:55,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 17:08:55,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 17:08:55,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 17:08:55,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 17:08:55,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 17:08:55,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 17:08:55,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 17:08:55,792 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 17:08:55,792 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 17:08:55,793 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 17:08:55,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 17:08:55,793 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 17:08:55,793 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 17:08:55,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 17:08:55,793 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 17:08:55,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 17:08:55,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 17:08:55,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 17:08:55,972 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 17:08:55,973 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 17:08:55,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/elimination_backoff_stack.line12315.bpl [2022-10-03 17:08:55,974 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/elimination_backoff_stack.line12315.bpl' [2022-10-03 17:08:56,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 17:08:56,221 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 17:08:56,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 17:08:56,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 17:08:56,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 17:08:56,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "elimination_backoff_stack.line12315.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 05:08:56" (1/1) ... [2022-10-03 17:08:56,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "elimination_backoff_stack.line12315.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 05:08:56" (1/1) ... [2022-10-03 17:08:56,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "elimination_backoff_stack.line12315.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 05:08:56" (1/1) ... [2022-10-03 17:08:56,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "elimination_backoff_stack.line12315.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 05:08:56" (1/1) ... [2022-10-03 17:08:56,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "elimination_backoff_stack.line12315.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 05:08:56" (1/1) ... [2022-10-03 17:08:56,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "elimination_backoff_stack.line12315.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 05:08:56" (1/1) ... [2022-10-03 17:08:56,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "elimination_backoff_stack.line12315.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 05:08:56" (1/1) ... [2022-10-03 17:08:56,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 17:08:56,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 17:08:56,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 17:08:56,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 17:08:56,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "elimination_backoff_stack.line12315.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 05:08:56" (1/1) ... [2022-10-03 17:08:56,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 17:08:56,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 17:08:56,667 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) [2022-10-03 17:08:56,712 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 [2022-10-03 17:08:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2022-10-03 17:08:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2022-10-03 17:08:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2022-10-03 17:08:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2022-10-03 17:08:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2022-10-03 17:08:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2022-10-03 17:08:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 17:08:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 17:08:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2022-10-03 17:08:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2022-10-03 17:08:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2022-10-03 17:08:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2022-10-03 17:08:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2022-10-03 17:08:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2022-10-03 17:08:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2022-10-03 17:08:56,745 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2022-10-03 17:08:56,749 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-03 17:08:57,148 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 17:08:57,149 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 17:09:01,643 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 17:09:01,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 17:09:01,680 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-03 17:09:01,685 INFO L202 PluginConnector]: Adding new model elimination_backoff_stack.line12315.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 05:09:01 BoogieIcfgContainer [2022-10-03 17:09:01,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 17:09:01,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 17:09:01,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 17:09:01,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 17:09:01,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "elimination_backoff_stack.line12315.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 05:08:56" (1/2) ... [2022-10-03 17:09:01,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5305d5 and model type elimination_backoff_stack.line12315.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 05:09:01, skipping insertion in model container [2022-10-03 17:09:01,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "elimination_backoff_stack.line12315.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 05:09:01" (2/2) ... [2022-10-03 17:09:01,694 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.line12315.bpl [2022-10-03 17:09:01,699 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 17:09:01,706 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 17:09:01,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 17:09:01,706 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 17:09:02,624 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-03 17:09:02,779 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 17:09:02,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 17:09:02,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 17:09:02,797 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) [2022-10-03 17:09:02,798 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 [2022-10-03 17:09:02,842 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 17:09:02,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == instrPop4Err0ASSERT_VIOLATIONASSERT ======== [2022-10-03 17:09:02,867 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;@7331fc7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 17:09:02,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 17:09:02,884 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-03 17:09:02,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location instrPop4Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 17:09:02,890 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 17:09:02,892 INFO L307 ceAbstractionStarter]: Result for error location instrPop4Err0ASSERT_VIOLATIONASSERT was SAFE (1/9) [2022-10-03 17:09:02,961 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 17:09:02,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 17:09:02,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 17:09:02,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-03 17:09:02,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-03 17:09:03,037 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 17:09:03,037 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-03 17:09:03,038 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;@7331fc7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 17:09:03,038 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 17:09:03,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-03 17:09:03,097 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 17:09:03,097 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/9) [2022-10-03 17:09:03,142 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 17:09:03,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 17:09:03,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 17:09:03,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-03 17:09:03,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-03 17:09:03,153 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 17:09:03,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-03 17:09:03,154 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;@7331fc7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 17:09:03,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.