/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/divinefifo_1w1r.line394.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 23:02:18,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 23:02:18,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 23:02:18,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 23:02:18,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 23:02:18,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 23:02:18,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 23:02:18,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 23:02:18,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 23:02:18,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 23:02:18,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 23:02:18,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 23:02:18,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 23:02:18,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 23:02:18,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 23:02:18,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 23:02:18,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 23:02:18,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 23:02:18,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 23:02:18,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 23:02:18,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 23:02:18,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 23:02:18,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 23:02:18,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 23:02:18,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 23:02:18,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 23:02:18,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 23:02:18,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 23:02:18,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 23:02:18,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-29 23:02:18,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 23:02:18,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 23:02:18,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 23:02:18,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 23:02:18,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 23:02:18,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 23:02:18,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 23:02:18,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 23:02:18,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 23:02:18,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 23:02:18,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 23:02:18,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 23:02:18,835 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 23:02:18,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 23:02:18,836 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 23:02:18,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 23:02:18,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 23:02:18,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 23:02:18,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 23:02:18,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 23:02:18,838 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 23:02:18,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 23:02:18,838 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 23:02:18,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 23:02:18,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 23:02:18,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 23:02:18,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 23:02:18,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 23:02:18,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 23:02:18,839 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 23:02:18,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 23:02:18,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 23:02:18,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 23:02:18,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 23:02:18,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 23:02:18,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 23:02:18,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 23:02:18,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 23:02:18,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 23:02:18,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 23:02:18,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 23:02:18,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 23:02:18,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 23:02:18,841 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 23:02:18,841 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 23:02:18,842 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 23:02:18,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 23:02:18,842 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 23:02:18,842 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 23:02:18,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 23:02:18,842 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 23:02:19,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 23:02:19,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 23:02:19,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 23:02:19,141 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 23:02:19,142 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 23:02:19,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line394.bpl [2022-09-29 23:02:19,143 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line394.bpl' [2022-09-29 23:02:19,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 23:02:19,227 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 23:02:19,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 23:02:19,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 23:02:19,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 23:02:19,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:19" (1/1) ... [2022-09-29 23:02:19,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:19" (1/1) ... [2022-09-29 23:02:19,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:19" (1/1) ... [2022-09-29 23:02:19,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:19" (1/1) ... [2022-09-29 23:02:19,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:19" (1/1) ... [2022-09-29 23:02:19,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:19" (1/1) ... [2022-09-29 23:02:19,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:19" (1/1) ... [2022-09-29 23:02:19,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 23:02:19,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 23:02:19,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 23:02:19,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 23:02:19,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:19" (1/1) ... [2022-09-29 23:02:19,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 23:02:19,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:02:19,421 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) [2022-09-29 23:02:19,425 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 [2022-09-29 23:02:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-29 23:02:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-29 23:02:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 23:02:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 23:02:19,452 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 23:02:19,560 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 23:02:19,561 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 23:02:20,635 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 23:02:20,652 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 23:02:20,652 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-29 23:02:20,655 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 11:02:20 BoogieIcfgContainer [2022-09-29 23:02:20,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 23:02:20,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 23:02:20,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 23:02:20,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 23:02:20,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:19" (1/2) ... [2022-09-29 23:02:20,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76081845 and model type divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 11:02:20, skipping insertion in model container [2022-09-29 23:02:20,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 11:02:20" (2/2) ... [2022-09-29 23:02:20,663 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line394.bpl [2022-09-29 23:02:20,669 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 23:02:20,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 23:02:20,677 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 23:02:20,677 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 23:02:20,812 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-29 23:02:20,889 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 23:02:20,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 23:02:20,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:02:20,920 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) [2022-09-29 23:02:20,963 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 [2022-09-29 23:02:21,004 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 23:02:21,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 23:02:21,026 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;@33a933e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 23:02:21,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 23:02:21,029 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-09-29 23:02:21,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 23:02:21,042 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 23:02:21,048 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-09-29 23:02:21,060 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 23:02:21,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 23:02:21,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:02:21,062 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) [2022-09-29 23:02:21,063 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 [2022-09-29 23:02:21,067 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 23:02:21,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-29 23:02:21,068 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;@33a933e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 23:02:21,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 23:02:21,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-29 23:02:21,142 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 23:02:21,145 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-09-29 23:02:21,160 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 23:02:21,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 23:02:21,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:02:21,199 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) [2022-09-29 23:02:21,200 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 [2022-09-29 23:02:21,204 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 23:02:21,204 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 23:02:21,205 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;@33a933e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 23:02:21,205 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 23:02:21,368 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 23:02:21,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 23:02:21,372 INFO L85 PathProgramCache]: Analyzing trace with hash -610766019, now seen corresponding path program 1 times [2022-09-29 23:02:21,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 23:02:21,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833284846] [2022-09-29 23:02:21,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:02:21,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 23:02:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:02:21,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 23:02:21,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 23:02:21,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833284846] [2022-09-29 23:02:21,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833284846] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 23:02:21,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 23:02:21,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 23:02:21,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874231144] [2022-09-29 23:02:21,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 23:02:21,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 23:02:21,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 23:02:21,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 23:02:21,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 23:02:21,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:21,933 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 23:02:21,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 160.5) internal successors, (321), 2 states have internal predecessors, (321), 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) [2022-09-29 23:02:21,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:21,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:21,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 23:02:21,989 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 23:02:21,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 23:02:21,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1712931949, now seen corresponding path program 1 times [2022-09-29 23:02:21,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 23:02:21,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664238440] [2022-09-29 23:02:21,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:02:21,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 23:02:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:02:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 23:02:22,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 23:02:22,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664238440] [2022-09-29 23:02:22,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664238440] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 23:02:22,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 23:02:22,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-09-29 23:02:22,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982318277] [2022-09-29 23:02:22,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 23:02:22,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-29 23:02:22,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 23:02:22,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-29 23:02:22,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-09-29 23:02:22,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:22,389 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 23:02:22,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 26.666666666666668) internal successors, (320), 13 states have internal predecessors, (320), 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) [2022-09-29 23:02:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:24,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:24,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-29 23:02:24,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 23:02:24,535 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 23:02:24,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 23:02:24,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1500327348, now seen corresponding path program 1 times [2022-09-29 23:02:24,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 23:02:24,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078237787] [2022-09-29 23:02:24,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:02:24,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 23:02:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:02:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 321 proven. 96 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-09-29 23:02:28,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 23:02:28,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078237787] [2022-09-29 23:02:28,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078237787] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 23:02:28,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157745370] [2022-09-29 23:02:28,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:02:28,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 23:02:28,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:02:28,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 23:02:28,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-29 23:02:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:02:28,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 2691 conjuncts, 256 conjunts are in the unsatisfiable core [2022-09-29 23:02:28,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 23:02:30,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-09-29 23:02:42,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 23:02:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:02:42,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:02:42,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:02:42,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 23:02:42,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:02:42,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:02:42,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 23:02:42,724 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-09-29 23:02:42,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 167 treesize of output 92 [2022-09-29 23:02:42,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 23:02:42,751 INFO L356 Elim1Store]: treesize reduction 91, result has 11.7 percent of original size [2022-09-29 23:02:42,752 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 88 treesize of output 52 [2022-09-29 23:02:42,944 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 388 proven. 38 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-09-29 23:02:42,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 23:02:50,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 23:02:50,633 INFO L356 Elim1Store]: treesize reduction 57, result has 81.1 percent of original size [2022-09-29 23:02:50,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 20 case distinctions, treesize of input 167 treesize of output 331 [2022-09-29 23:07:33,325 WARN L233 SmtUtils]: Spent 3.08m on a formula simplification. DAG size of input: 938 DAG size of output: 305 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 23:07:59,437 WARN L233 SmtUtils]: Spent 18.01s on a formula simplification. DAG size of input: 143 DAG size of output: 100 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 23:08:09,795 WARN L233 SmtUtils]: Spent 8.73s on a formula simplification that was a NOOP. DAG size: 99 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 23:08:16,638 WARN L233 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 99 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 23:10:31,118 WARN L233 SmtUtils]: Spent 2.21m on a formula simplification. DAG size of input: 4459 DAG size of output: 2345 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-09-29 23:10:31,124 INFO L356 Elim1Store]: treesize reduction 8302, result has 44.4 percent of original size [2022-09-29 23:10:31,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 0 disjoint index pairs (out of 1540 index pairs), introduced 59 new quantified variables, introduced 1540 case distinctions, treesize of input 4086 treesize of output 9576 [2022-09-29 23:10:36,646 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 2811 DAG size of output: 2807 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2022-09-29 23:16:55,025 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 23:16:55,033 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 [2022-09-29 23:16:55,033 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 [2022-09-29 23:16:55,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-09-29 23:16:55,052 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 23:16:55,052 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 23:16:55,053 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 23:16:55,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 23:16:55,244 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1003 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-688-17-4-9-4-8-4-10-4-4-3-3-2-1 context. [2022-09-29 23:16:55,245 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-09-29 23:16:55,246 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was TIMEOUT (3/3) [2022-09-29 23:16:55,248 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 23:16:55,248 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 23:16:55,251 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 11:16:55 BasicIcfg [2022-09-29 23:16:55,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 23:16:55,251 INFO L158 Benchmark]: Toolchain (without parser) took 876024.08ms. Allocated memory was 216.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 166.1MB in the beginning and 793.0MB in the end (delta: -626.9MB). Peak memory consumption was 954.5MB. Max. memory is 8.0GB. [2022-09-29 23:16:55,252 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 216.0MB. Free memory is still 172.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 23:16:55,252 INFO L158 Benchmark]: Boogie Preprocessor took 135.99ms. Allocated memory is still 216.0MB. Free memory was 166.1MB in the beginning and 186.6MB in the end (delta: -20.5MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. [2022-09-29 23:16:55,252 INFO L158 Benchmark]: RCFGBuilder took 1290.05ms. Allocated memory is still 216.0MB. Free memory was 186.5MB in the beginning and 152.9MB in the end (delta: 33.6MB). Peak memory consumption was 48.7MB. Max. memory is 8.0GB. [2022-09-29 23:16:55,252 INFO L158 Benchmark]: TraceAbstraction took 874593.79ms. Allocated memory was 216.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 152.4MB in the beginning and 793.0MB in the end (delta: -640.7MB). Peak memory consumption was 940.5MB. Max. memory is 8.0GB. [2022-09-29 23:16:55,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17ms. Allocated memory is still 216.0MB. Free memory is still 172.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 135.99ms. Allocated memory is still 216.0MB. Free memory was 166.1MB in the beginning and 186.6MB in the end (delta: -20.5MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1290.05ms. Allocated memory is still 216.0MB. Free memory was 186.5MB in the beginning and 152.9MB in the end (delta: 33.6MB). Peak memory consumption was 48.7MB. Max. memory is 8.0GB. * TraceAbstraction took 874593.79ms. Allocated memory was 216.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 152.4MB in the beginning and 793.0MB in the end (delta: -640.7MB). Peak memory consumption was 940.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 97, positive: 91, positive conditional: 91, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13880, positive: 13443, positive conditional: 13443, positive unconditional: 0, negative: 437, negative conditional: 437, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13445, positive: 13443, positive conditional: 0, positive unconditional: 13443, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 13214, positive: 13212, positive conditional: 0, positive unconditional: 13212, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13445, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 13214, unknown conditional: 0, unknown unconditional: 13214] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 91, Positive conditional cache size: 0, Positive unconditional cache size: 91, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 95, positive: 91, positive conditional: 91, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13880, positive: 13443, positive conditional: 13443, positive unconditional: 0, negative: 437, negative conditional: 437, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13445, positive: 13443, positive conditional: 0, positive unconditional: 13443, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 13214, positive: 13212, positive conditional: 0, positive unconditional: 13212, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13445, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 13214, unknown conditional: 0, unknown unconditional: 13214] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 91, Positive conditional cache size: 0, Positive unconditional cache size: 91, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 10, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 13688, positive: 13261, positive conditional: 13261, positive unconditional: 0, negative: 427, negative conditional: 427, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13880, positive: 13443, positive conditional: 13443, positive unconditional: 0, negative: 437, negative conditional: 437, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13445, positive: 13443, positive conditional: 0, positive unconditional: 13443, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 13214, positive: 13212, positive conditional: 0, positive unconditional: 13212, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13445, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 13214, unknown conditional: 0, unknown unconditional: 13214] , Statistics on independence cache: Total cache size (in pairs): 13214, Positive cache size: 13212, Positive conditional cache size: 0, Positive unconditional cache size: 13212, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 435, Statistics for Abstraction: - TimeoutResultAtElement [Line: 394]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1003 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-688-17-4-9-4-8-4-10-4-4-3-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: pusherErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1440 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: pusherErr0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 3 procedures, 1440 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 874.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.4s, 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: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 641 NumberOfCodeBlocks, 641 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 639 ConstructedInterpolants, 0 QuantifiedInterpolants, 975 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 3 procedures, 1440 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, 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