/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.line381.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 23:02:16,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 23:02:16,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 23:02:16,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 23:02:16,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 23:02:16,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 23:02:16,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 23:02:16,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 23:02:16,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 23:02:16,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 23:02:16,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 23:02:16,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 23:02:16,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 23:02:16,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 23:02:16,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 23:02:16,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 23:02:16,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 23:02:16,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 23:02:16,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 23:02:16,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 23:02:16,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 23:02:16,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 23:02:16,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 23:02:16,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 23:02:16,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 23:02:16,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 23:02:16,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 23:02:16,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 23:02:16,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 23:02:16,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-29 23:02:16,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 23:02:16,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 23:02:16,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 23:02:16,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 23:02:16,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 23:02:16,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 23:02:16,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 23:02:16,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 23:02:16,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 23:02:16,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 23:02:16,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 23:02:16,114 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 23:02:16,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 23:02:16,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 23:02:16,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 23:02:16,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 23:02:16,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 23:02:16,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 23:02:16,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 23:02:16,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 23:02:16,147 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 23:02:16,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 23:02:16,148 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 23:02:16,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 23:02:16,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 23:02:16,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 23:02:16,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 23:02:16,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 23:02:16,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 23:02:16,148 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 23:02:16,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 23:02:16,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 23:02:16,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 23:02:16,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 23:02:16,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 23:02:16,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 23:02:16,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 23:02:16,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 23:02:16,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 23:02:16,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 23:02:16,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 23:02:16,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 23:02:16,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 23:02:16,150 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 23:02:16,150 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 23:02:16,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 23:02:16,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 23:02:16,151 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 23:02:16,151 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 23:02:16,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 23:02:16,151 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 23:02:16,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 23:02:16,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 23:02:16,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 23:02:16,403 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 23:02:16,404 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 23:02:16,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line381.bpl [2022-09-29 23:02:16,406 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line381.bpl' [2022-09-29 23:02:16,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 23:02:16,493 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 23:02:16,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 23:02:16,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 23:02:16,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 23:02:16,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:16" (1/1) ... [2022-09-29 23:02:16,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:16" (1/1) ... [2022-09-29 23:02:16,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:16" (1/1) ... [2022-09-29 23:02:16,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:16" (1/1) ... [2022-09-29 23:02:16,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:16" (1/1) ... [2022-09-29 23:02:16,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:16" (1/1) ... [2022-09-29 23:02:16,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:16" (1/1) ... [2022-09-29 23:02:16,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 23:02:16,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 23:02:16,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 23:02:16,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 23:02:16,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:16" (1/1) ... [2022-09-29 23:02:16,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 23:02:16,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:02:16,709 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 23:02:16,722 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 23:02:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-29 23:02:16,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-29 23:02:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 23:02:16,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 23:02:16,757 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 23:02:16,956 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 23:02:16,958 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 23:02:18,165 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 23:02:18,197 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 23:02:18,198 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-29 23:02:18,202 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 11:02:18 BoogieIcfgContainer [2022-09-29 23:02:18,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 23:02:18,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 23:02:18,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 23:02:18,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 23:02:18,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:02:16" (1/2) ... [2022-09-29 23:02:18,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbd9969 and model type divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 11:02:18, skipping insertion in model container [2022-09-29 23:02:18,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 11:02:18" (2/2) ... [2022-09-29 23:02:18,212 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line381.bpl [2022-09-29 23:02:18,221 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 23:02:18,233 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 23:02:18,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 23:02:18,234 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 23:02:18,358 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-29 23:02:18,431 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 23:02:18,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 23:02:18,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:02:18,437 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 23:02:18,442 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 23:02:18,472 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 23:02:18,480 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 23:02:18,486 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;@1f17fea0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 23:02:18,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 23:02:18,489 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-09-29 23:02:18,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 23:02:18,497 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 23:02:18,507 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-09-29 23:02:18,548 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 23:02:18,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 23:02:18,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:02:18,550 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 23:02:18,552 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 23:02:18,557 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 23:02:18,557 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-29 23:02:18,558 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;@1f17fea0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 23:02:18,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 23:02:18,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-29 23:02:18,629 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 23:02:18,630 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-09-29 23:02:18,646 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 23:02:18,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 23:02:18,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:02:18,685 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 23:02:18,688 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 23:02:18,694 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 23:02:18,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 23:02:18,696 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;@1f17fea0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 23:02:18,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 23:02:24,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 23:02:24,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 23:02:24,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1051932897, now seen corresponding path program 1 times [2022-09-29 23:02:24,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 23:02:24,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768412718] [2022-09-29 23:02:24,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:02:24,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 23:02:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:02:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 14876 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14876 trivial. 0 not checked. [2022-09-29 23:02:26,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 23:02:26,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768412718] [2022-09-29 23:02:26,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768412718] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 23:02:26,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 23:02:26,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 23:02:26,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175114034] [2022-09-29 23:02:26,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 23:02:26,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 23:02:26,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 23:02:26,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 23:02:26,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 23:02:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:26,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 23:02:26,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 450.5) internal successors, (901), 2 states have internal predecessors, (901), 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 23:02:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:29,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:29,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 23:02:29,415 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 23:02:29,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 23:02:29,417 INFO L85 PathProgramCache]: Analyzing trace with hash -490819211, now seen corresponding path program 1 times [2022-09-29 23:02:29,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 23:02:29,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840406917] [2022-09-29 23:02:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:02:29,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 23:02:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:02:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 14876 backedges. 12834 proven. 2042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 23:02:34,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 23:02:34,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840406917] [2022-09-29 23:02:34,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840406917] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 23:02:34,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760530319] [2022-09-29 23:02:34,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:02:34,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 23:02:34,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:02:34,399 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 23:02:34,454 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 23:02:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:02:36,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 8624 conjuncts, 9 conjunts are in the unsatisfiable core [2022-09-29 23:02:36,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 23:02:38,140 INFO L134 CoverageAnalysis]: Checked inductivity of 14876 backedges. 11341 proven. 0 refuted. 0 times theorem prover too weak. 3535 trivial. 0 not checked. [2022-09-29 23:02:38,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 23:02:38,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760530319] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 23:02:38,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 23:02:38,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [17] total 18 [2022-09-29 23:02:38,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975337238] [2022-09-29 23:02:38,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 23:02:38,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-29 23:02:38,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 23:02:38,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-29 23:02:38,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=167, Unknown=0, NotChecked=0, Total=306 [2022-09-29 23:02:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:38,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 23:02:38,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 212.2) internal successors, (2122), 10 states have internal predecessors, (2122), 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 23:02:38,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:38,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:42,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-29 23:02:42,273 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 23:02:42,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 23:02:42,456 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 23:02:42,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 23:02:42,457 INFO L85 PathProgramCache]: Analyzing trace with hash -757620014, now seen corresponding path program 1 times [2022-09-29 23:02:42,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 23:02:42,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353832353] [2022-09-29 23:02:42,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:02:42,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 23:02:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:02:43,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 793 proven. 174 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-09-29 23:02:43,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 23:02:43,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353832353] [2022-09-29 23:02:43,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353832353] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 23:02:43,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723254783] [2022-09-29 23:02:43,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:02:43,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 23:02:43,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:02:43,716 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 23:02:43,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-29 23:02:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:02:44,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 3462 conjuncts, 38 conjunts are in the unsatisfiable core [2022-09-29 23:02:44,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 23:02:46,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 793 proven. 174 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-09-29 23:02:46,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 23:02:46,952 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 23:02:46,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2022-09-29 23:02:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 793 proven. 174 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-09-29 23:02:48,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723254783] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 23:02:48,656 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 23:02:48,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 39 [2022-09-29 23:02:48,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365140883] [2022-09-29 23:02:48,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 23:02:48,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-09-29 23:02:48,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 23:02:48,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-09-29 23:02:48,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1411, Unknown=0, NotChecked=0, Total=1560 [2022-09-29 23:02:48,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:48,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 23:02:48,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 41.94871794871795) internal successors, (1636), 40 states have internal predecessors, (1636), 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 23:02:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:02:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-09-29 23:02:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:03:41,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:03:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-29 23:03:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-09-29 23:03:41,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 23:03:41,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-09-29 23:03:41,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 23:03:41,292 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-09-29 23:03:41,292 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was SAFE (3/3) [2022-09-29 23:03:41,295 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 23:03:41,295 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 23:03:41,298 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 11:03:41 BasicIcfg [2022-09-29 23:03:41,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 23:03:41,299 INFO L158 Benchmark]: Toolchain (without parser) took 84805.50ms. Allocated memory was 170.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 124.5MB in the beginning and 7.1GB in the end (delta: -6.9GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-09-29 23:03:41,299 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 170.9MB. Free memory was 130.6MB in the beginning and 130.5MB in the end (delta: 67.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 23:03:41,300 INFO L158 Benchmark]: Boogie Preprocessor took 154.24ms. Allocated memory is still 170.9MB. Free memory was 124.5MB in the beginning and 118.1MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-09-29 23:03:41,300 INFO L158 Benchmark]: RCFGBuilder took 1538.79ms. Allocated memory is still 170.9MB. Free memory was 118.0MB in the beginning and 124.6MB in the end (delta: -6.6MB). Peak memory consumption was 31.6MB. Max. memory is 8.0GB. [2022-09-29 23:03:41,300 INFO L158 Benchmark]: TraceAbstraction took 83094.15ms. Allocated memory was 170.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 123.6MB in the beginning and 7.1GB in the end (delta: -6.9GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-09-29 23:03:41,301 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 170.9MB. Free memory was 130.6MB in the beginning and 130.5MB in the end (delta: 67.7kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 154.24ms. Allocated memory is still 170.9MB. Free memory was 124.5MB in the beginning and 118.1MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1538.79ms. Allocated memory is still 170.9MB. Free memory was 118.0MB in the beginning and 124.6MB in the end (delta: -6.6MB). Peak memory consumption was 31.6MB. Max. memory is 8.0GB. * TraceAbstraction took 83094.15ms. Allocated memory was 170.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 123.6MB in the beginning and 7.1GB in the end (delta: -6.9GB). Peak memory consumption was 1.6GB. 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: 78718, positive: 76264, positive conditional: 76264, positive unconditional: 0, negative: 2454, negative conditional: 2454, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1773470, positive: 1717779, positive conditional: 1717779, positive unconditional: 0, negative: 55691, negative conditional: 55691, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1724881, positive: 1717779, positive conditional: 0, positive unconditional: 1717779, negative: 7102, negative conditional: 0, negative unconditional: 7102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 151315, positive: 150535, positive conditional: 0, positive unconditional: 150535, negative: 780, negative conditional: 0, negative unconditional: 780, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1724881, positive: 1567244, positive conditional: 0, positive unconditional: 1567244, negative: 6322, negative conditional: 0, negative unconditional: 6322, unknown: 151315, unknown conditional: 0, unknown unconditional: 151315] , Statistics on independence cache: Total cache size (in pairs): 74851, Positive cache size: 74779, Positive conditional cache size: 0, Positive unconditional cache size: 74779, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Independence queries for same thread: 2382, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 78765, positive: 76314, positive conditional: 76314, positive unconditional: 0, negative: 2451, negative conditional: 2451, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1773470, positive: 1717779, positive conditional: 1717779, positive unconditional: 0, negative: 55691, negative conditional: 55691, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1724881, positive: 1717779, positive conditional: 0, positive unconditional: 1717779, negative: 7102, negative conditional: 0, negative unconditional: 7102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 151315, positive: 150535, positive conditional: 0, positive unconditional: 150535, negative: 780, negative conditional: 0, negative unconditional: 780, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1724881, positive: 1567244, positive conditional: 0, positive unconditional: 1567244, negative: 6322, negative conditional: 0, negative unconditional: 6322, unknown: 151315, unknown conditional: 0, unknown unconditional: 151315] , Statistics on independence cache: Total cache size (in pairs): 74925, Positive cache size: 74853, Positive conditional cache size: 0, Positive unconditional cache size: 74853, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Independence queries for same thread: 4761, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 115359, positive: 111669, positive conditional: 111669, positive unconditional: 0, negative: 3690, negative conditional: 3690, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1773470, positive: 1717779, positive conditional: 1717779, positive unconditional: 0, negative: 55691, negative conditional: 55691, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1724881, positive: 1717779, positive conditional: 0, positive unconditional: 1717779, negative: 7102, negative conditional: 0, negative unconditional: 7102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 151315, positive: 150535, positive conditional: 0, positive unconditional: 150535, negative: 780, negative conditional: 0, negative unconditional: 780, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1724881, positive: 1567244, positive conditional: 0, positive unconditional: 1567244, negative: 6322, negative conditional: 0, negative unconditional: 6322, unknown: 151315, unknown conditional: 0, unknown unconditional: 151315] , Statistics on independence cache: Total cache size (in pairs): 92161, Positive cache size: 91556, Positive conditional cache size: 0, Positive unconditional cache size: 91556, Negative cache size: 605, Negative conditional cache size: 0, Negative unconditional cache size: 605, Independence queries for same thread: 7778, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1500628, positive: 1453532, positive conditional: 1453532, positive unconditional: 0, negative: 47096, negative conditional: 47096, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1773470, positive: 1717779, positive conditional: 1717779, positive unconditional: 0, negative: 55691, negative conditional: 55691, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1724881, positive: 1717779, positive conditional: 0, positive unconditional: 1717779, negative: 7102, negative conditional: 0, negative unconditional: 7102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 151315, positive: 150535, positive conditional: 0, positive unconditional: 150535, negative: 780, negative conditional: 0, negative unconditional: 780, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1724881, positive: 1567244, positive conditional: 0, positive unconditional: 1567244, negative: 6322, negative conditional: 0, negative unconditional: 6322, unknown: 151315, unknown conditional: 0, unknown unconditional: 151315] , Statistics on independence cache: Total cache size (in pairs): 151315, Positive cache size: 150535, Positive conditional cache size: 0, Positive unconditional cache size: 150535, Negative cache size: 780, Negative conditional cache size: 0, Negative unconditional cache size: 780, Independence queries for same thread: 48589, Statistics for Abstraction: - PositiveResult [Line: 381]: assertion always holds For all program executions holds that assertion always holds at this location - 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: 82.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 64.9s, 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: 30, 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: 0.8s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 11676 NumberOfCodeBlocks, 11676 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 12890 ConstructedInterpolants, 0 QuantifiedInterpolants, 35609 SizeOfPredicates, 22 NumberOfNonLiveVariables, 12086 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 49750/52314 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-29 23:03:41,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-09-29 23:03:41,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-09-29 23:03:41,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-09-29 23:03:41,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...