/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-bug_1w1r.line380.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 22:13:26,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 22:13:26,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 22:13:26,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 22:13:26,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 22:13:26,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 22:13:26,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 22:13:26,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 22:13:26,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 22:13:26,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 22:13:26,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 22:13:26,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 22:13:26,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 22:13:26,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 22:13:26,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 22:13:26,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 22:13:26,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 22:13:26,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 22:13:26,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 22:13:26,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 22:13:26,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 22:13:26,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 22:13:26,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 22:13:26,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 22:13:26,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 22:13:26,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 22:13:26,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 22:13:26,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 22:13:26,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 22:13:26,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-09-29 22:13:26,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 22:13:26,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 22:13:26,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 22:13:26,519 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 22:13:26,538 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 22:13:26,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 22:13:26,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 22:13:26,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 22:13:26,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 22:13:26,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 22:13:26,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 22:13:26,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 22:13:26,540 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 22:13:26,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 22:13:26,540 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 22:13:26,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 22:13:26,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 22:13:26,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 22:13:26,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 22:13:26,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 22:13:26,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 22:13:26,540 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 22:13:26,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 22:13:26,541 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 22:13:26,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 22:13:26,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 22:13:26,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 22:13:26,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 22:13:26,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 22:13:26,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 22:13:26,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 22:13:26,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 22:13:26,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 22:13:26,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 22:13:26,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 22:13:26,542 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 22:13:26,542 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 22:13:26,542 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 22:13:26,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 22:13:26,542 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 22:13:26,542 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 22:13:26,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 22:13:26,542 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 22:13:26,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 22:13:26,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 22:13:26,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 22:13:26,747 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 22:13:26,751 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 22:13:26,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line380.bpl [2022-09-29 22:13:26,753 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line380.bpl' [2022-09-29 22:13:26,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 22:13:26,812 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 22:13:26,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 22:13:26,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 22:13:26,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 22:13:26,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:13:26" (1/1) ... [2022-09-29 22:13:26,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:13:26" (1/1) ... [2022-09-29 22:13:26,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:13:26" (1/1) ... [2022-09-29 22:13:26,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:13:26" (1/1) ... [2022-09-29 22:13:26,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:13:26" (1/1) ... [2022-09-29 22:13:26,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:13:26" (1/1) ... [2022-09-29 22:13:26,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:13:26" (1/1) ... [2022-09-29 22:13:26,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 22:13:26,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 22:13:26,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 22:13:26,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 22:13:26,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:13:26" (1/1) ... [2022-09-29 22:13:26,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 22:13:26,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:13:26,992 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 22:13:27,005 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 22:13:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-29 22:13:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-29 22:13:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 22:13:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 22:13:27,027 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 22:13:27,217 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 22:13:27,218 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 22:13:28,151 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 22:13:28,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 22:13:28,174 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-29 22:13:28,177 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:13:28 BoogieIcfgContainer [2022-09-29 22:13:28,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 22:13:28,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 22:13:28,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 22:13:28,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 22:13:28,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:13:26" (1/2) ... [2022-09-29 22:13:28,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504fa68b and model type divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 10:13:28, skipping insertion in model container [2022-09-29 22:13:28,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:13:28" (2/2) ... [2022-09-29 22:13:28,186 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line380.bpl [2022-09-29 22:13:28,192 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 22:13:28,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 22:13:28,199 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 22:13:28,199 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 22:13:28,284 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-29 22:13:28,329 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 22:13:28,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 22:13:28,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:13:28,331 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 22:13:28,333 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 22:13:28,356 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 22:13:28,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 22:13:28,366 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;@1d9f97a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 22:13:28,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 22:13:28,368 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-09-29 22:13:28,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 22:13:28,373 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 22:13:28,375 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-09-29 22:13:28,385 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 22:13:28,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 22:13:28,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:13:28,388 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 22:13:28,392 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 22:13:28,394 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 22:13:28,395 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-29 22:13:28,396 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;@1d9f97a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 22:13:28,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 22:13:28,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-29 22:13:28,483 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 22:13:28,484 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-09-29 22:13:28,507 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 22:13:28,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 22:13:28,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:13:28,553 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 22:13:28,555 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 22:13:28,558 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 22:13:28,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 22:13:28,559 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;@1d9f97a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 22:13:28,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 22:13:33,068 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:13:33,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:13:33,072 INFO L85 PathProgramCache]: Analyzing trace with hash -81042848, now seen corresponding path program 1 times [2022-09-29 22:13:33,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:13:33,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647340505] [2022-09-29 22:13:33,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:13:33,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:13:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:13:35,376 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 22:13:35,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:13:35,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647340505] [2022-09-29 22:13:35,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647340505] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:13:35,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:13:35,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 22:13:35,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438796186] [2022-09-29 22:13:35,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:13:35,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 22:13:35,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:13:35,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 22:13:35,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 22:13:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:13:35,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:13:35,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 461.5) internal successors, (923), 2 states have internal predecessors, (923), 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 22:13:35,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:13:38,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:13:38,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 22:13:38,377 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:13:38,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:13:38,378 INFO L85 PathProgramCache]: Analyzing trace with hash -199829144, now seen corresponding path program 1 times [2022-09-29 22:13:38,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:13:38,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283301123] [2022-09-29 22:13:38,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:13:38,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:13:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:13:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 14876 backedges. 2439 proven. 29 refuted. 0 times theorem prover too weak. 12408 trivial. 0 not checked. [2022-09-29 22:13:41,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:13:41,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283301123] [2022-09-29 22:13:41,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283301123] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 22:13:41,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319475801] [2022-09-29 22:13:41,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:13:41,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:13:41,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:13:41,990 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 22:13:41,991 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 22:13:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:13:43,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 8670 conjuncts, 9 conjunts are in the unsatisfiable core [2022-09-29 22:13:43,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 22:13:45,275 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 22:13:45,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 22:13:45,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319475801] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:13:45,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 22:13:45,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 18 [2022-09-29 22:13:45,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259371675] [2022-09-29 22:13:45,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:13:45,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-29 22:13:45,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:13:45,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-29 22:13:45,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2022-09-29 22:13:45,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:13:45,282 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:13:45,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 214.4) internal successors, (2144), 10 states have internal predecessors, (2144), 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 22:13:45,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:13:45,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:13:49,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:13:49,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-29 22:13:49,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-09-29 22:13:49,439 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 22:13:49,439 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:13:49,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:13:49,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1304029984, now seen corresponding path program 1 times [2022-09-29 22:13:49,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:13:49,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751601322] [2022-09-29 22:13:49,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:13:49,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:13:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:13:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 938 proven. 29 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-09-29 22:13:49,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:13:49,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751601322] [2022-09-29 22:13:49,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751601322] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 22:13:49,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880267545] [2022-09-29 22:13:49,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:13:49,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:13:49,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:13:49,895 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 22:13:49,897 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 22:13:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:13:50,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 3462 conjuncts, 23 conjunts are in the unsatisfiable core [2022-09-29 22:13:50,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 22:13:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 938 proven. 29 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-09-29 22:13:50,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 22:13:50,840 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-09-29 22:13:50,841 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 12 treesize of output 11 [2022-09-29 22:13:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 938 proven. 29 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-09-29 22:13:50,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880267545] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 22:13:50,960 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 22:13:50,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 9 [2022-09-29 22:13:50,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081279771] [2022-09-29 22:13:50,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 22:13:50,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-29 22:13:50,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:13:50,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-29 22:13:50,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-09-29 22:13:50,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:13:50,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:13:50,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 66.44444444444444) internal successors, (598), 10 states have internal predecessors, (598), 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 22:13:50,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:13:50,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-09-29 22:13:50,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:13:57,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:13:57,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-29 22:13:57,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-29 22:13:57,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-09-29 22:13:58,103 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 22:13:58,103 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:13:58,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:13:58,104 INFO L85 PathProgramCache]: Analyzing trace with hash 115490, now seen corresponding path program 1 times [2022-09-29 22:13:58,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:13:58,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155509317] [2022-09-29 22:13:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:13:58,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:13:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:14:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 1535 proven. 505 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2022-09-29 22:14:10,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:14:10,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155509317] [2022-09-29 22:14:10,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155509317] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 22:14:10,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159241791] [2022-09-29 22:14:10,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:14:10,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:14:10,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:14:10,201 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 22:14:10,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-09-29 22:14:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:14:11,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 4030 conjuncts, 387 conjunts are in the unsatisfiable core [2022-09-29 22:14:11,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 22:14:19,485 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 22:14:19,499 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 22:14:20,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-09-29 22:14:21,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:21,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-09-29 22:14:21,950 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 22:14:22,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:22,587 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-09-29 22:14:22,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:22,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:22,613 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-09-29 22:14:22,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-09-29 22:14:23,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:23,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-09-29 22:14:25,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:14:25,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:25,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:25,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:25,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 44 [2022-09-29 22:14:25,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:14:25,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:25,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:25,212 INFO L356 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2022-09-29 22:14:25,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 45 [2022-09-29 22:14:26,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:26,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:26,050 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-09-29 22:14:26,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 44 [2022-09-29 22:14:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:26,064 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-09-29 22:14:26,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2022-09-29 22:14:28,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:28,289 INFO L356 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2022-09-29 22:14:28,289 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 50 [2022-09-29 22:14:28,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:28,313 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-09-29 22:14:28,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 40 [2022-09-29 22:14:28,326 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-09-29 22:14:28,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2022-09-29 22:14:28,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:28,872 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-09-29 22:14:28,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:28,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2022-09-29 22:14:36,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:14:36,046 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-09-29 22:14:36,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:36,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:14:36,254 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-09-29 22:14:36,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 77 treesize of output 44 [2022-09-29 22:14:36,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:36,270 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-09-29 22:14:36,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 21 [2022-09-29 22:14:36,668 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 11 treesize of output 7 [2022-09-29 22:14:36,672 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 11 treesize of output 7 [2022-09-29 22:14:36,964 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-09-29 22:14:36,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-09-29 22:14:37,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 1073 proven. 967 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2022-09-29 22:14:37,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 22:14:37,506 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-09-29 22:14:37,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:14:37,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:15:17,924 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 22:15:52,561 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 22:17:40,139 WARN L233 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 22:19:31,287 WARN L233 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2022-09-29 22:27:38,340 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 22:27:38,340 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 22:27:38,341 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 22:27:38,341 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 22:27:38,341 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 22:27:39,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 22:27:39,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-09-29 22:27:39,380 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 22:27:39,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-09-29 22:27:39,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-09-29 22:27:39,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:27:39,407 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1463 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 281 known predicates. [2022-09-29 22:27:39,408 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-29 22:27:39,409 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was TIMEOUT (3/3) [2022-09-29 22:27:39,411 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 22:27:39,411 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 22:27:39,413 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line380.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 10:27:39 BasicIcfg [2022-09-29 22:27:39,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 22:27:39,414 INFO L158 Benchmark]: Toolchain (without parser) took 852601.28ms. Allocated memory was 192.9MB in the beginning and 7.5GB in the end (delta: 7.3GB). Free memory was 146.1MB in the beginning and 5.8GB in the end (delta: -5.7GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-09-29 22:27:39,414 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 192.9MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 22:27:39,414 INFO L158 Benchmark]: Boogie Preprocessor took 118.04ms. Allocated memory is still 192.9MB. Free memory was 146.1MB in the beginning and 139.4MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-09-29 22:27:39,414 INFO L158 Benchmark]: RCFGBuilder took 1238.92ms. Allocated memory is still 192.9MB. Free memory was 139.3MB in the beginning and 147.1MB in the end (delta: -7.9MB). Peak memory consumption was 35.5MB. Max. memory is 8.0GB. [2022-09-29 22:27:39,414 INFO L158 Benchmark]: TraceAbstraction took 851233.95ms. Allocated memory was 192.9MB in the beginning and 7.5GB in the end (delta: 7.3GB). Free memory was 146.1MB in the beginning and 5.8GB in the end (delta: -5.7GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-09-29 22:27:39,425 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 0.14ms. Allocated memory is still 192.9MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 118.04ms. Allocated memory is still 192.9MB. Free memory was 146.1MB in the beginning and 139.4MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1238.92ms. Allocated memory is still 192.9MB. Free memory was 139.3MB in the beginning and 147.1MB in the end (delta: -7.9MB). Peak memory consumption was 35.5MB. Max. memory is 8.0GB. * TraceAbstraction took 851233.95ms. Allocated memory was 192.9MB in the beginning and 7.5GB in the end (delta: 7.3GB). Free memory was 146.1MB in the beginning and 5.8GB in the end (delta: -5.7GB). 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: 81603, positive: 79021, positive conditional: 79021, positive unconditional: 0, negative: 2582, negative conditional: 2582, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 508073, positive: 491528, positive conditional: 491528, positive unconditional: 0, negative: 16545, negative conditional: 16545, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 493652, positive: 491528, positive conditional: 0, positive unconditional: 491528, negative: 2124, negative conditional: 0, negative unconditional: 2124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 128498, positive: 127691, positive conditional: 0, positive unconditional: 127691, negative: 807, negative conditional: 0, negative unconditional: 807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 493652, positive: 363837, positive conditional: 0, positive unconditional: 363837, negative: 1317, negative conditional: 0, negative unconditional: 1317, unknown: 128498, unknown conditional: 0, unknown unconditional: 128498] , Statistics on independence cache: Total cache size (in pairs): 77608, Positive cache size: 77536, Positive conditional cache size: 0, Positive unconditional cache size: 77536, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Independence queries for same thread: 2510, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 81650, positive: 79093, positive conditional: 79093, positive unconditional: 0, negative: 2557, negative conditional: 2557, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 508073, positive: 491528, positive conditional: 491528, positive unconditional: 0, negative: 16545, negative conditional: 16545, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 493652, positive: 491528, positive conditional: 0, positive unconditional: 491528, negative: 2124, negative conditional: 0, negative unconditional: 2124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 128498, positive: 127691, positive conditional: 0, positive unconditional: 127691, negative: 807, negative conditional: 0, negative unconditional: 807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 493652, positive: 363837, positive conditional: 0, positive unconditional: 363837, negative: 1317, negative conditional: 0, negative unconditional: 1317, unknown: 128498, unknown conditional: 0, unknown unconditional: 128498] , Statistics on independence cache: Total cache size (in pairs): 77682, Positive cache size: 77610, Positive conditional cache size: 0, Positive unconditional cache size: 77610, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Independence queries for same thread: 4995, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 119670, positive: 115828, positive conditional: 115828, positive unconditional: 0, negative: 3842, negative conditional: 3842, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 508073, positive: 491528, positive conditional: 491528, positive unconditional: 0, negative: 16545, negative conditional: 16545, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 493652, positive: 491528, positive conditional: 0, positive unconditional: 491528, negative: 2124, negative conditional: 0, negative unconditional: 2124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 128498, positive: 127691, positive conditional: 0, positive unconditional: 127691, negative: 807, negative conditional: 0, negative unconditional: 807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 493652, positive: 363837, positive conditional: 0, positive unconditional: 363837, negative: 1317, negative conditional: 0, negative unconditional: 1317, unknown: 128498, unknown conditional: 0, unknown unconditional: 128498] , Statistics on independence cache: Total cache size (in pairs): 95608, Positive cache size: 94985, Positive conditional cache size: 0, Positive unconditional cache size: 94985, Negative cache size: 623, Negative conditional cache size: 0, Negative unconditional cache size: 623, Independence queries for same thread: 8146, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 225150, positive: 217586, positive conditional: 217586, positive unconditional: 0, negative: 7564, negative conditional: 7564, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 508073, positive: 491528, positive conditional: 491528, positive unconditional: 0, negative: 16545, negative conditional: 16545, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 493652, positive: 491528, positive conditional: 0, positive unconditional: 491528, negative: 2124, negative conditional: 0, negative unconditional: 2124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 128498, positive: 127691, positive conditional: 0, positive unconditional: 127691, negative: 807, negative conditional: 0, negative unconditional: 807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 493652, positive: 363837, positive conditional: 0, positive unconditional: 363837, negative: 1317, negative conditional: 0, negative unconditional: 1317, unknown: 128498, unknown conditional: 0, unknown unconditional: 128498] , Statistics on independence cache: Total cache size (in pairs): 128498, Positive cache size: 127691, Positive conditional cache size: 0, Positive unconditional cache size: 127691, Negative cache size: 807, Negative conditional cache size: 0, Negative unconditional cache size: 807, Independence queries for same thread: 14421, Statistics for Abstraction: - TimeoutResultAtElement [Line: 380]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1463 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 281 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: pusherErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1465 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, 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, 1465 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 850.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 18.3s, 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: 22, 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: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 11742 NumberOfCodeBlocks, 11742 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 12956 ConstructedInterpolants, 0 QuantifiedInterpolants, 18434 SizeOfPredicates, 11 NumberOfNonLiveVariables, 12132 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 52198/52314 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, 1465 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