/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.line472.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 15:06:31,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 15:06:31,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 15:06:31,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 15:06:31,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 15:06:31,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 15:06:31,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 15:06:31,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 15:06:31,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 15:06:31,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 15:06:31,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 15:06:31,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 15:06:31,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 15:06:31,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 15:06:31,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 15:06:31,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 15:06:31,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 15:06:31,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 15:06:31,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 15:06:31,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 15:06:31,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 15:06:31,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 15:06:31,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 15:06:31,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 15:06:31,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-03 15:06:31,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-03 15:06:31,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-03 15:06:31,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-03 15:06:31,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-03 15:06:31,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-03 15:06:31,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-03 15:06:31,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-03 15:06:31,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-03 15:06:31,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-03 15:06:31,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-03 15:06:31,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-03 15:06:31,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-03 15:06:31,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-03 15:06:31,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 15:06:31,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 15:06:31,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 15:06:31,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 15:06:31,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 15:06:31,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 15:06:31,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 15:06:31,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 15:06:31,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 15:06:31,664 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 15:06:31,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 15:06:31,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 15:06:31,664 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 15:06:31,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 15:06:31,665 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 15:06:31,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 15:06:31,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 15:06:31,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 15:06:31,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 15:06:31,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 15:06:31,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 15:06:31,666 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 15:06:31,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 15:06:31,666 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 15:06:31,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 15:06:31,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 15:06:31,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 15:06:31,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 15:06:31,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 15:06:31,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:06:31,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 15:06:31,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 15:06:31,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 15:06:31,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 15:06:31,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 15:06:31,669 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 15:06:31,669 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 15:06:31,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 15:06:31,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 15:06:31,669 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 15:06:31,669 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 15:06:31,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 15:06:31,670 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 15:06:31,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 15:06:31,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 15:06:31,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 15:06:31,922 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 15:06:31,923 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 15:06:31,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line472.bpl [2022-10-03 15:06:31,924 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line472.bpl' [2022-10-03 15:06:32,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 15:06:32,011 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 15:06:32,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 15:06:32,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 15:06:32,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 15:06:32,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:06:32" (1/1) ... [2022-10-03 15:06:32,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:06:32" (1/1) ... [2022-10-03 15:06:32,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:06:32" (1/1) ... [2022-10-03 15:06:32,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:06:32" (1/1) ... [2022-10-03 15:06:32,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:06:32" (1/1) ... [2022-10-03 15:06:32,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:06:32" (1/1) ... [2022-10-03 15:06:32,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:06:32" (1/1) ... [2022-10-03 15:06:32,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 15:06:32,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 15:06:32,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 15:06:32,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 15:06:32,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:06:32" (1/1) ... [2022-10-03 15:06:32,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:06:32,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:06:32,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-03 15:06:32,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-03 15:06:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 15:06:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 15:06:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 15:06:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 15:06:32,252 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-03 15:06:32,455 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 15:06:32,456 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 15:06:33,597 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 15:06:33,626 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 15:06:33,626 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 15:06:33,629 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:06:33 BoogieIcfgContainer [2022-10-03 15:06:33,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 15:06:33,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 15:06:33,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 15:06:33,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 15:06:33,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:06:32" (1/2) ... [2022-10-03 15:06:33,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19178fc4 and model type divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 03:06:33, skipping insertion in model container [2022-10-03 15:06:33,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:06:33" (2/2) ... [2022-10-03 15:06:33,639 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line472.bpl [2022-10-03 15:06:33,646 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 15:06:33,655 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 15:06:33,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 15:06:33,656 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 15:06:33,807 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 15:06:33,881 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 15:06:33,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 15:06:33,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:06:33,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-03 15:06:33,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-03 15:06:33,937 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 15:06:33,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 15:06:33,965 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;@1f6b75b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 15:06:33,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 15:06:33,969 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-03 15:06:33,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 15:06:33,989 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 15:06:33,991 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-10-03 15:06:34,013 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 15:06:34,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 15:06:34,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:06:34,019 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-03 15:06:34,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-03 15:06:34,028 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 15:06:34,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-03 15:06:34,037 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;@1f6b75b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 15:06:34,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 15:06:34,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-03 15:06:34,137 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 15:06:34,141 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-10-03 15:06:34,159 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 15:06:34,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 15:06:34,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:06:34,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-03 15:06:34,225 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 15:06:34,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 15:06:34,226 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;@1f6b75b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 15:06:34,227 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 15:06:34,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-03 15:06:34,505 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:06:34,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:06:34,509 INFO L85 PathProgramCache]: Analyzing trace with hash 452408868, now seen corresponding path program 1 times [2022-10-03 15:06:34,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:06:34,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926709619] [2022-10-03 15:06:34,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:06:34,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:06:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:06:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:06:35,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:06:35,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926709619] [2022-10-03 15:06:35,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926709619] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:06:35,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:06:35,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 15:06:35,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239083530] [2022-10-03 15:06:35,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:06:35,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 15:06:35,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:06:35,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 15:06:35,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 15:06:35,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:06:35,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:06:35,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 192.5) internal successors, (385), 2 states have internal predecessors, (385), 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) [2022-10-03 15:06:35,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:06:35,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:06:35,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 15:06:35,144 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:06:35,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:06:35,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1302429588, now seen corresponding path program 1 times [2022-10-03 15:06:35,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:06:35,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930532749] [2022-10-03 15:06:35,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:06:35,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:06:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:06:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:06:35,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:06:35,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930532749] [2022-10-03 15:06:35,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930532749] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:06:35,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:06:35,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-03 15:06:35,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526484733] [2022-10-03 15:06:35,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:06:35,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-03 15:06:35,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:06:35,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-03 15:06:35,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-03 15:06:35,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:06:35,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:06:35,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 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) [2022-10-03 15:06:35,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:06:35,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:07:09,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:07:09,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-03 15:07:09,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 15:07:09,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 15:07:09,893 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-03 15:07:09,894 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was SAFE (3/3) [2022-10-03 15:07:09,896 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 15:07:09,896 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 15:07:09,901 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line472.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 03:07:09 BasicIcfg [2022-10-03 15:07:09,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 15:07:09,901 INFO L158 Benchmark]: Toolchain (without parser) took 37890.20ms. Allocated memory was 184.5MB in the beginning and 7.6GB in the end (delta: 7.5GB). Free memory was 130.5MB in the beginning and 6.3GB in the end (delta: -6.2GB). Peak memory consumption was 4.7GB. Max. memory is 8.0GB. [2022-10-03 15:07:09,902 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 15:07:09,902 INFO L158 Benchmark]: Boogie Preprocessor took 123.23ms. Allocated memory is still 184.5MB. Free memory was 130.5MB in the beginning and 151.5MB in the end (delta: -20.9MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-10-03 15:07:09,902 INFO L158 Benchmark]: RCFGBuilder took 1479.46ms. Allocated memory was 184.5MB in the beginning and 263.2MB in the end (delta: 78.6MB). Free memory was 151.4MB in the beginning and 212.0MB in the end (delta: -60.6MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2022-10-03 15:07:09,903 INFO L158 Benchmark]: TraceAbstraction took 36269.68ms. Allocated memory was 263.2MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 211.5MB in the beginning and 6.3GB in the end (delta: -6.1GB). Peak memory consumption was 4.7GB. Max. memory is 8.0GB. [2022-10-03 15:07:09,904 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 184.5MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 123.23ms. Allocated memory is still 184.5MB. Free memory was 130.5MB in the beginning and 151.5MB in the end (delta: -20.9MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1479.46ms. Allocated memory was 184.5MB in the beginning and 263.2MB in the end (delta: 78.6MB). Free memory was 151.4MB in the beginning and 212.0MB in the end (delta: -60.6MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * TraceAbstraction took 36269.68ms. Allocated memory was 263.2MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 211.5MB in the beginning and 6.3GB in the end (delta: -6.1GB). Peak memory consumption was 4.7GB. 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: 163, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 291689, positive: 282535, positive conditional: 282535, positive unconditional: 0, negative: 9154, negative conditional: 9154, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 283719, positive: 282535, positive conditional: 0, positive unconditional: 282535, negative: 1184, negative conditional: 0, negative unconditional: 1184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 129473, positive: 128822, positive conditional: 0, positive unconditional: 128822, negative: 651, negative conditional: 0, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283719, positive: 153713, positive conditional: 0, positive unconditional: 153713, negative: 533, negative conditional: 0, negative unconditional: 533, unknown: 129473, unknown conditional: 0, unknown unconditional: 129473] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 156, Positive conditional cache size: 0, Positive unconditional cache size: 156, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 7, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 161, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 291689, positive: 282535, positive conditional: 282535, positive unconditional: 0, negative: 9154, negative conditional: 9154, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 283719, positive: 282535, positive conditional: 0, positive unconditional: 282535, negative: 1184, negative conditional: 0, negative unconditional: 1184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 129473, positive: 128822, positive conditional: 0, positive unconditional: 128822, negative: 651, negative conditional: 0, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283719, positive: 153713, positive conditional: 0, positive unconditional: 153713, negative: 533, negative conditional: 0, negative unconditional: 533, unknown: 129473, unknown conditional: 0, unknown unconditional: 129473] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 156, Positive conditional cache size: 0, Positive unconditional cache size: 156, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 12, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 291365, positive: 282223, positive conditional: 282223, positive unconditional: 0, negative: 9142, negative conditional: 9142, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 291689, positive: 282535, positive conditional: 282535, positive unconditional: 0, negative: 9154, negative conditional: 9154, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 283719, positive: 282535, positive conditional: 0, positive unconditional: 282535, negative: 1184, negative conditional: 0, negative unconditional: 1184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 129473, positive: 128822, positive conditional: 0, positive unconditional: 128822, negative: 651, negative conditional: 0, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283719, positive: 153713, positive conditional: 0, positive unconditional: 153713, negative: 533, negative conditional: 0, negative unconditional: 533, unknown: 129473, unknown conditional: 0, unknown unconditional: 129473] , Statistics on independence cache: Total cache size (in pairs): 129473, Positive cache size: 128822, Positive conditional cache size: 0, Positive unconditional cache size: 128822, Negative cache size: 651, Negative conditional cache size: 0, Negative unconditional cache size: 651, Independence queries for same thread: 7970, Statistics for Abstraction: - PositiveResult [Line: 472]: 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, 1465 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, 1465 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 35.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 34.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 769 NumberOfCodeBlocks, 769 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 767 ConstructedInterpolants, 0 QuantifiedInterpolants, 1575 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 3 procedures, 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-03 15:07:09,948 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 [2022-10-03 15:07:10,155 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 [2022-10-03 15:07:10,353 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 [2022-10-03 15:07:10,556 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...