/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.line1198.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 14:26:55,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 14:26:55,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 14:26:55,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 14:26:55,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 14:26:55,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 14:26:55,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 14:26:55,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 14:26:55,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 14:26:55,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 14:26:55,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 14:26:55,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 14:26:55,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 14:26:55,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 14:26:55,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 14:26:55,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 14:26:55,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 14:26:55,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 14:26:55,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 14:26:55,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 14:26:55,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 14:26:55,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 14:26:55,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 14:26:55,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 14:26:55,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 14:26:55,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 14:26:55,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 14:26:55,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 14:26:55,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 14:26:55,689 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 14:26:55,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 14:26:55,690 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 14:26:55,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 14:26:55,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 14:26:55,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 14:26:55,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 14:26:55,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 14:26:55,691 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 14:26:55,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 14:26:55,692 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 14:26:55,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 14:26:55,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 14:26:55,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 14:26:55,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 14:26:55,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 14:26:55,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 14:26:55,693 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 14:26:55,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 14:26:55,693 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 14:26:55,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 14:26:55,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 14:26:55,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 14:26:55,694 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 14:26:55,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 14:26:55,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 14:26:55,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 14:26:55,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 14:26:55,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 14:26:55,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 14:26:55,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 14:26:55,695 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 14:26:55,695 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 14:26:55,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 14:26:55,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 14:26:55,695 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 14:26:55,695 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 14:26:55,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 14:26:55,695 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 14:26:55,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 14:26:55,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 14:26:55,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 14:26:55,905 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 14:26:55,917 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 14:26:55,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1198.bpl [2022-10-03 14:26:55,918 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1198.bpl' [2022-10-03 14:26:56,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 14:26:56,008 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 14:26:56,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 14:26:56,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 14:26:56,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 14:26:56,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:26:56" (1/1) ... [2022-10-03 14:26:56,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:26:56" (1/1) ... [2022-10-03 14:26:56,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:26:56" (1/1) ... [2022-10-03 14:26:56,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:26:56" (1/1) ... [2022-10-03 14:26:56,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:26:56" (1/1) ... [2022-10-03 14:26:56,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:26:56" (1/1) ... [2022-10-03 14:26:56,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:26:56" (1/1) ... [2022-10-03 14:26:56,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 14:26:56,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 14:26:56,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 14:26:56,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 14:26:56,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:26:56" (1/1) ... [2022-10-03 14:26:56,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 14:26:56,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:26:56,216 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 14:26:56,270 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 14:26:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 14:26:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 14:26:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 14:26:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 14:26:56,286 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 14:26:56,501 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 14:26:56,502 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 14:26:57,379 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 14:26:57,392 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 14:26:57,392 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 14:26:57,394 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:26:57 BoogieIcfgContainer [2022-10-03 14:26:57,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 14:26:57,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 14:26:57,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 14:26:57,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 14:26:57,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:26:56" (1/2) ... [2022-10-03 14:26:57,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc7bf66 and model type divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:26:57, skipping insertion in model container [2022-10-03 14:26:57,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:26:57" (2/2) ... [2022-10-03 14:26:57,412 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1198.bpl [2022-10-03 14:26:57,418 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 14:26:57,426 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 14:26:57,426 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 14:26:57,426 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 14:26:57,508 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 14:26:57,559 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 14:26:57,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 14:26:57,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:26:57,561 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 14:26:57,562 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 14:26:57,582 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 14:26:57,586 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 14:26:57,590 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;@10c2bae5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 14:26:57,590 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 14:26:57,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:26:57,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:26:57,786 INFO L85 PathProgramCache]: Analyzing trace with hash -3798610, now seen corresponding path program 1 times [2022-10-03 14:26:57,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:26:57,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101986578] [2022-10-03 14:26:57,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:26:57,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:26:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:26:58,141 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 14:26:58,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:26:58,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101986578] [2022-10-03 14:26:58,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101986578] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:26:58,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:26:58,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 14:26:58,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582666774] [2022-10-03 14:26:58,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:26:58,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 14:26:58,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:26:58,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 14:26:58,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 14:26:58,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:26:58,180 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:26:58,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 210.0) internal successors, (420), 2 states have internal predecessors, (420), 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 14:26:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:26:58,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:26:58,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 14:26:58,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:26:58,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:26:58,443 INFO L85 PathProgramCache]: Analyzing trace with hash -806307475, now seen corresponding path program 1 times [2022-10-03 14:26:58,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:26:58,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295919091] [2022-10-03 14:26:58,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:26:58,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:26:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:27:02,194 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 14:27:02,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:27:02,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295919091] [2022-10-03 14:27:02,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295919091] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:27:02,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:27:02,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [70] imperfect sequences [] total 70 [2022-10-03 14:27:02,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305950295] [2022-10-03 14:27:02,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:27:02,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-10-03 14:27:02,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:27:02,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-10-03 14:27:02,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=4618, Unknown=0, NotChecked=0, Total=4830 [2022-10-03 14:27:02,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:02,203 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:27:02,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.957142857142857) internal successors, (487), 70 states have internal predecessors, (487), 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 14:27:02,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:02,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:19,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:19,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-10-03 14:27:19,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 14:27:19,902 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:27:19,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:27:19,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1503909477, now seen corresponding path program 1 times [2022-10-03 14:27:19,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:27:19,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277106390] [2022-10-03 14:27:19,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:27:19,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:27:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:27:21,282 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 14:27:21,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:27:21,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277106390] [2022-10-03 14:27:21,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277106390] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:27:21,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:27:21,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2022-10-03 14:27:21,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121362814] [2022-10-03 14:27:21,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:27:21,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-10-03 14:27:21,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:27:21,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-10-03 14:27:21,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1830, Unknown=0, NotChecked=0, Total=1980 [2022-10-03 14:27:21,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:21,286 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:27:21,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 9.772727272727273) internal successors, (430), 45 states have internal predecessors, (430), 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 14:27:21,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:21,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-10-03 14:27:21,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:33,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:33,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-10-03 14:27:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-03 14:27:33,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-03 14:27:33,554 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:27:33,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:27:33,557 INFO L85 PathProgramCache]: Analyzing trace with hash 323052767, now seen corresponding path program 1 times [2022-10-03 14:27:33,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:27:33,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129630141] [2022-10-03 14:27:33,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:27:33,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:27:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:27:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 27495 backedges. 7955 proven. 12736 refuted. 0 times theorem prover too weak. 6804 trivial. 0 not checked. [2022-10-03 14:27:43,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:27:43,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129630141] [2022-10-03 14:27:43,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129630141] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 14:27:43,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714553340] [2022-10-03 14:27:43,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:27:43,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 14:27:43,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:27:43,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 14:27:43,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-03 14:27:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:27:45,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 13179 conjuncts, 81 conjunts are in the unsatisfiable core [2022-10-03 14:27:45,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 14:27:51,891 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 6 treesize of output 5 [2022-10-03 14:27:52,382 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 6 treesize of output 5 [2022-10-03 14:27:53,215 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 10 treesize of output 9 [2022-10-03 14:27:53,699 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-10-03 14:27:53,699 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18 [2022-10-03 14:27:54,572 INFO L356 Elim1Store]: treesize reduction 4, result has 75.0 percent of original size [2022-10-03 14:27:54,572 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 19 treesize of output 19 [2022-10-03 14:28:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 27495 backedges. 14840 proven. 4759 refuted. 0 times theorem prover too weak. 7896 trivial. 0 not checked. [2022-10-03 14:28:23,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 14:28:23,056 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int))) (not (= (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| v_ArrVal_965) |c_#memory_$Pointer$.base|))) is different from false [2022-10-03 14:28:23,754 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int)) (|ULTIMATE.start_ULTIMATE.dealloc_~addr#1.base| Int)) (not (= (select (store |c_ULTIMATE.start_ULTIMATE.dealloc_old_#valid#1| |ULTIMATE.start_ULTIMATE.dealloc_~addr#1.base| 0) (select (select (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|)) 1))) is different from false [2022-10-03 14:28:23,763 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int)) (|ULTIMATE.start_ULTIMATE.dealloc_~addr#1.base| Int)) (not (= (select (store |c_#valid| |ULTIMATE.start_ULTIMATE.dealloc_~addr#1.base| 0) (select (select (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|)) 1))) is different from false [2022-10-03 14:28:23,929 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 34 treesize of output 25 [2022-10-03 14:28:23,932 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int))) (= |c_ULTIMATE.start_ULTIMATE.dealloc_~addr#1.base| (select (select (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|))) is different from false [2022-10-03 14:28:23,937 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int))) (= |c_ULTIMATE.start_fifo_drop_head_~old~0#1.base| (select (select (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|))) is different from false [2022-10-03 14:28:23,981 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| Int)) (or (forall ((v_ArrVal_965 (Array Int Int))) (= (select (select (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.base| |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_~old~0#1.base|)) (not (<= |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| |c_pusherThread1of1ForFork0_fifo_node_init_~self#1.base|)))) is different from false [2022-10-03 14:28:23,990 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int)) (|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| Int)) (or (not (<= |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| |c_pusherThread1of1ForFork0_fifo_node_init_~self#1.base|)) (= (select (select (store |c_#memory_$Pointer$.base| |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_~old~0#1.base|))) is different from false [2022-10-03 14:28:24,046 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int)) (|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| Int)) (or (not (<= |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| |c_pusherThread1of1ForFork0_fifo_node_init_~self#1.base|)) (= (select (select (store |c_#memory_$Pointer$.base| |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|))) is different from false [2022-10-03 14:28:24,054 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int)) (|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| Int)) (or (= (select (select (store |c_#memory_$Pointer$.base| |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_read~$Pointer$_#value#1.base|) (not (<= |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| |c_pusherThread1of1ForFork0_fifo_node_init_~self#1.base|)))) is different from false [2022-10-03 14:28:24,059 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int)) (|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| Int)) (or (not (<= |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| |c_pusherThread1of1ForFork0_fifo_node_init_~self#1.base|)) (= (select (select (store |c_#memory_$Pointer$.base| |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |c_ULTIMATE.start_read~$Pointer$_#ptr#1.offset|)))) is different from false [2022-10-03 14:28:24,074 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int)) (|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| Int)) (or (not (<= |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| |c_pusherThread1of1ForFork0_fifo_node_init_~self#1.base|)) (= (select (select (store |c_#memory_$Pointer$.base| |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_fifo_drop_head_~self#1.base|) |c_ULTIMATE.start_fifo_drop_head_~self#1.offset|)))) is different from false [2022-10-03 14:28:24,083 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int)) (|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| Int)) (or (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.base|) |c_ULTIMATE.start_fifo_drop_head_#in~self#1.offset|) (select (select (store |c_#memory_$Pointer$.base| |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|)) (not (<= |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| |c_pusherThread1of1ForFork0_fifo_node_init_~self#1.base|)))) is different from false [2022-10-03 14:28:24,091 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int)) (|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| Int)) (or (not (<= |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| |c_pusherThread1of1ForFork0_fifo_node_init_~self#1.base|)) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) (select (select (store |c_#memory_$Pointer$.base| |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|)))) is different from false [2022-10-03 14:28:24,258 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int)) (|ULTIMATE.start_write~$Pointer$_#ptr#1.base| Int) (v_ArrVal_962 (Array Int Int)) (|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| Int)) (or (not (<= |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| |c_pusherThread1of1ForFork0_fifo_node_init_~self#1.base|)) (let ((.cse0 (store |c_ULTIMATE.start_write~$Pointer$_old_#memory_$Pointer$#1.base| |ULTIMATE.start_write~$Pointer$_#ptr#1.base| v_ArrVal_962))) (= (select (select (store .cse0 |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) (select (select .cse0 |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|))))) is different from false [2022-10-03 14:28:24,282 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int)) (|ULTIMATE.start_write~$Pointer$_#ptr#1.base| Int) (v_ArrVal_962 (Array Int Int)) (|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| Int)) (or (not (<= |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| |c_pusherThread1of1ForFork0_fifo_node_init_~self#1.base|)) (let ((.cse0 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_write~$Pointer$_#ptr#1.base| v_ArrVal_962))) (= (select (select (store .cse0 |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) (select (select .cse0 |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|))))) is different from false [2022-10-03 14:28:24,446 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_965 (Array Int Int)) (|ULTIMATE.start_write~$Pointer$_#ptr#1.base| Int) (|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| Int) (v_ArrVal_962 (Array Int Int))) (or (not (<= |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| |c_pusherThread1of1ForFork0_fifo_node_init_~self#1.base|)) (let ((.cse0 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_write~$Pointer$_#ptr#1.base| v_ArrVal_962))) (= (select (select (store .cse0 |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base_54| v_ArrVal_965) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) (select (select .cse0 |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|))))) is different from false [2022-10-03 14:28:24,681 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 8102 treesize of output 7462 [2022-10-03 14:28:24,928 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 6422 treesize of output 5974 [2022-10-03 14:28:24,974 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 5974 treesize of output 5462 [2022-10-03 14:28:25,000 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 5462 treesize of output 5174 Received shutdown request... [2022-10-03 14:41:25,322 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 14:41:25,323 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 [2022-10-03 14:41:25,337 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 [2022-10-03 14:41:25,353 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 14:41:25,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-03 14:41:25,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-03 14:41:25,538 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 5288 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2022-10-03 14:41:25,542 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-10-03 14:41:25,543 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 14:41:25,544 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 14:41:25,544 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 14:41:25,546 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:41:25 BasicIcfg [2022-10-03 14:41:25,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 14:41:25,546 INFO L158 Benchmark]: Toolchain (without parser) took 869538.58ms. Allocated memory was 229.6MB in the beginning and 5.3GB in the end (delta: 5.0GB). Free memory was 184.6MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 4.4GB. Max. memory is 8.0GB. [2022-10-03 14:41:25,546 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 229.6MB. Free memory is still 190.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 14:41:25,547 INFO L158 Benchmark]: Boogie Preprocessor took 131.36ms. Allocated memory is still 229.6MB. Free memory was 184.5MB in the beginning and 177.6MB in the end (delta: 7.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-10-03 14:41:25,547 INFO L158 Benchmark]: RCFGBuilder took 1253.76ms. Allocated memory was 229.6MB in the beginning and 363.9MB in the end (delta: 134.2MB). Free memory was 177.6MB in the beginning and 304.4MB in the end (delta: -126.8MB). Peak memory consumption was 25.8MB. Max. memory is 8.0GB. [2022-10-03 14:41:25,547 INFO L158 Benchmark]: TraceAbstraction took 868148.93ms. Allocated memory was 363.9MB in the beginning and 5.3GB in the end (delta: 4.9GB). Free memory was 303.8MB in the beginning and 2.9GB in the end (delta: -2.6GB). Peak memory consumption was 4.4GB. Max. memory is 8.0GB. [2022-10-03 14:41:25,548 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 0.15ms. Allocated memory is still 229.6MB. Free memory is still 190.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 131.36ms. Allocated memory is still 229.6MB. Free memory was 184.5MB in the beginning and 177.6MB in the end (delta: 7.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1253.76ms. Allocated memory was 229.6MB in the beginning and 363.9MB in the end (delta: 134.2MB). Free memory was 177.6MB in the beginning and 304.4MB in the end (delta: -126.8MB). Peak memory consumption was 25.8MB. Max. memory is 8.0GB. * TraceAbstraction took 868148.93ms. Allocated memory was 363.9MB in the beginning and 5.3GB in the end (delta: 4.9GB). Free memory was 303.8MB in the beginning and 2.9GB in the end (delta: -2.6GB). Peak memory consumption was 4.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 206, positive: 195, positive conditional: 195, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54888, positive: 53203, positive conditional: 53203, positive unconditional: 0, negative: 1685, negative conditional: 1685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53323, positive: 53203, positive conditional: 0, positive unconditional: 53203, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 46099, positive: 45980, positive conditional: 0, positive unconditional: 45980, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53323, positive: 7223, positive conditional: 0, positive unconditional: 7223, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 46099, unknown conditional: 0, unknown unconditional: 46099] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 195, Positive conditional cache size: 0, Positive unconditional cache size: 195, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 11, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 836, positive: 809, positive conditional: 809, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54888, positive: 53203, positive conditional: 53203, positive unconditional: 0, negative: 1685, negative conditional: 1685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53323, positive: 53203, positive conditional: 0, positive unconditional: 53203, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 46099, positive: 45980, positive conditional: 0, positive unconditional: 45980, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53323, positive: 7223, positive conditional: 0, positive unconditional: 7223, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 46099, unknown conditional: 0, unknown unconditional: 46099] , Statistics on independence cache: Total cache size (in pairs): 809, Positive cache size: 809, Positive conditional cache size: 0, Positive unconditional cache size: 809, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 38, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1087, positive: 1048, positive conditional: 1048, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54888, positive: 53203, positive conditional: 53203, positive unconditional: 0, negative: 1685, negative conditional: 1685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53323, positive: 53203, positive conditional: 0, positive unconditional: 53203, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 46099, positive: 45980, positive conditional: 0, positive unconditional: 45980, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53323, positive: 7223, positive conditional: 0, positive unconditional: 7223, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 46099, unknown conditional: 0, unknown unconditional: 46099] , Statistics on independence cache: Total cache size (in pairs): 1028, Positive cache size: 1028, Positive conditional cache size: 0, Positive unconditional cache size: 1028, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 77, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 52759, positive: 51151, positive conditional: 51151, positive unconditional: 0, negative: 1608, negative conditional: 1608, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54888, positive: 53203, positive conditional: 53203, positive unconditional: 0, negative: 1685, negative conditional: 1685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53323, positive: 53203, positive conditional: 0, positive unconditional: 53203, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 46099, positive: 45980, positive conditional: 0, positive unconditional: 45980, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53323, positive: 7223, positive conditional: 0, positive unconditional: 7223, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 46099, unknown conditional: 0, unknown unconditional: 46099] , Statistics on independence cache: Total cache size (in pairs): 46099, Positive cache size: 45980, Positive conditional cache size: 0, Positive unconditional cache size: 45980, Negative cache size: 119, Negative conditional cache size: 0, Negative unconditional cache size: 119, Independence queries for same thread: 1565, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1198]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 5288 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1463 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 868.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 30.4s, 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: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1337 NumberOfCodeBlocks, 1337 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 1334 ConstructedInterpolants, 0 QuantifiedInterpolants, 24524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown