/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk30/09-regions_01-list_rc.line612.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 21:21:24,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 21:21:24,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 21:21:24,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 21:21:24,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 21:21:24,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 21:21:24,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 21:21:24,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 21:21:24,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 21:21:24,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 21:21:24,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 21:21:24,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 21:21:24,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 21:21:24,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 21:21:24,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 21:21:24,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 21:21:24,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 21:21:24,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 21:21:24,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 21:21:24,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 21:21:24,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 21:21:24,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 21:21:24,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 21:21:24,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 21:21:24,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-24 21:21:24,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-24 21:21:24,807 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 21:21:24,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 21:21:24,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 21:21:24,808 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 21:21:24,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 21:21:24,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 21:21:24,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 21:21:24,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 21:21:24,810 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 21:21:24,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 21:21:24,811 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 21:21:24,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 21:21:24,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 21:21:24,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 21:21:24,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 21:21:24,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 21:21:24,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 21:21:24,812 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 21:21:24,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 21:21:24,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 21:21:24,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 21:21:24,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 21:21:24,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 21:21:24,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 21:21:24,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 21:21:24,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 21:21:24,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 21:21:24,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 21:21:24,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 21:21:24,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 21:21:24,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 21:21:24,814 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 21:21:24,814 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 21:21:24,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 21:21:24,814 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 21:21:24,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 21:21:25,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 21:21:25,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 21:21:25,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 21:21:25,084 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 21:21:25,085 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 21:21:25,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk30/09-regions_01-list_rc.line612.bpl [2022-10-24 21:21:25,086 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk30/09-regions_01-list_rc.line612.bpl' [2022-10-24 21:21:25,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 21:21:25,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 21:21:25,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 21:21:25,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 21:21:25,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 21:21:25,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:21:25" (1/1) ... [2022-10-24 21:21:25,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:21:25" (1/1) ... [2022-10-24 21:21:25,164 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 21:21:25,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 21:21:25,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 21:21:25,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 21:21:25,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 21:21:25,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:21:25" (1/1) ... [2022-10-24 21:21:25,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:21:25" (1/1) ... [2022-10-24 21:21:25,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:21:25" (1/1) ... [2022-10-24 21:21:25,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:21:25" (1/1) ... [2022-10-24 21:21:25,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:21:25" (1/1) ... [2022-10-24 21:21:25,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:21:25" (1/1) ... [2022-10-24 21:21:25,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:21:25" (1/1) ... [2022-10-24 21:21:25,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 21:21:25,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 21:21:25,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 21:21:25,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 21:21:25,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:21:25" (1/1) ... [2022-10-24 21:21:25,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 21:21:25,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 21:21:25,236 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) [2022-10-24 21:21:25,252 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 [2022-10-24 21:21:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 21:21:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 21:21:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-24 21:21:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-24 21:21:25,265 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-24 21:21:25,374 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 21:21:25,375 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 21:21:25,799 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 21:21:25,810 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 21:21:25,810 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-24 21:21:25,815 INFO L202 PluginConnector]: Adding new model 09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:21:25 BoogieIcfgContainer [2022-10-24 21:21:25,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 21:21:25,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 21:21:25,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 21:21:25,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 21:21:25,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:21:25" (1/2) ... [2022-10-24 21:21:25,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5851a2 and model type 09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:21:25, skipping insertion in model container [2022-10-24 21:21:25,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:21:25" (2/2) ... [2022-10-24 21:21:25,824 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.line612.bpl [2022-10-24 21:21:25,832 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 21:21:25,838 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 21:21:25,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 21:21:25,838 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 21:21:25,922 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-24 21:21:25,970 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 21:21:25,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 21:21:25,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 21:21:25,984 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) [2022-10-24 21:21:25,985 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 [2022-10-24 21:21:26,022 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 21:21:26,038 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 21:21:26,045 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;@4c769e93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 21:21:26,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 21:21:26,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 21:21:26,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 21:21:26,101 INFO L85 PathProgramCache]: Analyzing trace with hash 856373184, now seen corresponding path program 1 times [2022-10-24 21:21:26,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 21:21:26,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522906796] [2022-10-24 21:21:26,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 21:21:26,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 21:21:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 21:21:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 21:21:26,455 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 21:21:26,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522906796] [2022-10-24 21:21:26,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522906796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 21:21:26,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 21:21:26,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-24 21:21:26,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720752099] [2022-10-24 21:21:26,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 21:21:26,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-24 21:21:26,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 21:21:26,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-24 21:21:26,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-24 21:21:26,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 21:21:26,541 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 21:21:26,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.714285714285715) internal successors, (173), 8 states have internal predecessors, (173), 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) [2022-10-24 21:21:26,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 21:21:26,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 21:21:26,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-24 21:21:26,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 21:21:26,680 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-24 21:21:26,682 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/2) [2022-10-24 21:21:26,686 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 21:21:26,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 21:21:26,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 21:21:26,696 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) [2022-10-24 21:21:26,697 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 [2022-10-24 21:21:26,724 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 21:21:26,724 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 21:21:26,725 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;@4c769e93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 21:21:26,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 21:21:26,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 21:21:26,745 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 21:21:26,745 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/2) [2022-10-24 21:21:26,745 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-24 21:21:26,745 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-24 21:21:26,749 INFO L202 PluginConnector]: Adding new model 09-regions_01-list_rc.line612.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:21:26 BasicIcfg [2022-10-24 21:21:26,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-24 21:21:26,750 INFO L158 Benchmark]: Toolchain (without parser) took 1627.86ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 104.1MB in the beginning and 126.8MB in the end (delta: -22.7MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-10-24 21:21:26,750 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 127.9MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-24 21:21:26,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.70ms. Allocated memory is still 127.9MB. Free memory was 104.0MB in the beginning and 102.3MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-24 21:21:26,751 INFO L158 Benchmark]: Boogie Preprocessor took 30.74ms. Allocated memory is still 127.9MB. Free memory was 102.3MB in the beginning and 100.1MB in the end (delta: 2.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-24 21:21:26,751 INFO L158 Benchmark]: RCFGBuilder took 618.00ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 100.0MB in the beginning and 143.9MB in the end (delta: -43.9MB). Peak memory consumption was 26.6MB. Max. memory is 8.0GB. [2022-10-24 21:21:26,751 INFO L158 Benchmark]: TraceAbstraction took 931.97ms. Allocated memory is still 163.6MB. Free memory was 143.1MB in the beginning and 126.8MB in the end (delta: 16.4MB). Peak memory consumption was 15.0MB. Max. memory is 8.0GB. [2022-10-24 21:21:26,753 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 0.11ms. Allocated memory is still 127.9MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.70ms. Allocated memory is still 127.9MB. Free memory was 104.0MB in the beginning and 102.3MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.74ms. Allocated memory is still 127.9MB. Free memory was 102.3MB in the beginning and 100.1MB in the end (delta: 2.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 618.00ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 100.0MB in the beginning and 143.9MB in the end (delta: -43.9MB). Peak memory consumption was 26.6MB. Max. memory is 8.0GB. * TraceAbstraction took 931.97ms. Allocated memory is still 163.6MB. Free memory was 143.1MB in the beginning and 126.8MB in the end (delta: 16.4MB). Peak memory consumption was 15.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks 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: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Independence relation #1 benchmarks 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: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - PositiveResult [Line: 612]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 397 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 8, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, 397 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-24 21:21:26,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-10-24 21:21:26,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-10-24 21:21:27,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...