/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/test-easy10.wvr.line441.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-04 14:29:39,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-04 14:29:39,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-04 14:29:39,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-04 14:29:39,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-04 14:29:39,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-04 14:29:39,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-04 14:29:39,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-04 14:29:39,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-04 14:29:39,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-04 14:29:39,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-04 14:29:39,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-04 14:29:39,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-04 14:29:39,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-04 14:29:39,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-04 14:29:39,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-04 14:29:39,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-04 14:29:39,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-04 14:29:39,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-04 14:29:39,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-04 14:29:39,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-04 14:29:39,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-04 14:29:39,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-04 14:29:39,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-04 14:29:39,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-04 14:29:39,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-04 14:29:39,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-04 14:29:39,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-04 14:29:39,461 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-04 14:29:39,488 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-04 14:29:39,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-04 14:29:39,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-04 14:29:39,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-04 14:29:39,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-04 14:29:39,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-04 14:29:39,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-04 14:29:39,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-04 14:29:39,491 INFO L138 SettingsManager]: * Use SBE=true [2022-10-04 14:29:39,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-04 14:29:39,491 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-04 14:29:39,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-04 14:29:39,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-04 14:29:39,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-04 14:29:39,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-04 14:29:39,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-04 14:29:39,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-04 14:29:39,492 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-04 14:29:39,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-04 14:29:39,493 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-04 14:29:39,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-04 14:29:39,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-04 14:29:39,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-04 14:29:39,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-04 14:29:39,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-04 14:29:39,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 14:29:39,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-04 14:29:39,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-04 14:29:39,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-04 14:29:39,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-04 14:29:39,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-04 14:29:39,495 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-04 14:29:39,495 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-04 14:29:39,496 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-04 14:29:39,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-04 14:29:39,496 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-04 14:29:39,496 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-04 14:29:39,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-04 14:29:39,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-04 14:29:39,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-04 14:29:39,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-04 14:29:39,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-04 14:29:39,736 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-04 14:29:39,737 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-04 14:29:39,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/test-easy10.wvr.line441.bpl [2022-10-04 14:29:39,738 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/test-easy10.wvr.line441.bpl' [2022-10-04 14:29:39,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-04 14:29:39,780 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-04 14:29:39,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-04 14:29:39,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-04 14:29:39,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-04 14:29:39,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:29:39" (1/1) ... [2022-10-04 14:29:39,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:29:39" (1/1) ... [2022-10-04 14:29:39,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:29:39" (1/1) ... [2022-10-04 14:29:39,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:29:39" (1/1) ... [2022-10-04 14:29:39,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:29:39" (1/1) ... [2022-10-04 14:29:39,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:29:39" (1/1) ... [2022-10-04 14:29:39,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:29:39" (1/1) ... [2022-10-04 14:29:39,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-04 14:29:39,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-04 14:29:39,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-04 14:29:39,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-04 14:29:39,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:29:39" (1/1) ... [2022-10-04 14:29:39,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 14:29:39,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 14:29:39,888 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) [2022-10-04 14:29:39,890 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 [2022-10-04 14:29:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-04 14:29:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-04 14:29:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-04 14:29:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-04 14:29:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-04 14:29:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-04 14:29:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-10-04 14:29:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-10-04 14:29:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-04 14:29:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-04 14:29:39,920 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-04 14:29:40,014 INFO L234 CfgBuilder]: Building ICFG [2022-10-04 14:29:40,016 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-04 14:29:40,439 INFO L275 CfgBuilder]: Performing block encoding [2022-10-04 14:29:40,455 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-04 14:29:40,456 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-04 14:29:40,458 INFO L202 PluginConnector]: Adding new model test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:29:40 BoogieIcfgContainer [2022-10-04 14:29:40,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-04 14:29:40,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-04 14:29:40,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-04 14:29:40,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-04 14:29:40,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:29:39" (1/2) ... [2022-10-04 14:29:40,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12170696 and model type test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 02:29:40, skipping insertion in model container [2022-10-04 14:29:40,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:29:40" (2/2) ... [2022-10-04 14:29:40,466 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.line441.bpl [2022-10-04 14:29:40,476 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-04 14:29:40,484 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-04 14:29:40,485 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-04 14:29:40,486 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-04 14:29:40,575 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-10-04 14:29:40,623 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 14:29:40,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 14:29:40,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 14:29:40,631 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) [2022-10-04 14:29:40,651 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 [2022-10-04 14:29:40,676 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 14:29:40,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-04 14:29:40,691 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;@1d58c5e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 14:29:40,691 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 14:29:40,909 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 14:29:40,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 14:29:40,914 INFO L85 PathProgramCache]: Analyzing trace with hash 153267319, now seen corresponding path program 1 times [2022-10-04 14:29:40,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 14:29:40,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817668253] [2022-10-04 14:29:40,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 14:29:40,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 14:29:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 14:29:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 14:29:41,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 14:29:41,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817668253] [2022-10-04 14:29:41,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817668253] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 14:29:41,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 14:29:41,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-04 14:29:41,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929038595] [2022-10-04 14:29:41,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 14:29:41,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-04 14:29:41,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 14:29:41,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-04 14:29:41,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-04 14:29:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 14:29:41,218 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 14:29:41,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.0) internal successors, (150), 2 states have internal predecessors, (150), 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) [2022-10-04 14:29:41,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 14:29:41,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 14:29:41,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-04 14:29:41,246 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 14:29:41,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 14:29:41,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1087152541, now seen corresponding path program 1 times [2022-10-04 14:29:41,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 14:29:41,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860448959] [2022-10-04 14:29:41,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 14:29:41,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 14:29:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 14:29:41,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 14:29:41,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 14:29:41,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860448959] [2022-10-04 14:29:41,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860448959] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 14:29:41,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 14:29:41,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 14:29:41,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179991953] [2022-10-04 14:29:41,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 14:29:41,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-04 14:29:41,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 14:29:41,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-04 14:29:41,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-04 14:29:41,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 14:29:41,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 14:29:41,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 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) [2022-10-04 14:29:41,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 14:29:41,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 14:30:03,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 14:30:03,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 14:30:03,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-04 14:30:03,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-04 14:30:03,178 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-04 14:30:03,180 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/5) [2022-10-04 14:30:03,193 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 14:30:03,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 14:30:03,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 14:30:03,195 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) [2022-10-04 14:30:03,196 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 [2022-10-04 14:30:03,202 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 14:30:03,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 14:30:03,203 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;@1d58c5e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 14:30:03,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 14:30:03,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 14:30:03,231 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 14:30:03,231 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/5) [2022-10-04 14:30:03,236 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 14:30:03,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 14:30:03,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 14:30:03,286 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-04 14:30:03,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-04 14:30:03,290 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 14:30:03,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 14:30:03,291 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;@1d58c5e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 14:30:03,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 14:30:35,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 14:30:35,400 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 14:30:35,400 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/5) [2022-10-04 14:30:35,409 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 14:30:35,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 14:30:35,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 14:30:35,412 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-04 14:30:35,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-04 14:30:35,419 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 14:30:35,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 14:30:35,419 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;@1d58c5e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 14:30:35,420 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 14:30:36,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 14:30:36,350 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 14:30:36,351 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/5) [2022-10-04 14:30:36,355 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 14:30:36,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 14:30:36,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 14:30:36,359 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-04 14:30:36,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-10-04 14:30:36,363 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 14:30:36,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 14:30:36,363 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;@1d58c5e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 14:30:36,363 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 14:30:36,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 14:30:36,434 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 14:30:36,435 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (5/5) [2022-10-04 14:30:36,436 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-04 14:30:36,437 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-04 14:30:36,442 INFO L202 PluginConnector]: Adding new model test-easy10.wvr.line441.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 02:30:36 BasicIcfg [2022-10-04 14:30:36,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-04 14:30:36,451 INFO L158 Benchmark]: Toolchain (without parser) took 56670.93ms. Allocated memory was 174.1MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 124.3MB in the beginning and 5.6GB in the end (delta: -5.5GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-10-04 14:30:36,451 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-04 14:30:36,451 INFO L158 Benchmark]: Boogie Preprocessor took 69.57ms. Allocated memory is still 174.1MB. Free memory was 124.3MB in the beginning and 121.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-04 14:30:36,452 INFO L158 Benchmark]: RCFGBuilder took 596.49ms. Allocated memory was 174.1MB in the beginning and 240.1MB in the end (delta: 66.1MB). Free memory was 121.7MB in the beginning and 199.5MB in the end (delta: -77.8MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. [2022-10-04 14:30:36,452 INFO L158 Benchmark]: TraceAbstraction took 55990.56ms. Allocated memory was 240.1MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 199.0MB in the beginning and 5.6GB in the end (delta: -5.4GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-10-04 14:30:36,454 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 0.10ms. Allocated memory is still 174.1MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 69.57ms. Allocated memory is still 174.1MB. Free memory was 124.3MB in the beginning and 121.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 596.49ms. Allocated memory was 174.1MB in the beginning and 240.1MB in the end (delta: 66.1MB). Free memory was 121.7MB in the beginning and 199.5MB in the end (delta: -77.8MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. * TraceAbstraction took 55990.56ms. Allocated memory was 240.1MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 199.0MB in the beginning and 5.6GB in the end (delta: -5.4GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 103, positive: 102, positive conditional: 102, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1562966, positive: 1549942, positive conditional: 1549942, positive unconditional: 0, negative: 13024, negative conditional: 13024, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1549942, positive: 1549942, positive conditional: 0, positive unconditional: 1549942, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7156, positive: 7156, positive conditional: 0, positive unconditional: 7156, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1549942, positive: 1542786, positive conditional: 0, positive unconditional: 1542786, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7156, unknown conditional: 0, unknown unconditional: 7156] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 101, positive: 100, positive conditional: 100, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1562966, positive: 1549942, positive conditional: 1549942, positive unconditional: 0, negative: 13024, negative conditional: 13024, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1549942, positive: 1549942, positive conditional: 0, positive unconditional: 1549942, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7156, positive: 7156, positive conditional: 0, positive unconditional: 7156, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1549942, positive: 1542786, positive conditional: 0, positive unconditional: 1542786, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7156, unknown conditional: 0, unknown unconditional: 7156] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1562762, positive: 1549740, positive conditional: 1549740, positive unconditional: 0, negative: 13022, negative conditional: 13022, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1562966, positive: 1549942, positive conditional: 1549942, positive unconditional: 0, negative: 13024, negative conditional: 13024, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1549942, positive: 1549942, positive conditional: 0, positive unconditional: 1549942, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7156, positive: 7156, positive conditional: 0, positive unconditional: 7156, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1549942, positive: 1542786, positive conditional: 0, positive unconditional: 1542786, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7156, unknown conditional: 0, unknown unconditional: 7156] , Statistics on independence cache: Total cache size (in pairs): 7156, Positive cache size: 7156, Positive conditional cache size: 0, Positive unconditional cache size: 7156, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 13024, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2658358, positive: 2635969, positive conditional: 2635969, positive unconditional: 0, negative: 22389, negative conditional: 22389, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2658358, positive: 2635969, positive conditional: 2635969, positive unconditional: 0, negative: 22389, negative conditional: 22389, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2635969, positive: 2635969, positive conditional: 0, positive unconditional: 2635969, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7839, positive: 7839, positive conditional: 0, positive unconditional: 7839, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2635969, positive: 2628130, positive conditional: 0, positive unconditional: 2628130, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7839, unknown conditional: 0, unknown unconditional: 7839] , Statistics on independence cache: Total cache size (in pairs): 7839, Positive cache size: 7839, Positive conditional cache size: 0, Positive unconditional cache size: 7839, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 22389, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 41093, positive: 40559, positive conditional: 40559, positive unconditional: 0, negative: 534, negative conditional: 534, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 41093, positive: 40559, positive conditional: 40559, positive unconditional: 0, negative: 534, negative conditional: 534, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 40559, positive: 40559, positive conditional: 0, positive unconditional: 40559, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3042, positive: 3042, positive conditional: 0, positive unconditional: 3042, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 40559, positive: 37517, positive conditional: 0, positive unconditional: 37517, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3042, unknown conditional: 0, unknown unconditional: 3042] , Statistics on independence cache: Total cache size (in pairs): 3042, Positive cache size: 3042, Positive conditional cache size: 0, Positive unconditional cache size: 3042, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 534, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 521, positive: 507, positive conditional: 507, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 521, positive: 507, positive conditional: 507, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 507, positive: 507, positive conditional: 0, positive unconditional: 507, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 507, positive: 507, positive conditional: 0, positive unconditional: 507, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 507, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 507, unknown conditional: 0, unknown unconditional: 507] , Statistics on independence cache: Total cache size (in pairs): 507, Positive cache size: 507, Positive conditional cache size: 0, Positive unconditional cache size: 507, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 14, Statistics for Abstraction: - PositiveResult [Line: 441]: 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 9 procedures, 556 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 22.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 21.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 297 ConstructedInterpolants, 0 QuantifiedInterpolants, 557 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 9 procedures, 556 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 9 procedures, 556 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 32.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 32.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 9 procedures, 556 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 9 procedures, 556 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-04 14:30:36,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2022-10-04 14:30:36,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2022-10-04 14:30:36,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-10-04 14:30:37,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-10-04 14:30:37,312 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 [2022-10-04 14:30:37,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...