/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/popl20-threaded-sum-3.wvr.line336.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-30 05:56:05,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-30 05:56:05,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-30 05:56:05,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-30 05:56:05,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-30 05:56:05,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-30 05:56:05,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-30 05:56:05,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-30 05:56:05,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-30 05:56:05,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-30 05:56:05,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-30 05:56:05,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-30 05:56:05,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-30 05:56:05,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-30 05:56:05,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-30 05:56:05,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-30 05:56:05,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-30 05:56:05,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-30 05:56:05,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-30 05:56:05,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-30 05:56:05,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-30 05:56:05,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-30 05:56:05,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-30 05:56:05,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-30 05:56:05,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-30 05:56:05,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-30 05:56:05,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-30 05:56:05,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-30 05:56:05,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-30 05:56:05,163 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-30 05:56:05,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-30 05:56:05,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-30 05:56:05,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-30 05:56:05,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-30 05:56:05,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-30 05:56:05,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-30 05:56:05,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-30 05:56:05,165 INFO L138 SettingsManager]: * Use SBE=true [2022-09-30 05:56:05,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-30 05:56:05,165 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-30 05:56:05,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-30 05:56:05,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-30 05:56:05,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-30 05:56:05,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-30 05:56:05,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-30 05:56:05,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-30 05:56:05,166 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-30 05:56:05,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-30 05:56:05,166 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-30 05:56:05,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-30 05:56:05,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-30 05:56:05,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-30 05:56:05,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-30 05:56:05,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-30 05:56:05,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 05:56:05,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-30 05:56:05,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-30 05:56:05,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-30 05:56:05,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-30 05:56:05,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-30 05:56:05,168 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-30 05:56:05,168 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-30 05:56:05,168 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-30 05:56:05,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-30 05:56:05,168 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-30 05:56:05,168 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-30 05:56:05,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-30 05:56:05,169 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-30 05:56:05,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-30 05:56:05,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-30 05:56:05,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-30 05:56:05,449 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-30 05:56:05,450 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-30 05:56:05,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/popl20-threaded-sum-3.wvr.line336.bpl [2022-09-30 05:56:05,452 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/popl20-threaded-sum-3.wvr.line336.bpl' [2022-09-30 05:56:05,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-30 05:56:05,491 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-30 05:56:05,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-30 05:56:05,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-30 05:56:05,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-30 05:56:05,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:56:05" (1/1) ... [2022-09-30 05:56:05,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:56:05" (1/1) ... [2022-09-30 05:56:05,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:56:05" (1/1) ... [2022-09-30 05:56:05,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:56:05" (1/1) ... [2022-09-30 05:56:05,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:56:05" (1/1) ... [2022-09-30 05:56:05,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:56:05" (1/1) ... [2022-09-30 05:56:05,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:56:05" (1/1) ... [2022-09-30 05:56:05,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-30 05:56:05,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-30 05:56:05,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-30 05:56:05,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-30 05:56:05,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:56:05" (1/1) ... [2022-09-30 05:56:05,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 05:56:05,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 05:56:05,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-30 05:56:05,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-30 05:56:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-30 05:56:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-30 05:56:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-30 05:56:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-30 05:56:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-30 05:56:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-30 05:56:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-30 05:56:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-30 05:56:05,643 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-30 05:56:05,719 INFO L234 CfgBuilder]: Building ICFG [2022-09-30 05:56:05,720 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-30 05:56:06,028 INFO L275 CfgBuilder]: Performing block encoding [2022-09-30 05:56:06,057 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-30 05:56:06,057 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-09-30 05:56:06,060 INFO L202 PluginConnector]: Adding new model popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 05:56:06 BoogieIcfgContainer [2022-09-30 05:56:06,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-30 05:56:06,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-30 05:56:06,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-30 05:56:06,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-30 05:56:06,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:56:05" (1/2) ... [2022-09-30 05:56:06,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7743d024 and model type popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 05:56:06, skipping insertion in model container [2022-09-30 05:56:06,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 05:56:06" (2/2) ... [2022-09-30 05:56:06,077 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.line336.bpl [2022-09-30 05:56:06,084 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-30 05:56:06,125 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-30 05:56:06,125 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-30 05:56:06,126 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-30 05:56:06,277 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-30 05:56:06,347 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 05:56:06,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 05:56:06,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 05:56:06,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-30 05:56:06,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-09-30 05:56:06,395 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 05:56:06,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-30 05:56:06,417 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;@163eaef7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 05:56:06,417 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 05:56:06,655 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 05:56:06,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 05:56:06,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1675849737, now seen corresponding path program 1 times [2022-09-30 05:56:06,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 05:56:06,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709924480] [2022-09-30 05:56:06,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 05:56:06,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 05:56:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 05:56:06,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 05:56:06,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 05:56:06,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709924480] [2022-09-30 05:56:06,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709924480] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 05:56:06,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 05:56:06,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-30 05:56:06,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720602995] [2022-09-30 05:56:06,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 05:56:06,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-30 05:56:06,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 05:56:06,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-30 05:56:06,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-30 05:56:06,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:56:06,980 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 05:56:06,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.5) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 05:56:06,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:56:07,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:56:07,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-30 05:56:07,013 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 05:56:07,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 05:56:07,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1059422857, now seen corresponding path program 1 times [2022-09-30 05:56:07,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 05:56:07,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430290011] [2022-09-30 05:56:07,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 05:56:07,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 05:56:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 05:56:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 05:56:07,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 05:56:07,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430290011] [2022-09-30 05:56:07,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430290011] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 05:56:07,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 05:56:07,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-30 05:56:07,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393044118] [2022-09-30 05:56:07,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 05:56:07,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-30 05:56:07,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 05:56:07,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-30 05:56:07,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-09-30 05:56:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:56:07,227 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 05:56:07,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.0) internal successors, (130), 6 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 05:56:07,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:56:07,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:56:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:56:12,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-30 05:56:12,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-30 05:56:12,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-30 05:56:12,455 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-09-30 05:56:12,463 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/4) [2022-09-30 05:56:12,583 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 05:56:12,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 05:56:12,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 05:56:12,603 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-30 05:56:12,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-09-30 05:56:12,630 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 05:56:12,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-30 05:56:12,632 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;@163eaef7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 05:56:12,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 05:56:12,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-30 05:56:12,653 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 05:56:12,653 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-09-30 05:56:12,658 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 05:56:12,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 05:56:12,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 05:56:12,701 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-30 05:56:12,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-09-30 05:56:12,706 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 05:56:12,706 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-30 05:56:12,707 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;@163eaef7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 05:56:12,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 05:56:13,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-30 05:56:13,163 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 05:56:13,164 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4) [2022-09-30 05:56:13,170 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 05:56:13,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 05:56:13,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 05:56:13,179 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) [2022-09-30 05:56:13,186 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 [2022-09-30 05:56:13,188 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 05:56:13,193 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-30 05:56:13,193 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;@163eaef7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 05:56:13,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 05:56:13,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-30 05:56:13,253 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 05:56:13,254 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/4) [2022-09-30 05:56:13,254 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-30 05:56:13,255 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-30 05:56:13,263 INFO L202 PluginConnector]: Adding new model popl20-threaded-sum-3.wvr.line336.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 05:56:13 BasicIcfg [2022-09-30 05:56:13,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-30 05:56:13,265 INFO L158 Benchmark]: Toolchain (without parser) took 7773.16ms. Allocated memory was 191.9MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 150.8MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 364.4MB. Max. memory is 8.0GB. [2022-09-30 05:56:13,266 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.53ms. Allocated memory is still 191.9MB. Free memory was 153.0MB in the beginning and 152.9MB in the end (delta: 61.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-30 05:56:13,266 INFO L158 Benchmark]: Boogie Preprocessor took 63.29ms. Allocated memory is still 191.9MB. Free memory was 150.7MB in the beginning and 148.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-30 05:56:13,267 INFO L158 Benchmark]: RCFGBuilder took 503.74ms. Allocated memory is still 191.9MB. Free memory was 148.3MB in the beginning and 168.1MB in the end (delta: -19.8MB). Peak memory consumption was 26.0MB. Max. memory is 8.0GB. [2022-09-30 05:56:13,267 INFO L158 Benchmark]: TraceAbstraction took 7201.87ms. Allocated memory was 191.9MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 167.3MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 379.3MB. Max. memory is 8.0GB. [2022-09-30 05:56:13,270 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 0.53ms. Allocated memory is still 191.9MB. Free memory was 153.0MB in the beginning and 152.9MB in the end (delta: 61.7kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 63.29ms. Allocated memory is still 191.9MB. Free memory was 150.7MB in the beginning and 148.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 503.74ms. Allocated memory is still 191.9MB. Free memory was 148.3MB in the beginning and 168.1MB in the end (delta: -19.8MB). Peak memory consumption was 26.0MB. Max. memory is 8.0GB. * TraceAbstraction took 7201.87ms. Allocated memory was 191.9MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 167.3MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 379.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 85, positive: 84, positive conditional: 84, 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: 359324, positive: 347134, positive conditional: 347134, positive unconditional: 0, negative: 12190, negative conditional: 12190, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 347430, positive: 347134, positive conditional: 0, positive unconditional: 347134, negative: 296, negative conditional: 0, negative unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3865, positive: 3861, positive conditional: 0, positive unconditional: 3861, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 347430, positive: 343273, positive conditional: 0, positive unconditional: 343273, negative: 292, negative conditional: 0, negative unconditional: 292, unknown: 3865, unknown conditional: 0, unknown unconditional: 3865] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 59, Positive conditional cache size: 0, Positive unconditional cache size: 59, 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: 83, positive: 82, positive conditional: 82, 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: 359324, positive: 347134, positive conditional: 347134, positive unconditional: 0, negative: 12190, negative conditional: 12190, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 347430, positive: 347134, positive conditional: 0, positive unconditional: 347134, negative: 296, negative conditional: 0, negative unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3865, positive: 3861, positive conditional: 0, positive unconditional: 3861, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 347430, positive: 343273, positive conditional: 0, positive unconditional: 343273, negative: 292, negative conditional: 0, negative unconditional: 292, unknown: 3865, unknown conditional: 0, unknown unconditional: 3865] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 59, Positive conditional cache size: 0, Positive unconditional cache size: 59, 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: 359156, positive: 346968, positive conditional: 346968, positive unconditional: 0, negative: 12188, negative conditional: 12188, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 359324, positive: 347134, positive conditional: 347134, positive unconditional: 0, negative: 12190, negative conditional: 12190, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 347430, positive: 347134, positive conditional: 0, positive unconditional: 347134, negative: 296, negative conditional: 0, negative unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3865, positive: 3861, positive conditional: 0, positive unconditional: 3861, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 347430, positive: 343273, positive conditional: 0, positive unconditional: 343273, negative: 292, negative conditional: 0, negative unconditional: 292, unknown: 3865, unknown conditional: 0, unknown unconditional: 3865] , Statistics on independence cache: Total cache size (in pairs): 3865, Positive cache size: 3861, Positive conditional cache size: 0, Positive unconditional cache size: 3861, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 11894, 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: 21191, positive: 19708, positive conditional: 19708, positive unconditional: 0, negative: 1483, negative conditional: 1483, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21191, positive: 19708, positive conditional: 19708, positive unconditional: 0, negative: 1483, negative conditional: 1483, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19734, positive: 19708, positive conditional: 0, positive unconditional: 19708, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1782, positive: 1780, positive conditional: 0, positive unconditional: 1780, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19734, positive: 17928, positive conditional: 0, positive unconditional: 17928, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 1782, unknown conditional: 0, unknown unconditional: 1782] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1780, Positive conditional cache size: 0, Positive unconditional cache size: 1780, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 1457, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 404, positive: 351, positive conditional: 351, positive unconditional: 0, negative: 53, negative conditional: 53, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 404, positive: 351, positive conditional: 351, positive unconditional: 0, negative: 53, negative conditional: 53, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 351, positive: 351, positive conditional: 0, positive unconditional: 351, 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: 351, positive: 351, positive conditional: 0, positive unconditional: 351, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 351, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 351, unknown conditional: 0, unknown unconditional: 351] , Statistics on independence cache: Total cache size (in pairs): 351, Positive cache size: 351, Positive conditional cache size: 0, Positive unconditional cache size: 351, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 53, Statistics for Abstraction: - PositiveResult [Line: 336]: 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 7 procedures, 353 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 5.5s, 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, 0.3s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 259 ConstructedInterpolants, 0 QuantifiedInterpolants, 417 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 7 procedures, 353 locations, 4 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 7 procedures, 353 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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 7 procedures, 353 locations, 4 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! [2022-09-30 05:56:13,311 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 [2022-09-30 05:56:13,513 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 [2022-09-30 05:56:13,713 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 [2022-09-30 05:56:13,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-09-30 05:56:14,114 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...