/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/arithmetic_prog_bad.line603.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 20:20:09,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 20:20:09,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 20:20:09,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 20:20:09,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 20:20:09,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 20:20:09,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 20:20:09,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 20:20:09,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 20:20:09,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 20:20:09,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 20:20:09,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 20:20:09,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 20:20:09,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 20:20:09,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 20:20:09,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 20:20:09,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 20:20:09,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 20:20:09,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 20:20:09,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 20:20:09,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 20:20:09,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 20:20:09,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 20:20:09,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 20:20:09,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 20:20:09,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 20:20:09,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 20:20:09,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 20:20:09,641 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 20:20:09,668 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 20:20:09,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 20:20:09,669 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 20:20:09,669 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 20:20:09,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 20:20:09,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 20:20:09,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 20:20:09,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 20:20:09,670 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 20:20:09,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 20:20:09,670 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 20:20:09,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 20:20:09,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 20:20:09,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 20:20:09,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 20:20:09,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 20:20:09,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 20:20:09,671 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 20:20:09,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 20:20:09,671 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 20:20:09,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 20:20:09,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 20:20:09,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 20:20:09,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 20:20:09,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 20:20:09,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 20:20:09,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 20:20:09,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 20:20:09,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 20:20:09,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 20:20:09,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 20:20:09,672 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 20:20:09,672 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 20:20:09,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 20:20:09,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 20:20:09,672 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 20:20:09,673 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 20:20:09,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 20:20:09,673 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 20:20:09,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 20:20:09,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 20:20:09,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 20:20:09,828 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 20:20:09,829 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 20:20:09,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/arithmetic_prog_bad.line603.bpl [2022-09-29 20:20:09,830 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/arithmetic_prog_bad.line603.bpl' [2022-09-29 20:20:09,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 20:20:09,870 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 20:20:09,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 20:20:09,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 20:20:09,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 20:20:09,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:20:09" (1/1) ... [2022-09-29 20:20:09,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:20:09" (1/1) ... [2022-09-29 20:20:09,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:20:09" (1/1) ... [2022-09-29 20:20:09,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:20:09" (1/1) ... [2022-09-29 20:20:09,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:20:09" (1/1) ... [2022-09-29 20:20:09,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:20:09" (1/1) ... [2022-09-29 20:20:09,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:20:09" (1/1) ... [2022-09-29 20:20:09,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 20:20:09,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 20:20:09,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 20:20:09,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 20:20:09,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:20:09" (1/1) ... [2022-09-29 20:20:09,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 20:20:09,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 20:20:10,005 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) [2022-09-29 20:20:10,032 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 [2022-09-29 20:20:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-29 20:20:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-29 20:20:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-29 20:20:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-29 20:20:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 20:20:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 20:20:10,065 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 20:20:10,224 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 20:20:10,226 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 20:20:10,668 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 20:20:10,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 20:20:10,679 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-29 20:20:10,682 INFO L202 PluginConnector]: Adding new model arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 08:20:10 BoogieIcfgContainer [2022-09-29 20:20:10,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 20:20:10,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 20:20:10,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 20:20:10,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 20:20:10,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:20:09" (1/2) ... [2022-09-29 20:20:10,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca9ab7e and model type arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 08:20:10, skipping insertion in model container [2022-09-29 20:20:10,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 08:20:10" (2/2) ... [2022-09-29 20:20:10,700 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.line603.bpl [2022-09-29 20:20:10,705 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 20:20:10,711 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 20:20:10,711 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 20:20:10,711 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 20:20:10,810 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-29 20:20:10,871 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 20:20:10,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 20:20:10,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 20:20:10,888 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) [2022-09-29 20:20:10,895 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 [2022-09-29 20:20:10,930 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 20:20:10,935 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 20:20:10,940 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;@3071775, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 20:20:10,940 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 20:20:11,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 20:20:11,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 20:20:11,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1284342165, now seen corresponding path program 1 times [2022-09-29 20:20:11,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 20:20:11,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032370712] [2022-09-29 20:20:11,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 20:20:11,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 20:20:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 20:20:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 20:20:11,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 20:20:11,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032370712] [2022-09-29 20:20:11,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032370712] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 20:20:11,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 20:20:11,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 20:20:11,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896313869] [2022-09-29 20:20:11,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 20:20:11,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 20:20:11,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 20:20:11,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 20:20:11,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 20:20:11,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:11,608 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 20:20:11,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 110.5) internal successors, (221), 2 states have internal predecessors, (221), 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) [2022-09-29 20:20:11,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:11,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:11,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 20:20:11,648 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 20:20:11,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 20:20:11,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1267814796, now seen corresponding path program 1 times [2022-09-29 20:20:11,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 20:20:11,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978224934] [2022-09-29 20:20:11,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 20:20:11,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 20:20:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 20:20:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 20:20:11,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 20:20:11,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978224934] [2022-09-29 20:20:11,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978224934] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 20:20:11,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 20:20:11,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-29 20:20:11,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621774974] [2022-09-29 20:20:11,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 20:20:11,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-29 20:20:11,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 20:20:11,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-29 20:20:11,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-29 20:20:11,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:11,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 20:20:11,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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) [2022-09-29 20:20:11,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:11,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:11,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:11,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 20:20:11,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 20:20:11,900 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 20:20:11,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 20:20:11,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1131764733, now seen corresponding path program 1 times [2022-09-29 20:20:11,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 20:20:11,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603244447] [2022-09-29 20:20:11,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 20:20:11,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 20:20:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 20:20:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 20:20:12,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 20:20:12,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603244447] [2022-09-29 20:20:12,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603244447] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 20:20:12,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690280014] [2022-09-29 20:20:12,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 20:20:12,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 20:20:12,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 20:20:12,053 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 20:20:12,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-29 20:20:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 20:20:12,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 20:20:12,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 20:20:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 20:20:12,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 20:20:12,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 20:20:12,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690280014] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 20:20:12,374 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 20:20:12,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-09-29 20:20:12,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972368812] [2022-09-29 20:20:12,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 20:20:12,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-09-29 20:20:12,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 20:20:12,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-09-29 20:20:12,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-09-29 20:20:12,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:12,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 20:20:12,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 31.444444444444443) internal successors, (283), 9 states have internal predecessors, (283), 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) [2022-09-29 20:20:12,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:12,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 20:20:12,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:12,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:12,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 20:20:12,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 20:20:12,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-09-29 20:20:12,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-09-29 20:20:12,693 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 20:20:12,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 20:20:12,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2101753505, now seen corresponding path program 2 times [2022-09-29 20:20:12,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 20:20:12,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155765467] [2022-09-29 20:20:12,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 20:20:12,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 20:20:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 20:20:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-09-29 20:20:12,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 20:20:12,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155765467] [2022-09-29 20:20:12,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155765467] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 20:20:12,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88594319] [2022-09-29 20:20:12,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-29 20:20:12,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 20:20:12,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 20:20:12,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 20:20:12,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-29 20:20:12,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-09-29 20:20:12,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 20:20:13,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 9 conjunts are in the unsatisfiable core [2022-09-29 20:20:13,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 20:20:13,163 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-09-29 20:20:13,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 20:20:13,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88594319] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 20:20:13,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 20:20:13,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-09-29 20:20:13,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129424993] [2022-09-29 20:20:13,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 20:20:13,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-29 20:20:13,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 20:20:13,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-29 20:20:13,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-09-29 20:20:13,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:13,166 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 20:20:13,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 60.25) internal successors, (241), 5 states have internal predecessors, (241), 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) [2022-09-29 20:20:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 20:20:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 20:20:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:15,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:20:15,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 20:20:15,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 20:20:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-29 20:20:15,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 20:20:15,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-09-29 20:20:15,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 20:20:15,354 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-09-29 20:20:15,356 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-09-29 20:20:15,361 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 20:20:15,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 20:20:15,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 20:20:15,362 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) [2022-09-29 20:20:15,365 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 [2022-09-29 20:20:15,366 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 20:20:15,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-29 20:20:15,367 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;@3071775, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 20:20:15,367 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 20:20:15,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-29 20:20:15,454 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 20:20:15,454 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-09-29 20:20:15,456 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 20:20:15,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 20:20:15,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 20:20:15,498 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) [2022-09-29 20:20:15,499 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 [2022-09-29 20:20:15,517 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 20:20:15,517 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-29 20:20:15,518 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;@3071775, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 20:20:15,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 20:20:15,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-29 20:20:15,521 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 20:20:15,521 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/3) [2022-09-29 20:20:15,522 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 20:20:15,522 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 20:20:15,525 INFO L202 PluginConnector]: Adding new model arithmetic_prog_bad.line603.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 08:20:15 BasicIcfg [2022-09-29 20:20:15,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 20:20:15,526 INFO L158 Benchmark]: Toolchain (without parser) took 5656.12ms. Allocated memory was 206.6MB in the beginning and 575.7MB in the end (delta: 369.1MB). Free memory was 163.9MB in the beginning and 466.4MB in the end (delta: -302.5MB). Peak memory consumption was 66.2MB. Max. memory is 8.0GB. [2022-09-29 20:20:15,526 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 206.6MB. Free memory is still 166.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 20:20:15,526 INFO L158 Benchmark]: Boogie Preprocessor took 69.18ms. Allocated memory is still 206.6MB. Free memory was 163.9MB in the beginning and 161.1MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-29 20:20:15,526 INFO L158 Benchmark]: RCFGBuilder took 729.80ms. Allocated memory is still 206.6MB. Free memory was 161.0MB in the beginning and 166.2MB in the end (delta: -5.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-09-29 20:20:15,527 INFO L158 Benchmark]: TraceAbstraction took 4841.02ms. Allocated memory was 206.6MB in the beginning and 575.7MB in the end (delta: 369.1MB). Free memory was 165.5MB in the beginning and 466.4MB in the end (delta: -301.0MB). Peak memory consumption was 67.3MB. Max. memory is 8.0GB. [2022-09-29 20:20:15,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 206.6MB. Free memory is still 166.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 69.18ms. Allocated memory is still 206.6MB. Free memory was 163.9MB in the beginning and 161.1MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 729.80ms. Allocated memory is still 206.6MB. Free memory was 161.0MB in the beginning and 166.2MB in the end (delta: -5.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4841.02ms. Allocated memory was 206.6MB in the beginning and 575.7MB in the end (delta: 369.1MB). Free memory was 165.5MB in the beginning and 466.4MB in the end (delta: -301.0MB). Peak memory consumption was 67.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 60, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 139520, positive: 129639, positive conditional: 129639, positive unconditional: 0, negative: 9881, negative conditional: 9881, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 130343, positive: 129639, positive conditional: 0, positive unconditional: 129639, negative: 704, negative conditional: 0, negative unconditional: 704, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3472, positive: 3452, positive conditional: 0, positive unconditional: 3452, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 130343, positive: 126187, positive conditional: 0, positive unconditional: 126187, negative: 684, negative conditional: 0, negative unconditional: 684, unknown: 3472, unknown conditional: 0, unknown unconditional: 3472] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 3, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 59, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 139520, positive: 129639, positive conditional: 129639, positive unconditional: 0, negative: 9881, negative conditional: 9881, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 130343, positive: 129639, positive conditional: 0, positive unconditional: 129639, negative: 704, negative conditional: 0, negative unconditional: 704, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3472, positive: 3452, positive conditional: 0, positive unconditional: 3452, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 130343, positive: 126187, positive conditional: 0, positive unconditional: 126187, negative: 684, negative conditional: 0, negative unconditional: 684, unknown: 3472, unknown conditional: 0, unknown unconditional: 3472] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 89, positive: 80, positive conditional: 80, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 139520, positive: 129639, positive conditional: 129639, positive unconditional: 0, negative: 9881, negative conditional: 9881, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 130343, positive: 129639, positive conditional: 0, positive unconditional: 129639, negative: 704, negative conditional: 0, negative unconditional: 704, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3472, positive: 3452, positive conditional: 0, positive unconditional: 3452, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 130343, positive: 126187, positive conditional: 0, positive unconditional: 126187, negative: 684, negative conditional: 0, negative unconditional: 684, unknown: 3472, unknown conditional: 0, unknown unconditional: 3472] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 0, Positive unconditional cache size: 72, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 15, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 149, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 139520, positive: 129639, positive conditional: 129639, positive unconditional: 0, negative: 9881, negative conditional: 9881, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 130343, positive: 129639, positive conditional: 0, positive unconditional: 129639, negative: 704, negative conditional: 0, negative unconditional: 704, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3472, positive: 3452, positive conditional: 0, positive unconditional: 3452, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 130343, positive: 126187, positive conditional: 0, positive unconditional: 126187, negative: 684, negative conditional: 0, negative unconditional: 684, unknown: 3472, unknown conditional: 0, unknown unconditional: 3472] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 0, Positive unconditional cache size: 75, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 36, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 139163, positive: 129318, positive conditional: 129318, positive unconditional: 0, negative: 9845, negative conditional: 9845, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 139520, positive: 129639, positive conditional: 129639, positive unconditional: 0, negative: 9881, negative conditional: 9881, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 130343, positive: 129639, positive conditional: 0, positive unconditional: 129639, negative: 704, negative conditional: 0, negative unconditional: 704, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3472, positive: 3452, positive conditional: 0, positive unconditional: 3452, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 130343, positive: 126187, positive conditional: 0, positive unconditional: 126187, negative: 684, negative conditional: 0, negative unconditional: 684, unknown: 3472, unknown conditional: 0, unknown unconditional: 3472] , Statistics on independence cache: Total cache size (in pairs): 3472, Positive cache size: 3452, Positive conditional cache size: 0, Positive unconditional cache size: 3452, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Independence queries for same thread: 9177, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 611, positive: 533, positive conditional: 533, positive unconditional: 0, negative: 78, negative conditional: 78, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 611, positive: 533, positive conditional: 533, positive unconditional: 0, negative: 78, negative conditional: 78, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 533, positive: 533, positive conditional: 0, positive unconditional: 533, 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: 533, positive: 533, positive conditional: 0, positive unconditional: 533, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 533, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 533, unknown conditional: 0, unknown unconditional: 533] , Statistics on independence cache: Total cache size (in pairs): 533, Positive cache size: 533, Positive conditional cache size: 0, Positive unconditional cache size: 533, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 78, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - PositiveResult [Line: 603]: 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 5 procedures, 407 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.3s, 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: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1486 NumberOfCodeBlocks, 1426 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1720 ConstructedInterpolants, 0 QuantifiedInterpolants, 2338 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1234 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 113/129 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 5 procedures, 407 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 407 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-29 20:20:15,560 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 [2022-09-29 20:20:15,790 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 [2022-09-29 20:20:15,982 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 [2022-09-29 20:20:16,184 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...