/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/queue.line1056.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-30 05:57:10,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-30 05:57:10,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-30 05:57:10,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-30 05:57:10,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-30 05:57:10,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-30 05:57:10,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-30 05:57:10,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-30 05:57:10,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-30 05:57:10,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-30 05:57:10,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-30 05:57:10,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-30 05:57:10,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-30 05:57:10,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-30 05:57:10,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-30 05:57:10,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-30 05:57:10,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-30 05:57:10,539 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-30 05:57:10,570 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-30 05:57:10,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-30 05:57:10,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-30 05:57:10,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-30 05:57:10,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-30 05:57:10,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-30 05:57:10,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-30 05:57:10,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-30 05:57:10,573 INFO L138 SettingsManager]: * Use SBE=true [2022-09-30 05:57:10,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-30 05:57:10,573 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-30 05:57:10,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-30 05:57:10,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-30 05:57:10,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-30 05:57:10,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-30 05:57:10,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-30 05:57:10,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-30 05:57:10,574 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-30 05:57:10,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-30 05:57:10,575 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-30 05:57:10,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-30 05:57:10,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-30 05:57:10,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-30 05:57:10,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-30 05:57:10,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-30 05:57:10,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 05:57:10,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-30 05:57:10,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-30 05:57:10,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-30 05:57:10,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-30 05:57:10,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-30 05:57:10,576 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-30 05:57:10,576 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-30 05:57:10,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-30 05:57:10,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-30 05:57:10,577 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-30 05:57:10,577 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-30 05:57:10,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-30 05:57:10,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-30 05:57:10,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-30 05:57:10,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-30 05:57:10,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-30 05:57:10,844 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-30 05:57:10,845 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-30 05:57:10,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue.line1056.bpl [2022-09-30 05:57:10,846 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue.line1056.bpl' [2022-09-30 05:57:10,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-30 05:57:10,909 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-30 05:57:10,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-30 05:57:10,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-30 05:57:10,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-30 05:57:10,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue.line1056.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:57:10" (1/1) ... [2022-09-30 05:57:10,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue.line1056.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:57:10" (1/1) ... [2022-09-30 05:57:10,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue.line1056.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:57:10" (1/1) ... [2022-09-30 05:57:10,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue.line1056.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:57:10" (1/1) ... [2022-09-30 05:57:10,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue.line1056.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:57:10" (1/1) ... [2022-09-30 05:57:10,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue.line1056.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:57:10" (1/1) ... [2022-09-30 05:57:10,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue.line1056.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:57:10" (1/1) ... [2022-09-30 05:57:11,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-30 05:57:11,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-30 05:57:11,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-30 05:57:11,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-30 05:57:11,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue.line1056.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:57:10" (1/1) ... [2022-09-30 05:57:11,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 05:57:11,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 05:57:11,099 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 05:57:11,102 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 05:57:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-09-30 05:57:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-09-30 05:57:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-09-30 05:57:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-09-30 05:57:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-30 05:57:11,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-30 05:57:11,131 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 05:57:11,270 INFO L234 CfgBuilder]: Building ICFG [2022-09-30 05:57:11,272 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-30 05:57:11,915 INFO L275 CfgBuilder]: Performing block encoding [2022-09-30 05:57:11,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-30 05:57:11,942 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-09-30 05:57:11,945 INFO L202 PluginConnector]: Adding new model queue.line1056.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 05:57:11 BoogieIcfgContainer [2022-09-30 05:57:11,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-30 05:57:11,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-30 05:57:11,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-30 05:57:11,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-30 05:57:11,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue.line1056.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 05:57:10" (1/2) ... [2022-09-30 05:57:11,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25da1f6d and model type queue.line1056.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 05:57:11, skipping insertion in model container [2022-09-30 05:57:11,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue.line1056.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 05:57:11" (2/2) ... [2022-09-30 05:57:11,963 INFO L112 eAbstractionObserver]: Analyzing ICFG queue.line1056.bpl [2022-09-30 05:57:11,970 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-30 05:57:11,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-30 05:57:11,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-30 05:57:11,978 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-30 05:57:12,176 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-30 05:57:12,246 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 05:57:12,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 05:57:12,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 05:57:12,249 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 05:57:12,254 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 05:57:12,286 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 05:57:12,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-30 05:57:12,299 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;@12350f7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 05:57:12,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 05:57:12,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 05:57:12,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 05:57:12,588 INFO L85 PathProgramCache]: Analyzing trace with hash 275751090, now seen corresponding path program 1 times [2022-09-30 05:57:12,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 05:57:12,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094050281] [2022-09-30 05:57:12,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 05:57:12,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 05:57:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 05:57:13,104 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 05:57:13,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 05:57:13,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094050281] [2022-09-30 05:57:13,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094050281] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 05:57:13,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 05:57:13,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-30 05:57:13,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611427248] [2022-09-30 05:57:13,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 05:57:13,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-30 05:57:13,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 05:57:13,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-30 05:57:13,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-30 05:57:13,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:13,146 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 05:57:13,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 146.0) internal successors, (292), 2 states have internal predecessors, (292), 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 05:57:13,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:13,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:13,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-30 05:57:13,346 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 05:57:13,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 05:57:13,348 INFO L85 PathProgramCache]: Analyzing trace with hash -376943434, now seen corresponding path program 1 times [2022-09-30 05:57:13,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 05:57:13,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772144743] [2022-09-30 05:57:13,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 05:57:13,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 05:57:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 05:57:13,564 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 05:57:13,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 05:57:13,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772144743] [2022-09-30 05:57:13,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772144743] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 05:57:13,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 05:57:13,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-30 05:57:13,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471042948] [2022-09-30 05:57:13,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 05:57:13,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-30 05:57:13,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 05:57:13,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-30 05:57:13,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-30 05:57:13,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:13,569 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 05:57:13,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 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 05:57:13,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:13,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:13,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:13,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 05:57:13,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-30 05:57:13,742 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 05:57:13,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 05:57:13,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1718000077, now seen corresponding path program 1 times [2022-09-30 05:57:13,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 05:57:13,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765150998] [2022-09-30 05:57:13,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 05:57:13,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 05:57:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 05:57:13,881 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 05:57:13,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 05:57:13,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765150998] [2022-09-30 05:57:13,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765150998] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 05:57:13,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 05:57:13,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-30 05:57:13,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091263977] [2022-09-30 05:57:13,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 05:57:13,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-30 05:57:13,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 05:57:13,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-30 05:57:13,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-30 05:57:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:13,886 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 05:57:13,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 05:57:13,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:13,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-30 05:57:13,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:14,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:14,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 05:57:14,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 05:57:14,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-30 05:57:14,052 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 05:57:14,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 05:57:14,052 INFO L85 PathProgramCache]: Analyzing trace with hash -2131876075, now seen corresponding path program 1 times [2022-09-30 05:57:14,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 05:57:14,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038058009] [2022-09-30 05:57:14,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 05:57:14,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 05:57:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 05:57:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 05:57:14,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 05:57:14,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038058009] [2022-09-30 05:57:14,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038058009] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 05:57:14,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369000981] [2022-09-30 05:57:14,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 05:57:14,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 05:57:14,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 05:57:14,256 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) [2022-09-30 05:57:14,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-30 05:57:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 05:57:14,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-30 05:57:14,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 05:57:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 05:57:14,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-30 05:57:14,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 05:57:14,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369000981] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-30 05:57:14,784 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-30 05:57:14,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-09-30 05:57:14,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303365805] [2022-09-30 05:57:14,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-30 05:57:14,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-30 05:57:14,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 05:57:14,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-30 05:57:14,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-09-30 05:57:14,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:14,787 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 05:57:14,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 61.9) internal successors, (619), 10 states have internal predecessors, (619), 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 05:57:14,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:14,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-30 05:57:14,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 05:57:14,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:14,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:14,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 05:57:14,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 05:57:14,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-30 05:57:14,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-09-30 05:57:15,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-09-30 05:57:15,189 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 05:57:15,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 05:57:15,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1604538347, now seen corresponding path program 2 times [2022-09-30 05:57:15,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 05:57:15,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497279419] [2022-09-30 05:57:15,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 05:57:15,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 05:57:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 05:57:15,550 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-09-30 05:57:15,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 05:57:15,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497279419] [2022-09-30 05:57:15,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497279419] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 05:57:15,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 05:57:15,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-30 05:57:15,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155227713] [2022-09-30 05:57:15,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 05:57:15,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-30 05:57:15,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 05:57:15,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-30 05:57:15,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-30 05:57:15,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:15,554 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 05:57:15,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 106.75) internal successors, (427), 5 states have internal predecessors, (427), 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 05:57:15,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:15,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-30 05:57:15,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 05:57:15,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-30 05:57:15,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:47,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 05:57:47,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 05:57:47,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 05:57:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-30 05:57:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-30 05:57:47,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-30 05:57:47,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-30 05:57:47,955 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-09-30 05:57:47,957 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-09-30 05:57:47,979 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 05:57:47,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 05:57:47,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 05:57:47,981 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 05:57:47,982 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 05:57:47,994 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 05:57:47,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-30 05:57:47,995 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;@12350f7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 05:57:47,995 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 05:57:48,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-30 05:57:48,281 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 05:57:48,281 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-09-30 05:57:48,287 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 05:57:48,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 05:57:48,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 05:57:48,325 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 05:57:48,326 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 05:57:48,329 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 05:57:48,330 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-30 05:57:48,330 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;@12350f7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 05:57:48,330 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 05:57:48,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-30 05:57:48,349 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 05:57:48,350 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/3) [2022-09-30 05:57:48,350 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-30 05:57:48,350 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-30 05:57:48,359 INFO L202 PluginConnector]: Adding new model queue.line1056.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 05:57:48 BasicIcfg [2022-09-30 05:57:48,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-30 05:57:48,359 INFO L158 Benchmark]: Toolchain (without parser) took 37450.74ms. Allocated memory was 182.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 135.9MB in the beginning and 6.8GB in the end (delta: -6.7GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-09-30 05:57:48,360 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-30 05:57:48,360 INFO L158 Benchmark]: Boogie Preprocessor took 101.33ms. Allocated memory is still 182.5MB. Free memory was 135.9MB in the beginning and 132.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-09-30 05:57:48,360 INFO L158 Benchmark]: RCFGBuilder took 932.15ms. Allocated memory is still 182.5MB. Free memory was 132.3MB in the beginning and 125.6MB in the end (delta: 6.7MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2022-09-30 05:57:48,360 INFO L158 Benchmark]: TraceAbstraction took 36410.98ms. Allocated memory was 182.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 124.8MB in the beginning and 6.8GB in the end (delta: -6.7GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-09-30 05:57:48,361 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 0.13ms. Allocated memory is still 182.5MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 101.33ms. Allocated memory is still 182.5MB. Free memory was 135.9MB in the beginning and 132.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 932.15ms. Allocated memory is still 182.5MB. Free memory was 132.3MB in the beginning and 125.6MB in the end (delta: 6.7MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. * TraceAbstraction took 36410.98ms. Allocated memory was 182.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 124.8MB in the beginning and 6.8GB in the end (delta: -6.7GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 139, positive: 136, positive conditional: 136, 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: 1704831, positive: 1660189, positive conditional: 1660189, positive unconditional: 0, negative: 44642, negative conditional: 44642, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1666511, positive: 1660189, positive conditional: 0, positive unconditional: 1660189, negative: 6322, negative conditional: 0, negative unconditional: 6322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 44143, positive: 43938, positive conditional: 0, positive unconditional: 43938, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1666511, positive: 1616251, positive conditional: 0, positive unconditional: 1616251, negative: 6117, negative conditional: 0, negative unconditional: 6117, unknown: 44143, unknown conditional: 0, unknown unconditional: 44143] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 126, Positive conditional cache size: 0, Positive unconditional cache size: 126, 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: 594, positive: 568, positive conditional: 568, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1704831, positive: 1660189, positive conditional: 1660189, positive unconditional: 0, negative: 44642, negative conditional: 44642, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1666511, positive: 1660189, positive conditional: 0, positive unconditional: 1660189, negative: 6322, negative conditional: 0, negative unconditional: 6322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 44143, positive: 43938, positive conditional: 0, positive unconditional: 43938, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1666511, positive: 1616251, positive conditional: 0, positive unconditional: 1616251, negative: 6117, negative conditional: 0, negative unconditional: 6117, unknown: 44143, unknown conditional: 0, unknown unconditional: 44143] , Statistics on independence cache: Total cache size (in pairs): 559, Positive cache size: 559, Positive conditional cache size: 0, Positive unconditional cache size: 559, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 29, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2073, positive: 1986, positive conditional: 1986, positive unconditional: 0, negative: 87, negative conditional: 87, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1704831, positive: 1660189, positive conditional: 1660189, positive unconditional: 0, negative: 44642, negative conditional: 44642, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1666511, positive: 1660189, positive conditional: 0, positive unconditional: 1660189, negative: 6322, negative conditional: 0, negative unconditional: 6322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 44143, positive: 43938, positive conditional: 0, positive unconditional: 43938, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1666511, positive: 1616251, positive conditional: 0, positive unconditional: 1616251, negative: 6117, negative conditional: 0, negative unconditional: 6117, unknown: 44143, unknown conditional: 0, unknown unconditional: 44143] , Statistics on independence cache: Total cache size (in pairs): 1850, Positive cache size: 1850, Positive conditional cache size: 0, Positive unconditional cache size: 1850, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 116, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2177, positive: 2085, positive conditional: 2085, positive unconditional: 0, negative: 92, negative conditional: 92, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1704831, positive: 1660189, positive conditional: 1660189, positive unconditional: 0, negative: 44642, negative conditional: 44642, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1666511, positive: 1660189, positive conditional: 0, positive unconditional: 1660189, negative: 6322, negative conditional: 0, negative unconditional: 6322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 44143, positive: 43938, positive conditional: 0, positive unconditional: 43938, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1666511, positive: 1616251, positive conditional: 0, positive unconditional: 1616251, negative: 6117, negative conditional: 0, negative unconditional: 6117, unknown: 44143, unknown conditional: 0, unknown unconditional: 44143] , Statistics on independence cache: Total cache size (in pairs): 1950, Positive cache size: 1950, Positive conditional cache size: 0, Positive unconditional cache size: 1950, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 208, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2385, positive: 2283, positive conditional: 2283, positive unconditional: 0, negative: 102, negative conditional: 102, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1704831, positive: 1660189, positive conditional: 1660189, positive unconditional: 0, negative: 44642, negative conditional: 44642, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1666511, positive: 1660189, positive conditional: 0, positive unconditional: 1660189, negative: 6322, negative conditional: 0, negative unconditional: 6322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 44143, positive: 43938, positive conditional: 0, positive unconditional: 43938, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1666511, positive: 1616251, positive conditional: 0, positive unconditional: 1616251, negative: 6117, negative conditional: 0, negative unconditional: 6117, unknown: 44143, unknown conditional: 0, unknown unconditional: 44143] , Statistics on independence cache: Total cache size (in pairs): 1953, Positive cache size: 1953, Positive conditional cache size: 0, Positive unconditional cache size: 1953, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 310, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1697463, positive: 1653131, positive conditional: 1653131, positive unconditional: 0, negative: 44332, negative conditional: 44332, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1704831, positive: 1660189, positive conditional: 1660189, positive unconditional: 0, negative: 44642, negative conditional: 44642, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1666511, positive: 1660189, positive conditional: 0, positive unconditional: 1660189, negative: 6322, negative conditional: 0, negative unconditional: 6322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 44143, positive: 43938, positive conditional: 0, positive unconditional: 43938, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1666511, positive: 1616251, positive conditional: 0, positive unconditional: 1616251, negative: 6117, negative conditional: 0, negative unconditional: 6117, unknown: 44143, unknown conditional: 0, unknown unconditional: 44143] , Statistics on independence cache: Total cache size (in pairs): 44143, Positive cache size: 43938, Positive conditional cache size: 0, Positive unconditional cache size: 43938, Negative cache size: 205, Negative conditional cache size: 0, Negative unconditional cache size: 205, Independence queries for same thread: 38320, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3783, positive: 3634, positive conditional: 3634, positive unconditional: 0, negative: 149, negative conditional: 149, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3783, positive: 3634, positive conditional: 3634, positive unconditional: 0, negative: 149, negative conditional: 149, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3664, positive: 3634, positive conditional: 0, positive unconditional: 3634, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3588, positive: 3558, positive conditional: 0, positive unconditional: 3558, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3664, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3588, unknown conditional: 0, unknown unconditional: 3588] , Statistics on independence cache: Total cache size (in pairs): 3588, Positive cache size: 3558, Positive conditional cache size: 0, Positive unconditional cache size: 3558, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Independence queries for same thread: 119, 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: - PositiveResult [Line: 1056]: 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, 1032 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 35.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 33.4s, 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: 23, 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, 1.1s InterpolantComputationTime, 2428 NumberOfCodeBlocks, 2428 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 2848 ConstructedInterpolants, 0 QuantifiedInterpolants, 5518 SizeOfPredicates, 2 NumberOfNonLiveVariables, 941 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 288/291 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, 1032 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.3s, 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: 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, 1032 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! [2022-09-30 05:57:48,399 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 05:57:48,614 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 05:57:48,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-09-30 05:57:49,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...