/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 50 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy6.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 08:06:33,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 08:06:33,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 08:06:33,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 08:06:33,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 08:06:33,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 08:06:33,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 08:06:33,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 08:06:33,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 08:06:33,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 08:06:33,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 08:06:33,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 08:06:33,105 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 08:06:33,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 08:06:33,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 08:06:33,105 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 08:06:33,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 08:06:33,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 08:06:33,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 08:06:33,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 08:06:33,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 08:06:33,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 08:06:33,107 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 08:06:33,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 08:06:33,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 08:06:33,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 08:06:33,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 08:06:33,108 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 08:06:33,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 08:06:33,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 08:06:33,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 08:06:33,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 08:06:33,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 08:06:33,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 08:06:33,109 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 08:06:33,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 08:06:33,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 08:06:33,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 08:06:33,110 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 08:06:33,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 50 [2024-05-04 08:06:33,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 08:06:33,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 08:06:33,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 08:06:33,354 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-04 08:06:33,363 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-04 08:06:33,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy6.wvr.bpl [2024-05-04 08:06:33,364 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy6.wvr.bpl' [2024-05-04 08:06:33,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 08:06:33,411 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-04 08:06:33,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 08:06:33,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 08:06:33,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 08:06:33,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 08:06:33" (1/1) ... [2024-05-04 08:06:33,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 08:06:33" (1/1) ... [2024-05-04 08:06:33,445 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-04 08:06:33,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 08:06:33,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 08:06:33,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 08:06:33,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 08:06:33,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 08:06:33" (1/1) ... [2024-05-04 08:06:33,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 08:06:33" (1/1) ... [2024-05-04 08:06:33,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 08:06:33" (1/1) ... [2024-05-04 08:06:33,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 08:06:33" (1/1) ... [2024-05-04 08:06:33,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 08:06:33" (1/1) ... [2024-05-04 08:06:33,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 08:06:33" (1/1) ... [2024-05-04 08:06:33,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 08:06:33" (1/1) ... [2024-05-04 08:06:33,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 08:06:33" (1/1) ... [2024-05-04 08:06:33,464 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 08:06:33,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 08:06:33,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 08:06:33,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 08:06:33,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 08:06:33" (1/1) ... [2024-05-04 08:06:33,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 08:06:33,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 08:06:33,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-04 08:06:33,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-04 08:06:33,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-04 08:06:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 08:06:33,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 08:06:33,540 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-04 08:06:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 08:06:33,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 08:06:33,540 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-04 08:06:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 08:06:33,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 08:06:33,541 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 08:06:33,579 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 08:06:33,580 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 08:06:33,680 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 08:06:33,687 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 08:06:33,688 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-04 08:06:33,689 INFO L201 PluginConnector]: Adding new model easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:06:33 BoogieIcfgContainer [2024-05-04 08:06:33,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 08:06:33,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 08:06:33,691 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 08:06:33,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 08:06:33,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 08:06:33" (1/2) ... [2024-05-04 08:06:33,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457e31eb and model type easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:06:33, skipping insertion in model container [2024-05-04 08:06:33,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:06:33" (2/2) ... [2024-05-04 08:06:33,697 INFO L112 eAbstractionObserver]: Analyzing ICFG easy6.wvr.bpl [2024-05-04 08:06:33,703 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 08:06:33,710 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 08:06:33,710 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 08:06:33,710 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 08:06:33,748 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-04 08:06:33,785 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 08:06:33,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 08:06:33,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 08:06:33,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-04 08:06:33,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-04 08:06:33,821 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 08:06:33,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 08:06:33,833 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 08:06:33,838 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=LoopHeads, 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;@3fb22e3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=50, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-04 08:06:33,838 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-04 08:06:33,862 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 08:06:33,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 08:06:33,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1840906469, now seen corresponding path program 1 times [2024-05-04 08:06:33,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 08:06:33,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656868603] [2024-05-04 08:06:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:33,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:34,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:34,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 08:06:34,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656868603] [2024-05-04 08:06:34,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656868603] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 08:06:34,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 08:06:34,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-04 08:06:34,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563561706] [2024-05-04 08:06:34,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 08:06:34,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-04 08:06:34,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 08:06:34,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-04 08:06:34,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-04 08:06:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 08:06:34,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 08:06:34,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-05-04 08:06:34,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 08:06:34,390 INFO L85 PathProgramCache]: Analyzing trace with hash 917673723, now seen corresponding path program 1 times [2024-05-04 08:06:34,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:34,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:34,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 08:06:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:34,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1605207241, now seen corresponding path program 1 times [2024-05-04 08:06:34,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:34,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:34,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:34,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:34,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-04 08:06:34,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-05-04 08:06:35,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1962957320, now seen corresponding path program 1 times [2024-05-04 08:06:35,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:35,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:35,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 08:06:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:35,332 INFO L85 PathProgramCache]: Analyzing trace with hash 376435312, now seen corresponding path program 1 times [2024-05-04 08:06:35,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:35,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:35,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:35,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:35,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 08:06:35,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-05-04 08:06:35,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1962957320, now seen corresponding path program 2 times [2024-05-04 08:06:35,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:35,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:35,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 08:06:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:35,818 INFO L85 PathProgramCache]: Analyzing trace with hash -80555775, now seen corresponding path program 2 times [2024-05-04 08:06:35,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:35,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:35,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:35,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:36,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-04 08:06:36,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2024-05-04 08:06:36,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1962957320, now seen corresponding path program 3 times [2024-05-04 08:06:36,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:36,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 08:06:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:36,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1106056913, now seen corresponding path program 1 times [2024-05-04 08:06:36,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:36,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:36,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:36,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:36,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 08:06:36,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=793, Unknown=0, NotChecked=0, Total=992 [2024-05-04 08:06:36,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1962957320, now seen corresponding path program 4 times [2024-05-04 08:06:36,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:36,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:36,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 08:06:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:36,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 08:06:36,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13 [2024-05-04 08:06:36,695 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 08:06:36,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 08:06:36,695 INFO L85 PathProgramCache]: Analyzing trace with hash -2118905815, now seen corresponding path program 2 times [2024-05-04 08:06:36,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 08:06:36,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481562287] [2024-05-04 08:06:36,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:36,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:36,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:36,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 08:06:36,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481562287] [2024-05-04 08:06:36,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481562287] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 08:06:36,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 08:06:36,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-04 08:06:36,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3978690] [2024-05-04 08:06:36,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 08:06:36,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-04 08:06:36,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 08:06:36,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-04 08:06:36,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-04 08:06:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 08:06:36,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 08:06:36,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-05-04 08:06:36,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 08:06:36,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 08:06:36,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1962957320, now seen corresponding path program 5 times [2024-05-04 08:06:36,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:36,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:36,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 08:06:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:37,040 INFO L85 PathProgramCache]: Analyzing trace with hash 376445242, now seen corresponding path program 1 times [2024-05-04 08:06:37,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:37,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:37,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:37,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:37,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 08:06:37,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1181, Unknown=0, NotChecked=0, Total=1406 [2024-05-04 08:06:37,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1962957320, now seen corresponding path program 6 times [2024-05-04 08:06:37,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:37,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:37,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 08:06:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:37,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1962936580, now seen corresponding path program 1 times [2024-05-04 08:06:37,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:37,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:37,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 08:06:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:37,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 08:06:37,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 08:06:37,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-04 08:06:37,473 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 08:06:37,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 08:06:37,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1726056909, now seen corresponding path program 3 times [2024-05-04 08:06:37,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 08:06:37,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537460445] [2024-05-04 08:06:37,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:37,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 08:06:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 08:06:37,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 08:06:37,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537460445] [2024-05-04 08:06:37,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537460445] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 08:06:37,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 08:06:37,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-04 08:06:37,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946553899] [2024-05-04 08:06:37,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 08:06:37,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-04 08:06:37,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 08:06:37,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-04 08:06:37,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-05-04 08:06:37,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 08:06:37,515 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 08:06:37,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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) [2024-05-04 08:06:37,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 08:06:37,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 08:06:37,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 08:06:37,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1962957320, now seen corresponding path program 7 times [2024-05-04 08:06:37,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 08:06:37,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 08:06:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:37,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 08:06:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 08:06:37,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 08:06:37,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 08:06:37,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 08:06:37,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-05-04 08:06:37,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-04 08:06:37,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-04 08:06:37,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable21 [2024-05-04 08:06:37,978 INFO L448 BasicCegarLoop]: Path program histogram: [7, 3, 2, 1, 1, 1, 1, 1] [2024-05-04 08:06:37,980 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-04 08:06:37,980 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-04 08:06:37,982 INFO L201 PluginConnector]: Adding new model easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 08:06:37 BasicIcfg [2024-05-04 08:06:37,983 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-04 08:06:37,983 INFO L158 Benchmark]: Toolchain (without parser) took 4571.97ms. Allocated memory was 183.5MB in the beginning and 286.3MB in the end (delta: 102.8MB). Free memory was 155.5MB in the beginning and 100.0MB in the end (delta: 55.5MB). Peak memory consumption was 158.7MB. Max. memory is 8.0GB. [2024-05-04 08:06:37,983 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 183.5MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 08:06:37,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.41ms. Allocated memory is still 183.5MB. Free memory was 155.5MB in the beginning and 154.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-04 08:06:37,984 INFO L158 Benchmark]: Boogie Preprocessor took 16.25ms. Allocated memory is still 183.5MB. Free memory was 154.0MB in the beginning and 152.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-04 08:06:37,984 INFO L158 Benchmark]: RCFGBuilder took 223.87ms. Allocated memory is still 183.5MB. Free memory was 152.9MB in the beginning and 142.6MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-05-04 08:06:37,984 INFO L158 Benchmark]: TraceAbstraction took 4291.97ms. Allocated memory was 183.5MB in the beginning and 286.3MB in the end (delta: 102.8MB). Free memory was 141.4MB in the beginning and 100.0MB in the end (delta: 41.4MB). Peak memory consumption was 145.0MB. Max. memory is 8.0GB. [2024-05-04 08:06:37,985 INFO L338 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 0.16ms. Allocated memory is still 183.5MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.41ms. Allocated memory is still 183.5MB. Free memory was 155.5MB in the beginning and 154.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.25ms. Allocated memory is still 183.5MB. Free memory was 154.0MB in the beginning and 152.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 223.87ms. Allocated memory is still 183.5MB. Free memory was 152.9MB in the beginning and 142.6MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 4291.97ms. Allocated memory was 183.5MB in the beginning and 286.3MB in the end (delta: 102.8MB). Free memory was 141.4MB in the beginning and 100.0MB in the end (delta: 41.4MB). Peak memory consumption was 145.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1753, independent: 1658, independent conditional: 1647, independent unconditional: 11, dependent: 95, dependent conditional: 95, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1753, independent: 1658, independent conditional: 1647, independent unconditional: 11, dependent: 95, dependent conditional: 95, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1753, independent: 1658, independent conditional: 1647, independent unconditional: 11, dependent: 95, dependent conditional: 95, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1753, independent: 1658, independent conditional: 1647, independent unconditional: 11, dependent: 95, dependent conditional: 95, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2058, independent: 1658, independent conditional: 805, independent unconditional: 853, dependent: 400, dependent conditional: 301, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2058, independent: 1658, independent conditional: 454, independent unconditional: 1204, dependent: 400, dependent conditional: 163, dependent unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2058, independent: 1658, independent conditional: 454, independent unconditional: 1204, dependent: 400, dependent conditional: 163, dependent unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 237, independent: 189, independent conditional: 55, independent unconditional: 134, dependent: 48, dependent conditional: 35, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 237, independent: 183, independent conditional: 0, independent unconditional: 183, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 54, independent: 6, independent conditional: 2, independent unconditional: 4, dependent: 48, dependent conditional: 35, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 6, independent conditional: 2, independent unconditional: 4, dependent: 48, dependent conditional: 35, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, independent: 6, independent conditional: 2, independent unconditional: 3, dependent: 104, dependent conditional: 64, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2058, independent: 1469, independent conditional: 399, independent unconditional: 1070, dependent: 352, dependent conditional: 128, dependent unconditional: 224, unknown: 237, unknown conditional: 90, unknown unconditional: 147] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 189, Positive conditional cache size: 55, Positive unconditional cache size: 134, Negative cache size: 48, Negative conditional cache size: 35, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 489, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2058, independent: 1658, independent conditional: 805, independent unconditional: 853, dependent: 400, dependent conditional: 301, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2058, independent: 1658, independent conditional: 454, independent unconditional: 1204, dependent: 400, dependent conditional: 163, dependent unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2058, independent: 1658, independent conditional: 454, independent unconditional: 1204, dependent: 400, dependent conditional: 163, dependent unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 237, independent: 189, independent conditional: 55, independent unconditional: 134, dependent: 48, dependent conditional: 35, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 237, independent: 183, independent conditional: 0, independent unconditional: 183, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 54, independent: 6, independent conditional: 2, independent unconditional: 4, dependent: 48, dependent conditional: 35, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 6, independent conditional: 2, independent unconditional: 4, dependent: 48, dependent conditional: 35, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, independent: 6, independent conditional: 2, independent unconditional: 3, dependent: 104, dependent conditional: 64, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2058, independent: 1469, independent conditional: 399, independent unconditional: 1070, dependent: 352, dependent conditional: 128, dependent unconditional: 224, unknown: 237, unknown conditional: 90, unknown unconditional: 147] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 189, Positive conditional cache size: 55, Positive unconditional cache size: 134, Negative cache size: 48, Negative conditional cache size: 35, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 489 ], Independence queries for same thread: 0 - PositiveResult [Line: 60]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 3.7s, 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: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 2.9s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 5, ConditionalCommutativityConditionCalculations: 47, ConditionalCommutativityTraceChecks: 14, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-04 08:06:37,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-04 08:06:38,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...