/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-03 23:28:54,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 23:28:54,877 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 23:28:54,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 23:28:54,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 23:28:54,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 23:28:54,905 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 23:28:54,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 23:28:54,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 23:28:54,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 23:28:54,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 23:28:54,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 23:28:54,909 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 23:28:54,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 23:28:54,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 23:28:54,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 23:28:54,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 23:28:54,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 23:28:54,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 23:28:54,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 23:28:54,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 23:28:54,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 23:28:54,911 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 23:28:54,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 23:28:54,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 23:28:54,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 23:28:54,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 23:28:54,912 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 23:28:54,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 23:28:54,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 23:28:54,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 23:28:54,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 23:28:54,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 23:28:54,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 23:28:54,913 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 23:28:54,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 23:28:54,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 23:28:54,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 23:28:54,914 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 23:28:54,914 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-05-03 23:28:55,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 23:28:55,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 23:28:55,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 23:28:55,079 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-03 23:28:55,080 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-03 23:28:55,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-3.wvr.bpl [2024-05-03 23:28:55,081 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-3.wvr.bpl' [2024-05-03 23:28:55,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 23:28:55,132 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-03 23:28:55,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 23:28:55,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 23:28:55,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 23:28:55,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:28:55" (1/1) ... [2024-05-03 23:28:55,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:28:55" (1/1) ... [2024-05-03 23:28:55,185 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-03 23:28:55,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 23:28:55,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 23:28:55,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 23:28:55,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 23:28:55,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:28:55" (1/1) ... [2024-05-03 23:28:55,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:28:55" (1/1) ... [2024-05-03 23:28:55,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:28:55" (1/1) ... [2024-05-03 23:28:55,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:28:55" (1/1) ... [2024-05-03 23:28:55,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:28:55" (1/1) ... [2024-05-03 23:28:55,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:28:55" (1/1) ... [2024-05-03 23:28:55,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:28:55" (1/1) ... [2024-05-03 23:28:55,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:28:55" (1/1) ... [2024-05-03 23:28:55,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 23:28:55,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 23:28:55,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 23:28:55,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 23:28:55,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:28:55" (1/1) ... [2024-05-03 23:28:55,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 23:28:55,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 23:28:55,234 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) [2024-05-03 23:28:55,255 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 [2024-05-03 23:28:55,291 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-03 23:28:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 23:28:55,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 23:28:55,291 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-03 23:28:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 23:28:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 23:28:55,292 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-03 23:28:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 23:28:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 23:28:55,292 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-05-03 23:28:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-03 23:28:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-03 23:28:55,293 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 23:28:55,330 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 23:28:55,332 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 23:28:55,411 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 23:28:55,425 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 23:28:55,425 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-03 23:28:55,426 INFO L201 PluginConnector]: Adding new model ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 11:28:55 BoogieIcfgContainer [2024-05-03 23:28:55,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 23:28:55,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 23:28:55,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 23:28:55,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 23:28:55,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:28:55" (1/2) ... [2024-05-03 23:28:55,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451ce37f and model type ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 11:28:55, skipping insertion in model container [2024-05-03 23:28:55,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 11:28:55" (2/2) ... [2024-05-03 23:28:55,432 INFO L112 eAbstractionObserver]: Analyzing ICFG ticket-3.wvr.bpl [2024-05-03 23:28:55,438 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 23:28:55,444 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 23:28:55,445 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 23:28:55,445 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 23:28:55,471 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-03 23:28:55,509 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 23:28:55,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 23:28:55,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 23:28:55,510 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) [2024-05-03 23:28:55,513 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 [2024-05-03 23:28:55,539 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 23:28:55,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 23:28:55,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-03 23:28:55,555 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;@2f0bf382, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-03 23:28:55,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-03 23:28:55,577 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-03 23:28:55,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 23:28:55,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1536484735, now seen corresponding path program 1 times [2024-05-03 23:28:55,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 23:28:55,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543690320] [2024-05-03 23:28:55,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 23:28:55,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 23:28:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 23:28:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 23:28:55,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 23:28:55,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543690320] [2024-05-03 23:28:55,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543690320] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 23:28:55,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 23:28:55,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-03 23:28:55,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536453099] [2024-05-03 23:28:55,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 23:28:55,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 23:28:55,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 23:28:55,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 23:28:55,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-05-03 23:28:55,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:55,985 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 23:28:55,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-05-03 23:28:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:56,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 23:28:56,198 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-03 23:28:56,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 23:28:56,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1491928227, now seen corresponding path program 2 times [2024-05-03 23:28:56,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 23:28:56,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110941526] [2024-05-03 23:28:56,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 23:28:56,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 23:28:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 23:28:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 23:28:56,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 23:28:56,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110941526] [2024-05-03 23:28:56,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110941526] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 23:28:56,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 23:28:56,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-03 23:28:56,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323679587] [2024-05-03 23:28:56,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 23:28:56,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 23:28:56,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 23:28:56,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 23:28:56,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-03 23:28:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:56,270 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 23:28:56,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-05-03 23:28:56,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:56,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 23:28:56,359 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-03 23:28:56,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 23:28:56,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1012600889, now seen corresponding path program 3 times [2024-05-03 23:28:56,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 23:28:56,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767454209] [2024-05-03 23:28:56,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 23:28:56,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 23:28:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 23:28:56,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 23:28:56,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 23:28:56,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767454209] [2024-05-03 23:28:56,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767454209] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 23:28:56,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 23:28:56,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 23:28:56,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084204323] [2024-05-03 23:28:56,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 23:28:56,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 23:28:56,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 23:28:56,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 23:28:56,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-03 23:28:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:56,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 23:28:56,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-05-03 23:28:56,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:56,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:56,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-03 23:28:56,498 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-03 23:28:56,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 23:28:56,499 INFO L85 PathProgramCache]: Analyzing trace with hash -470769467, now seen corresponding path program 4 times [2024-05-03 23:28:56,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 23:28:56,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499594769] [2024-05-03 23:28:56,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 23:28:56,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 23:28:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 23:28:56,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 23:28:56,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 23:28:56,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499594769] [2024-05-03 23:28:56,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499594769] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 23:28:56,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 23:28:56,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-03 23:28:56,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174442370] [2024-05-03 23:28:56,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 23:28:56,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 23:28:56,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 23:28:56,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 23:28:56,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-03 23:28:56,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:56,546 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 23:28:56,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-05-03 23:28:56,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:56,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-03 23:28:56,638 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-03 23:28:56,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 23:28:56,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1491400031, now seen corresponding path program 5 times [2024-05-03 23:28:56,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 23:28:56,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211716183] [2024-05-03 23:28:56,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 23:28:56,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 23:28:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 23:28:56,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 23:28:56,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 23:28:56,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211716183] [2024-05-03 23:28:56,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211716183] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 23:28:56,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 23:28:56,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-03 23:28:56,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884107776] [2024-05-03 23:28:56,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 23:28:56,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 23:28:56,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 23:28:56,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 23:28:56,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-03 23:28:56,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:56,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 23:28:56,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-05-03 23:28:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:56,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:56,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-03 23:28:56,797 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-03 23:28:56,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 23:28:56,798 INFO L85 PathProgramCache]: Analyzing trace with hash 879871125, now seen corresponding path program 6 times [2024-05-03 23:28:56,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 23:28:56,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133314543] [2024-05-03 23:28:56,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 23:28:56,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 23:28:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 23:28:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 23:28:56,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 23:28:56,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133314543] [2024-05-03 23:28:56,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133314543] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 23:28:56,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 23:28:56,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 23:28:56,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990280304] [2024-05-03 23:28:56,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 23:28:56,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 23:28:56,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 23:28:56,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 23:28:56,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-03 23:28:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:56,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 23:28:56,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-05-03 23:28:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:56,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-03 23:28:56,987 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-03 23:28:56,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 23:28:56,988 INFO L85 PathProgramCache]: Analyzing trace with hash -63748289, now seen corresponding path program 7 times [2024-05-03 23:28:56,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 23:28:56,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134481842] [2024-05-03 23:28:56,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 23:28:56,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 23:28:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 23:28:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 23:28:57,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 23:28:57,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134481842] [2024-05-03 23:28:57,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134481842] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 23:28:57,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 23:28:57,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 23:28:57,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437111231] [2024-05-03 23:28:57,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 23:28:57,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 23:28:57,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 23:28:57,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 23:28:57,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-05-03 23:28:57,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:57,060 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 23:28:57,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-05-03 23:28:57,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:57,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-03 23:28:57,228 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-03 23:28:57,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 23:28:57,228 INFO L85 PathProgramCache]: Analyzing trace with hash -651321557, now seen corresponding path program 8 times [2024-05-03 23:28:57,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 23:28:57,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920415522] [2024-05-03 23:28:57,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 23:28:57,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 23:28:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 23:28:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 23:28:57,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 23:28:57,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920415522] [2024-05-03 23:28:57,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920415522] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 23:28:57,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 23:28:57,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 23:28:57,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791155261] [2024-05-03 23:28:57,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 23:28:57,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 23:28:57,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 23:28:57,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 23:28:57,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-03 23:28:57,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:57,271 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 23:28:57,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-05-03 23:28:57,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:57,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 23:28:57,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-03 23:28:57,409 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-03 23:28:57,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 23:28:57,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1962564319, now seen corresponding path program 9 times [2024-05-03 23:28:57,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 23:28:57,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615786333] [2024-05-03 23:28:57,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 23:28:57,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 23:28:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 23:28:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 23:28:57,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 23:28:57,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615786333] [2024-05-03 23:28:57,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615786333] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 23:28:57,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 23:28:57,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 23:28:57,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823483520] [2024-05-03 23:28:57,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 23:28:57,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 23:28:57,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 23:28:57,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 23:28:57,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-03 23:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:57,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 23:28:57,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-05-03 23:28:57,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 23:28:57,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 23:28:57,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 23:28:57,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 23:28:57,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 23:28:57,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 23:28:57,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-05-03 23:28:57,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-03 23:28:57,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-03 23:28:57,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-03 23:28:57,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-05-03 23:28:57,573 INFO L448 BasicCegarLoop]: Path program histogram: [9] [2024-05-03 23:28:57,575 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 23:28:57,575 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 23:28:57,578 INFO L201 PluginConnector]: Adding new model ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 11:28:57 BasicIcfg [2024-05-03 23:28:57,578 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 23:28:57,578 INFO L158 Benchmark]: Toolchain (without parser) took 2446.24ms. Allocated memory was 173.0MB in the beginning and 247.5MB in the end (delta: 74.4MB). Free memory was 151.1MB in the beginning and 183.3MB in the end (delta: -32.2MB). Peak memory consumption was 42.7MB. Max. memory is 8.0GB. [2024-05-03 23:28:57,579 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 173.0MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 23:28:57,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.94ms. Allocated memory is still 173.0MB. Free memory was 151.0MB in the beginning and 150.3MB in the end (delta: 663.1kB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2024-05-03 23:28:57,579 INFO L158 Benchmark]: Boogie Preprocessor took 13.50ms. Allocated memory is still 173.0MB. Free memory was 150.3MB in the beginning and 149.3MB in the end (delta: 984.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 23:28:57,579 INFO L158 Benchmark]: RCFGBuilder took 223.24ms. Allocated memory is still 173.0MB. Free memory was 149.3MB in the beginning and 138.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-05-03 23:28:57,579 INFO L158 Benchmark]: TraceAbstraction took 2150.28ms. Allocated memory was 173.0MB in the beginning and 247.5MB in the end (delta: 74.4MB). Free memory was 137.7MB in the beginning and 183.3MB in the end (delta: -45.7MB). Peak memory consumption was 30.1MB. Max. memory is 8.0GB. [2024-05-03 23:28:57,580 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 0.10ms. Allocated memory is still 173.0MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.94ms. Allocated memory is still 173.0MB. Free memory was 151.0MB in the beginning and 150.3MB in the end (delta: 663.1kB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.50ms. Allocated memory is still 173.0MB. Free memory was 150.3MB in the beginning and 149.3MB in the end (delta: 984.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 223.24ms. Allocated memory is still 173.0MB. Free memory was 149.3MB in the beginning and 138.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 2150.28ms. Allocated memory was 173.0MB in the beginning and 247.5MB in the end (delta: 74.4MB). Free memory was 137.7MB in the beginning and 183.3MB in the end (delta: -45.7MB). Peak memory consumption was 30.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3974, independent: 3798, independent conditional: 3798, independent unconditional: 0, dependent: 176, dependent conditional: 176, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3974, independent: 3798, independent conditional: 3798, independent unconditional: 0, dependent: 176, dependent conditional: 176, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3974, independent: 3798, independent conditional: 3798, independent unconditional: 0, dependent: 176, dependent conditional: 176, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3974, independent: 3798, independent conditional: 3798, independent unconditional: 0, dependent: 176, dependent conditional: 176, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4782, independent: 3798, independent conditional: 242, independent unconditional: 3556, dependent: 984, dependent conditional: 655, dependent unconditional: 329, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4782, independent: 3798, independent conditional: 206, independent unconditional: 3592, dependent: 984, dependent conditional: 507, dependent unconditional: 477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4782, independent: 3798, independent conditional: 206, independent unconditional: 3592, dependent: 984, dependent conditional: 507, dependent unconditional: 477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 274, independent: 163, independent conditional: 28, independent unconditional: 135, dependent: 111, dependent conditional: 102, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 274, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 126, dependent conditional: 0, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 126, independent: 15, independent conditional: 8, independent unconditional: 7, dependent: 111, dependent conditional: 102, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 126, independent: 15, independent conditional: 8, independent unconditional: 7, dependent: 111, dependent conditional: 102, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, independent: 59, independent conditional: 3, independent unconditional: 55, dependent: 171, dependent conditional: 156, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4782, independent: 3635, independent conditional: 178, independent unconditional: 3457, dependent: 873, dependent conditional: 405, dependent unconditional: 468, unknown: 274, unknown conditional: 130, unknown unconditional: 144] , Statistics on independence cache: Total cache size (in pairs): 274, Positive cache size: 163, Positive conditional cache size: 28, Positive unconditional cache size: 135, Negative cache size: 111, Negative conditional cache size: 102, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 184, Maximal queried relation: 9, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4782, independent: 3798, independent conditional: 242, independent unconditional: 3556, dependent: 984, dependent conditional: 655, dependent unconditional: 329, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4782, independent: 3798, independent conditional: 206, independent unconditional: 3592, dependent: 984, dependent conditional: 507, dependent unconditional: 477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4782, independent: 3798, independent conditional: 206, independent unconditional: 3592, dependent: 984, dependent conditional: 507, dependent unconditional: 477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 274, independent: 163, independent conditional: 28, independent unconditional: 135, dependent: 111, dependent conditional: 102, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 274, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 126, dependent conditional: 0, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 126, independent: 15, independent conditional: 8, independent unconditional: 7, dependent: 111, dependent conditional: 102, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 126, independent: 15, independent conditional: 8, independent unconditional: 7, dependent: 111, dependent conditional: 102, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, independent: 59, independent conditional: 3, independent unconditional: 55, dependent: 171, dependent conditional: 156, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4782, independent: 3635, independent conditional: 178, independent unconditional: 3457, dependent: 873, dependent conditional: 405, dependent unconditional: 468, unknown: 274, unknown conditional: 130, unknown unconditional: 144] , Statistics on independence cache: Total cache size (in pairs): 274, Positive cache size: 163, Positive conditional cache size: 28, Positive unconditional cache size: 135, Negative cache size: 111, Negative conditional cache size: 102, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 184 ], Independence queries for same thread: 0 - PositiveResult [Line: 65]: 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 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 569 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-03 23:28:57,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-03 23:28:57,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...