/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 SLEEP_SET -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 [2024-05-03 21:54:40,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 21:54:40,198 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 21:54:40,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 21:54:40,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 21:54:40,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 21:54:40,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 21:54:40,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 21:54:40,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 21:54:40,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 21:54:40,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 21:54:40,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 21:54:40,232 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 21:54:40,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 21:54:40,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 21:54:40,233 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 21:54:40,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 21:54:40,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 21:54:40,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 21:54:40,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 21:54:40,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 21:54:40,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 21:54:40,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 21:54:40,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 21:54:40,236 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 21:54:40,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 21:54:40,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 21:54:40,237 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 21:54:40,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 21:54:40,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 21:54:40,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 21:54:40,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 21:54:40,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 21:54:40,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 21:54:40,238 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 21:54:40,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 21:54:40,239 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 21:54:40,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 21:54:40,239 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 21:54:40,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-05-03 21:54:40,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 21:54:40,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 21:54:40,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 21:54:40,489 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-03 21:54:40,489 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-03 21:54:40,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy6.wvr.bpl [2024-05-03 21:54:40,490 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy6.wvr.bpl' [2024-05-03 21:54:40,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 21:54:40,551 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-03 21:54:40,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 21:54:40,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 21:54:40,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 21:54:40,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:54:40" (1/1) ... [2024-05-03 21:54:40,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:54:40" (1/1) ... [2024-05-03 21:54:40,582 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-03 21:54:40,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 21:54:40,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 21:54:40,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 21:54:40,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 21:54:40,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:54:40" (1/1) ... [2024-05-03 21:54:40,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:54:40" (1/1) ... [2024-05-03 21:54:40,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:54:40" (1/1) ... [2024-05-03 21:54:40,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:54:40" (1/1) ... [2024-05-03 21:54:40,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:54:40" (1/1) ... [2024-05-03 21:54:40,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:54:40" (1/1) ... [2024-05-03 21:54:40,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:54:40" (1/1) ... [2024-05-03 21:54:40,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:54:40" (1/1) ... [2024-05-03 21:54:40,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 21:54:40,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 21:54:40,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 21:54:40,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 21:54:40,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:54:40" (1/1) ... [2024-05-03 21:54:40,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 21:54:40,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 21:54:40,631 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 21:54:40,655 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 21:54:40,675 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-03 21:54:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 21:54:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 21:54:40,676 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-03 21:54:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 21:54:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 21:54:40,676 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-03 21:54:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 21:54:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 21:54:40,677 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 21:54:40,718 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 21:54:40,720 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 21:54:40,872 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 21:54:40,880 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 21:54:40,880 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-03 21:54:40,884 INFO L201 PluginConnector]: Adding new model easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 09:54:40 BoogieIcfgContainer [2024-05-03 21:54:40,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 21:54:40,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 21:54:40,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 21:54:40,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 21:54:40,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:54:40" (1/2) ... [2024-05-03 21:54:40,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454c1695 and model type easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 09:54:40, skipping insertion in model container [2024-05-03 21:54:40,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 09:54:40" (2/2) ... [2024-05-03 21:54:40,891 INFO L112 eAbstractionObserver]: Analyzing ICFG easy6.wvr.bpl [2024-05-03 21:54:40,897 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 21:54:40,904 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 21:54:40,904 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 21:54:40,904 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 21:54:40,958 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-03 21:54:40,995 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 21:54:40,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 21:54:40,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 21:54:40,999 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 21:54:41,005 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 21:54:41,040 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 21:54:41,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 21:54:41,062 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-03 21:54:41,067 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;@55877922, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-03 21:54:41,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-03 21:54:41,105 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 21:54:41,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 21:54:41,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1840906469, now seen corresponding path program 1 times [2024-05-03 21:54:41,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 21:54:41,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557497486] [2024-05-03 21:54:41,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:41,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 21:54:41,404 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 21:54:41,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 21:54:41,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557497486] [2024-05-03 21:54:41,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557497486] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 21:54:41,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 21:54:41,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 21:54:41,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807626239] [2024-05-03 21:54:41,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 21:54:41,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 21:54:41,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 21:54:41,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 21:54:41,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-03 21:54:41,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:41,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 21:54:41,449 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) [2024-05-03 21:54:41,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:41,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 21:54:41,607 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 21:54:41,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 21:54:41,608 INFO L85 PathProgramCache]: Analyzing trace with hash -538745667, now seen corresponding path program 2 times [2024-05-03 21:54:41,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 21:54:41,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286039687] [2024-05-03 21:54:41,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:41,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 21:54:41,744 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 21:54:41,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 21:54:41,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286039687] [2024-05-03 21:54:41,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286039687] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 21:54:41,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 21:54:41,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-03 21:54:41,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753218779] [2024-05-03 21:54:41,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 21:54:41,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 21:54:41,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 21:54:41,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 21:54:41,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-05-03 21:54:41,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:41,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 21:54:41,752 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) [2024-05-03 21:54:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:41,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:41,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:41,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 21:54:41,932 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 21:54:41,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 21:54:41,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1239985125, now seen corresponding path program 3 times [2024-05-03 21:54:41,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 21:54:41,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446749786] [2024-05-03 21:54:41,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:41,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 21:54:41,960 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 21:54:41,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 21:54:41,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446749786] [2024-05-03 21:54:41,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446749786] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 21:54:41,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 21:54:41,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-03 21:54:41,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378708366] [2024-05-03 21:54:41,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 21:54:41,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-03 21:54:41,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 21:54:42,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1962957320, now seen corresponding path program 1 times [2024-05-03 21:54:42,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:42,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 21:54:42,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 21:54:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 21:54:42,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-03 21:54:42,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-03 21:54:42,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:42,063 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 21:54:42,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 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) [2024-05-03 21:54:42,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:42,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:42,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:42,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:42,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:42,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 21:54:42,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-05-03 21:54:42,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 21:54:42,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 21:54:42,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1903000057, now seen corresponding path program 4 times [2024-05-03 21:54:42,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 21:54:42,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587547647] [2024-05-03 21:54:42,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:42,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 21:54:42,217 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 21:54:42,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 21:54:42,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587547647] [2024-05-03 21:54:42,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587547647] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 21:54:42,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 21:54:42,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-05-03 21:54:42,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736169492] [2024-05-03 21:54:42,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 21:54:42,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-03 21:54:42,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 21:54:42,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1962957320, now seen corresponding path program 2 times [2024-05-03 21:54:42,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:42,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 21:54:42,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 21:54:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 21:54:42,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-03 21:54:42,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-05-03 21:54:42,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:42,295 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 21:54:42,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 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) [2024-05-03 21:54:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 21:54:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:42,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:42,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 21:54:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:42,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-05-03 21:54:42,409 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 21:54:42,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 21:54:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2118905815, now seen corresponding path program 5 times [2024-05-03 21:54:42,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 21:54:42,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542941559] [2024-05-03 21:54:42,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:42,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 21:54:42,464 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 21:54:42,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 21:54:42,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542941559] [2024-05-03 21:54:42,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542941559] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 21:54:42,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 21:54:42,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 21:54:42,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943067324] [2024-05-03 21:54:42,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 21:54:42,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 21:54:42,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 21:54:42,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1962957320, now seen corresponding path program 3 times [2024-05-03 21:54:42,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:42,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 21:54:42,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 21:54:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 21:54:42,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1106056913, now seen corresponding path program 1 times [2024-05-03 21:54:42,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:42,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 21:54:42,638 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 21:54:42,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:42,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 21:54:42,672 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 21:54:42,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-03 21:54:42,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-05-03 21:54:42,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:42,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 21:54:42,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.923076923076923) internal successors, (51), 14 states have internal predecessors, (51), 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 21:54:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:42,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 21:54:42,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:42,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:43,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:43,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:43,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 21:54:43,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:43,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-03 21:54:43,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable9 [2024-05-03 21:54:43,171 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 21:54:43,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 21:54:43,171 INFO L85 PathProgramCache]: Analyzing trace with hash -342619863, now seen corresponding path program 6 times [2024-05-03 21:54:43,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 21:54:43,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343841046] [2024-05-03 21:54:43,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:43,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 21:54:43,181 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 21:54:43,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 21:54:43,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343841046] [2024-05-03 21:54:43,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343841046] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 21:54:43,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 21:54:43,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-03 21:54:43,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246916811] [2024-05-03 21:54:43,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 21:54:43,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-03 21:54:43,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 21:54:43,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1962957320, now seen corresponding path program 4 times [2024-05-03 21:54:43,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:43,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 21:54:43,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 21:54:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 21:54:43,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-03 21:54:43,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-03 21:54:43,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:43,216 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 21:54:43,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 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) [2024-05-03 21:54:43,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:43,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:43,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 21:54:43,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:43,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-03 21:54:43,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:43,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:43,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 21:54:43,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:43,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-03 21:54:43,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 21:54:43,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11 [2024-05-03 21:54:43,301 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 21:54:43,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 21:54:43,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1726056909, now seen corresponding path program 7 times [2024-05-03 21:54:43,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 21:54:43,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343416193] [2024-05-03 21:54:43,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:43,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 21:54:43,341 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 21:54:43,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 21:54:43,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343416193] [2024-05-03 21:54:43,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343416193] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 21:54:43,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 21:54:43,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-03 21:54:43,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770246416] [2024-05-03 21:54:43,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 21:54:43,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 21:54:43,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 21:54:43,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1962936580, now seen corresponding path program 1 times [2024-05-03 21:54:43,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 21:54:43,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 21:54:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 21:54:43,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 21:54:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 21:54:43,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 21:54:43,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-03 21:54:43,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:43,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 21:54:43,377 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) [2024-05-03 21:54:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 21:54:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-03 21:54:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 21:54:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 21:54:43,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 21:54:43,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:43,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 21:54:43,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:43,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 21:54:43,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 21:54:43,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 21:54:43,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-05-03 21:54:43,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-03 21:54:43,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-03 21:54:43,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-05-03 21:54:43,590 INFO L448 BasicCegarLoop]: Path program histogram: [7, 4, 1, 1] [2024-05-03 21:54:43,592 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 21:54:43,592 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 21:54:43,595 INFO L201 PluginConnector]: Adding new model easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 09:54:43 BasicIcfg [2024-05-03 21:54:43,601 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 21:54:43,602 INFO L158 Benchmark]: Toolchain (without parser) took 3050.15ms. Allocated memory is still 290.5MB. Free memory was 265.6MB in the beginning and 163.2MB in the end (delta: 102.4MB). Peak memory consumption was 102.3MB. Max. memory is 8.0GB. [2024-05-03 21:54:43,602 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.43ms. Allocated memory is still 175.1MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 21:54:43,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.94ms. Allocated memory is still 290.5MB. Free memory was 265.6MB in the beginning and 264.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 21:54:43,604 INFO L158 Benchmark]: Boogie Preprocessor took 10.94ms. Allocated memory is still 290.5MB. Free memory was 264.0MB in the beginning and 263.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 21:54:43,605 INFO L158 Benchmark]: RCFGBuilder took 288.09ms. Allocated memory is still 290.5MB. Free memory was 263.0MB in the beginning and 253.3MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-05-03 21:54:43,605 INFO L158 Benchmark]: TraceAbstraction took 2715.09ms. Allocated memory is still 290.5MB. Free memory was 252.0MB in the beginning and 163.2MB in the end (delta: 88.9MB). Peak memory consumption was 89.8MB. Max. memory is 8.0GB. [2024-05-03 21:54:43,606 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 0.43ms. Allocated memory is still 175.1MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.94ms. Allocated memory is still 290.5MB. Free memory was 265.6MB in the beginning and 264.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.94ms. Allocated memory is still 290.5MB. Free memory was 264.0MB in the beginning and 263.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 288.09ms. Allocated memory is still 290.5MB. Free memory was 263.0MB in the beginning and 253.3MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2715.09ms. Allocated memory is still 290.5MB. Free memory was 252.0MB in the beginning and 163.2MB in the end (delta: 88.9MB). Peak memory consumption was 89.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 929, independent: 876, independent conditional: 871, independent unconditional: 5, dependent: 53, dependent conditional: 53, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 929, independent: 876, independent conditional: 871, independent unconditional: 5, dependent: 53, dependent conditional: 53, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 929, independent: 876, independent conditional: 871, independent unconditional: 5, dependent: 53, dependent conditional: 53, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 929, independent: 876, independent conditional: 871, independent unconditional: 5, dependent: 53, dependent conditional: 53, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1154, independent: 876, independent conditional: 109, independent unconditional: 767, dependent: 278, dependent conditional: 180, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1154, independent: 876, independent conditional: 67, independent unconditional: 809, dependent: 278, dependent conditional: 76, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1154, independent: 876, independent conditional: 67, independent unconditional: 809, dependent: 278, dependent conditional: 76, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 177, independent: 135, independent conditional: 14, independent unconditional: 121, dependent: 42, dependent conditional: 30, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 177, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 51, independent: 9, independent conditional: 6, independent unconditional: 3, dependent: 42, dependent conditional: 30, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 9, independent conditional: 6, independent unconditional: 3, dependent: 42, dependent conditional: 30, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, independent: 11, independent conditional: 5, independent unconditional: 5, dependent: 92, dependent conditional: 48, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1154, independent: 741, independent conditional: 53, independent unconditional: 688, dependent: 236, dependent conditional: 46, dependent unconditional: 190, unknown: 177, unknown conditional: 44, unknown unconditional: 133] , Statistics on independence cache: Total cache size (in pairs): 177, Positive cache size: 135, Positive conditional cache size: 14, Positive unconditional cache size: 121, Negative cache size: 42, Negative conditional cache size: 30, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 146, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1154, independent: 876, independent conditional: 109, independent unconditional: 767, dependent: 278, dependent conditional: 180, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1154, independent: 876, independent conditional: 67, independent unconditional: 809, dependent: 278, dependent conditional: 76, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1154, independent: 876, independent conditional: 67, independent unconditional: 809, dependent: 278, dependent conditional: 76, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 177, independent: 135, independent conditional: 14, independent unconditional: 121, dependent: 42, dependent conditional: 30, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 177, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 51, independent: 9, independent conditional: 6, independent unconditional: 3, dependent: 42, dependent conditional: 30, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 9, independent conditional: 6, independent unconditional: 3, dependent: 42, dependent conditional: 30, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, independent: 11, independent conditional: 5, independent unconditional: 5, dependent: 92, dependent conditional: 48, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1154, independent: 741, independent conditional: 53, independent unconditional: 688, dependent: 236, dependent conditional: 46, dependent unconditional: 190, unknown: 177, unknown conditional: 44, unknown unconditional: 133] , Statistics on independence cache: Total cache size (in pairs): 177, Positive cache size: 135, Positive conditional cache size: 14, Positive unconditional cache size: 121, Negative cache size: 42, Negative conditional cache size: 30, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 146 ], 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: 2.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 1.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 84, 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, 0.5s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 0.4s, ConditionalCommutativityIAIntegrations: 1, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 6, ConditionalCommutativityTraceChecks: 6, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-03 21:54:43,621 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 [2024-05-03 21:54:43,823 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...