/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m [2024-04-28 12:19:53,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-28 12:19:53,185 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-28 12:19:53,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-28 12:19:53,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-28 12:19:53,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-28 12:19:53,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-28 12:19:53,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-28 12:19:53,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-28 12:19:53,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-28 12:19:53,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-28 12:19:53,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-28 12:19:53,219 INFO L153 SettingsManager]: * Use SBE=true [2024-04-28 12:19:53,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-28 12:19:53,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-28 12:19:53,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-28 12:19:53,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-28 12:19:53,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-28 12:19:53,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-28 12:19:53,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-28 12:19:53,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-28 12:19:53,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-28 12:19:53,221 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-28 12:19:53,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-28 12:19:53,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-28 12:19:53,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-28 12:19:53,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-28 12:19:53,222 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-28 12:19:53,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-28 12:19:53,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 12:19:53,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-28 12:19:53,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-28 12:19:53,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-28 12:19:53,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-28 12:19:53,224 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-28 12:19:53,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-28 12:19:53,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-28 12:19:53,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-28 12:19:53,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-28 12:19:53,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-28 12:19:53,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-28 12:19:53,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-28 12:19:53,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-28 12:19:53,437 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-28 12:19:53,438 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-28 12:19:53,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2024-04-28 12:19:53,439 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2024-04-28 12:19:53,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-28 12:19:53,491 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-28 12:19:53,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-28 12:19:53,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-28 12:19:53,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-28 12:19:53,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 12:19:53" (1/1) ... [2024-04-28 12:19:53,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 12:19:53" (1/1) ... [2024-04-28 12:19:53,520 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-28 12:19:53,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-28 12:19:53,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-28 12:19:53,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-28 12:19:53,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-28 12:19:53,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 12:19:53" (1/1) ... [2024-04-28 12:19:53,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 12:19:53" (1/1) ... [2024-04-28 12:19:53,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 12:19:53" (1/1) ... [2024-04-28 12:19:53,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 12:19:53" (1/1) ... [2024-04-28 12:19:53,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 12:19:53" (1/1) ... [2024-04-28 12:19:53,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 12:19:53" (1/1) ... [2024-04-28 12:19:53,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 12:19:53" (1/1) ... [2024-04-28 12:19:53,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 12:19:53" (1/1) ... [2024-04-28 12:19:53,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-28 12:19:53,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-28 12:19:53,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-28 12:19:53,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-28 12:19:53,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 12:19:53" (1/1) ... [2024-04-28 12:19:53,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 12:19:53,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 12:19:53,580 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) [2024-04-28 12:19:53,586 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 [2024-04-28 12:19:53,618 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-28 12:19:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-28 12:19:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-28 12:19:53,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-28 12:19:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-28 12:19:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-28 12:19:53,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-28 12:19:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-28 12:19:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-28 12:19:53,619 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-28 12:19:53,655 INFO L241 CfgBuilder]: Building ICFG [2024-04-28 12:19:53,656 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-28 12:19:53,746 INFO L282 CfgBuilder]: Performing block encoding [2024-04-28 12:19:53,760 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-28 12:19:53,760 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-28 12:19:53,762 INFO L201 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 12:19:53 BoogieIcfgContainer [2024-04-28 12:19:53,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-28 12:19:53,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-28 12:19:53,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-28 12:19:53,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-28 12:19:53,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 12:19:53" (1/2) ... [2024-04-28 12:19:53,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e86ba7 and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 12:19:53, skipping insertion in model container [2024-04-28 12:19:53,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 12:19:53" (2/2) ... [2024-04-28 12:19:53,773 INFO L112 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2024-04-28 12:19:53,778 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-28 12:19:53,785 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-28 12:19:53,785 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-28 12:19:53,785 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-28 12:19:53,833 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-28 12:19:53,868 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-28 12:19:53,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-28 12:19:53,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 12:19:53,871 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) [2024-04-28 12:19:53,873 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 [2024-04-28 12:19:53,896 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-28 12:19:53,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:19:53,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-28 12:19:53,911 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;@7e47ef84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-04-28 12:19:53,911 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-28 12:19:53,941 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:19:53,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:19:53,943 INFO L85 PathProgramCache]: Analyzing trace with hash 505713686, now seen corresponding path program 1 times [2024-04-28 12:19:53,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:19:53,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139811994] [2024-04-28 12:19:53,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:19:53,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:19:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:19:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:19:54,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:19:54,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139811994] [2024-04-28 12:19:54,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139811994] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 12:19:54,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 12:19:54,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-28 12:19:54,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453507596] [2024-04-28 12:19:54,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 12:19:54,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-28 12:19:54,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:19:54,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-28 12:19:54,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-28 12:19:54,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:54,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:19:54,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-04-28 12:19:54,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:54,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-28 12:19:54,174 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:19:54,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:19:54,174 INFO L85 PathProgramCache]: Analyzing trace with hash -94193603, now seen corresponding path program 1 times [2024-04-28 12:19:54,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:19:54,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402153622] [2024-04-28 12:19:54,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:19:54,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:19:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:19:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:19:54,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:19:54,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402153622] [2024-04-28 12:19:54,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402153622] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 12:19:54,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 12:19:54,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-28 12:19:54,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24816557] [2024-04-28 12:19:54,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 12:19:54,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-28 12:19:54,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:19:54,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-28 12:19:54,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-28 12:19:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:54,203 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:19:54,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-04-28 12:19:54,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:54,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:54,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:54,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:54,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-28 12:19:54,270 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:19:54,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:19:54,270 INFO L85 PathProgramCache]: Analyzing trace with hash 434100626, now seen corresponding path program 1 times [2024-04-28 12:19:54,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:19:54,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084596511] [2024-04-28 12:19:54,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:19:54,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:19:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:19:54,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 12:19:54,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:19:54,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084596511] [2024-04-28 12:19:54,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084596511] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 12:19:54,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 12:19:54,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-28 12:19:54,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179533403] [2024-04-28 12:19:54,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 12:19:54,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 12:19:54,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:19:54,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-28 12:19:54,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-28 12:19:54,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:54,333 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:19:54,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-04-28 12:19:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:19:54,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-28 12:19:54,361 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:19:54,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:19:54,361 INFO L85 PathProgramCache]: Analyzing trace with hash -194867527, now seen corresponding path program 2 times [2024-04-28 12:19:54,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:19:54,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278159825] [2024-04-28 12:19:54,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:19:54,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:19:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:19:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:19:54,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:19:54,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278159825] [2024-04-28 12:19:54,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278159825] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 12:19:54,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729316128] [2024-04-28 12:19:54,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 12:19:54,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:19:54,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 12:19:54,731 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 12:19:54,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-28 12:19:54,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 12:19:54,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 12:19:54,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-28 12:19:54,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 12:19:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:19:55,062 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 12:19:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:19:55,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729316128] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 12:19:55,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 12:19:55,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-04-28 12:19:55,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950890578] [2024-04-28 12:19:55,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 12:19:55,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-04-28 12:19:55,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:19:55,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-04-28 12:19:55,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=655, Unknown=0, NotChecked=0, Total=812 [2024-04-28 12:19:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:55,274 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:19:55,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.0) internal successors, (58), 28 states have internal predecessors, (58), 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) [2024-04-28 12:19:55,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:55,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:55,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:19:55,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:55,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:55,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:55,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:19:55,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 12:19:55,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-28 12:19:55,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:19:55,732 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:19:55,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:19:55,733 INFO L85 PathProgramCache]: Analyzing trace with hash -816800706, now seen corresponding path program 1 times [2024-04-28 12:19:55,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:19:55,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7464073] [2024-04-28 12:19:55,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:19:55,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:19:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:19:55,757 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 12:19:55,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:19:55,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7464073] [2024-04-28 12:19:55,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7464073] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 12:19:55,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 12:19:55,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-28 12:19:55,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673755988] [2024-04-28 12:19:55,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 12:19:55,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 12:19:55,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:19:55,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-28 12:19:55,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-28 12:19:55,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:55,759 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:19:55,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-04-28 12:19:55,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:55,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:55,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:19:55,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 12:19:55,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:55,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:55,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:19:55,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 12:19:55,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:19:55,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-28 12:19:55,785 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:19:55,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:19:55,786 INFO L85 PathProgramCache]: Analyzing trace with hash 521411420, now seen corresponding path program 3 times [2024-04-28 12:19:55,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:19:55,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908208942] [2024-04-28 12:19:55,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:19:55,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:19:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:19:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:19:55,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:19:55,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908208942] [2024-04-28 12:19:55,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908208942] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 12:19:55,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717614439] [2024-04-28 12:19:55,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 12:19:55,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:19:55,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 12:19:55,961 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 12:19:55,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-28 12:19:55,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-28 12:19:55,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 12:19:56,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 25 conjunts are in the unsatisfiable core [2024-04-28 12:19:56,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 12:19:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:19:56,233 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 12:19:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:19:56,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717614439] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 12:19:56,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 12:19:56,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-04-28 12:19:56,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291874834] [2024-04-28 12:19:56,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 12:19:56,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-04-28 12:19:56,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:19:56,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-04-28 12:19:56,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=672, Unknown=0, NotChecked=0, Total=812 [2024-04-28 12:19:56,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:56,454 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:19:56,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.206896551724138) internal successors, (64), 28 states have internal predecessors, (64), 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) [2024-04-28 12:19:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:19:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 12:19:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:19:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:57,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:57,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:57,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:19:57,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-28 12:19:57,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:19:57,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-28 12:19:57,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-28 12:19:57,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:19:57,438 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:19:57,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:19:57,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1651598781, now seen corresponding path program 4 times [2024-04-28 12:19:57,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:19:57,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353203200] [2024-04-28 12:19:57,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:19:57,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:19:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:19:57,609 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-28 12:19:57,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:19:57,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353203200] [2024-04-28 12:19:57,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353203200] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 12:19:57,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364998139] [2024-04-28 12:19:57,610 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-28 12:19:57,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:19:57,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 12:19:57,611 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 12:19:57,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-28 12:19:57,645 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-28 12:19:57,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 12:19:57,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 25 conjunts are in the unsatisfiable core [2024-04-28 12:19:57,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 12:19:57,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:19:57,991 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 12:19:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:19:58,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364998139] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 12:19:58,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 12:19:58,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 37 [2024-04-28 12:19:58,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944502459] [2024-04-28 12:19:58,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 12:19:58,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-04-28 12:19:58,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:19:58,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-04-28 12:19:58,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1175, Unknown=0, NotChecked=0, Total=1406 [2024-04-28 12:19:58,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:58,283 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:19:58,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.8157894736842106) internal successors, (69), 37 states have internal predecessors, (69), 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) [2024-04-28 12:19:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:19:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-28 12:19:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:19:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-28 12:19:58,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:19:59,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:59,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:19:59,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:19:59,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-28 12:19:59,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:19:59,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-28 12:19:59,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 12:19:59,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-28 12:19:59,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:19:59,533 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:19:59,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:19:59,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1154040160, now seen corresponding path program 5 times [2024-04-28 12:19:59,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:19:59,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897491139] [2024-04-28 12:19:59,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:19:59,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:19:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:19:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-28 12:19:59,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:19:59,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897491139] [2024-04-28 12:19:59,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897491139] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 12:19:59,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304168160] [2024-04-28 12:19:59,681 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-28 12:19:59,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:19:59,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 12:19:59,684 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 12:19:59,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-28 12:19:59,718 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-28 12:19:59,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 12:19:59,718 WARN L260 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-28 12:19:59,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 12:20:00,012 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:20:00,013 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 12:20:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:20:00,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304168160] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 12:20:00,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 12:20:00,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 37 [2024-04-28 12:20:00,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472102280] [2024-04-28 12:20:00,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 12:20:00,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-04-28 12:20:00,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:20:00,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-04-28 12:20:00,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1228, Unknown=0, NotChecked=0, Total=1406 [2024-04-28 12:20:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:20:00,318 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:20:00,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.9210526315789473) internal successors, (73), 37 states have internal predecessors, (73), 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) [2024-04-28 12:20:00,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:00,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:00,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:00,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-28 12:20:00,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:20:00,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-28 12:20:00,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 12:20:00,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:20:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-28 12:20:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:20:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-28 12:20:02,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-28 12:20:02,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-28 12:20:02,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-28 12:20:02,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-04-28 12:20:02,333 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:20:02,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:20:02,334 INFO L85 PathProgramCache]: Analyzing trace with hash 2002370665, now seen corresponding path program 2 times [2024-04-28 12:20:02,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:20:02,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103452576] [2024-04-28 12:20:02,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:20:02,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:20:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:20:02,596 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-04-28 12:20:02,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:20:02,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103452576] [2024-04-28 12:20:02,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103452576] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 12:20:02,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758462934] [2024-04-28 12:20:02,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 12:20:02,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:20:02,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 12:20:02,598 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 12:20:02,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-28 12:20:02,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 12:20:02,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 12:20:02,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 37 conjunts are in the unsatisfiable core [2024-04-28 12:20:02,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 12:20:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:20:03,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 12:20:03,581 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:20:03,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758462934] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 12:20:03,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 12:20:03,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 20, 20] total 48 [2024-04-28 12:20:03,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294177232] [2024-04-28 12:20:03,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 12:20:03,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-04-28 12:20:03,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:20:03,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-04-28 12:20:03,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=1996, Unknown=0, NotChecked=0, Total=2352 [2024-04-28 12:20:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:20:03,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:20:03,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.9387755102040816) internal successors, (95), 48 states have internal predecessors, (95), 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) [2024-04-28 12:20:03,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:03,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:03,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:03,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-28 12:20:03,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:20:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-28 12:20:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-28 12:20:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-28 12:20:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:20:07,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-28 12:20:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:20:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 12:20:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-28 12:20:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-28 12:20:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-28 12:20:07,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-28 12:20:07,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:20:07,680 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:20:07,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:20:07,680 INFO L85 PathProgramCache]: Analyzing trace with hash 196066833, now seen corresponding path program 3 times [2024-04-28 12:20:07,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:20:07,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750035919] [2024-04-28 12:20:07,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:20:07,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:20:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:20:07,973 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-04-28 12:20:07,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:20:07,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750035919] [2024-04-28 12:20:07,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750035919] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 12:20:07,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379748994] [2024-04-28 12:20:07,974 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 12:20:07,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:20:07,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 12:20:07,975 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 12:20:07,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-28 12:20:08,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-04-28 12:20:08,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 12:20:08,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 47 conjunts are in the unsatisfiable core [2024-04-28 12:20:08,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 12:20:08,705 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:20:08,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 12:20:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:20:09,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379748994] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 12:20:09,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 12:20:09,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 26, 26] total 60 [2024-04-28 12:20:09,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77066376] [2024-04-28 12:20:09,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 12:20:09,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-04-28 12:20:09,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:20:09,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-04-28 12:20:09,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=474, Invalid=3186, Unknown=0, NotChecked=0, Total=3660 [2024-04-28 12:20:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:20:09,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:20:09,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.9344262295081966) internal successors, (118), 60 states have internal predecessors, (118), 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) [2024-04-28 12:20:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-28 12:20:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:20:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 12:20:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-28 12:20:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-28 12:20:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-28 12:20:09,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:20:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:13,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:13,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:13,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-28 12:20:13,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:20:13,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-28 12:20:13,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-28 12:20:13,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-28 12:20:13,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-28 12:20:13,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-28 12:20:13,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-28 12:20:13,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-28 12:20:13,549 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:20:13,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:20:13,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1961441643, now seen corresponding path program 4 times [2024-04-28 12:20:13,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:20:13,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531612308] [2024-04-28 12:20:13,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:20:13,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:20:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:20:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 1 proven. 141 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-04-28 12:20:13,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:20:13,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531612308] [2024-04-28 12:20:13,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531612308] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 12:20:13,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974883087] [2024-04-28 12:20:13,846 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-28 12:20:13,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:20:13,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 12:20:13,847 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 12:20:13,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-28 12:20:13,880 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-28 12:20:13,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 12:20:13,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 57 conjunts are in the unsatisfiable core [2024-04-28 12:20:13,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 12:20:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 213 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:20:14,691 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 12:20:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 1 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:20:15,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974883087] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 12:20:15,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 12:20:15,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 31, 31] total 71 [2024-04-28 12:20:15,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028464671] [2024-04-28 12:20:15,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 12:20:15,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-04-28 12:20:15,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:20:15,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-04-28 12:20:15,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=619, Invalid=4493, Unknown=0, NotChecked=0, Total=5112 [2024-04-28 12:20:15,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:20:15,422 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:20:15,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 2.0416666666666665) internal successors, (147), 71 states have internal predecessors, (147), 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) [2024-04-28 12:20:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-28 12:20:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:20:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-28 12:20:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-28 12:20:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-28 12:20:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-28 12:20:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-28 12:20:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:20:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-28 12:20:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:20:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-28 12:20:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-28 12:20:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-28 12:20:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-28 12:20:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-28 12:20:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-04-28 12:20:21,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-28 12:20:21,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:20:21,967 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:20:21,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:20:21,968 INFO L85 PathProgramCache]: Analyzing trace with hash -902731118, now seen corresponding path program 5 times [2024-04-28 12:20:21,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:20:21,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374908724] [2024-04-28 12:20:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:20:21,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:20:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:20:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-28 12:20:22,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:20:22,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374908724] [2024-04-28 12:20:22,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374908724] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 12:20:22,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 12:20:22,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-28 12:20:22,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924650206] [2024-04-28 12:20:22,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 12:20:22,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 12:20:22,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:20:22,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-28 12:20:22,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-28 12:20:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:20:22,008 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:20:22,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-04-28 12:20:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-28 12:20:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:20:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-28 12:20:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-28 12:20:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-28 12:20:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-28 12:20:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-28 12:20:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-04-28 12:20:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:20:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-28 12:20:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:20:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-28 12:20:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-28 12:20:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-28 12:20:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-28 12:20:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-28 12:20:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-04-28 12:20:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:22,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-04-28 12:20:22,565 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 12:20:22,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 12:20:22,565 INFO L85 PathProgramCache]: Analyzing trace with hash -63921306, now seen corresponding path program 6 times [2024-04-28 12:20:22,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 12:20:22,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516990375] [2024-04-28 12:20:22,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 12:20:22,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 12:20:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 12:20:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-04-28 12:20:22,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 12:20:22,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516990375] [2024-04-28 12:20:22,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516990375] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 12:20:22,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202412686] [2024-04-28 12:20:22,807 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-28 12:20:22,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:20:22,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 12:20:22,818 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 12:20:22,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-28 12:20:22,851 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-28 12:20:22,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 12:20:22,852 WARN L260 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 73 conjunts are in the unsatisfiable core [2024-04-28 12:20:22,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 12:20:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:20:23,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 12:20:24,227 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 12:20:24,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202412686] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 12:20:24,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 12:20:24,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 29, 29] total 64 [2024-04-28 12:20:24,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968489920] [2024-04-28 12:20:24,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 12:20:24,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-04-28 12:20:24,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 12:20:24,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-04-28 12:20:24,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=494, Invalid=3666, Unknown=0, NotChecked=0, Total=4160 [2024-04-28 12:20:24,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:20:24,233 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 12:20:24,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.876923076923077) internal successors, (122), 64 states have internal predecessors, (122), 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) [2024-04-28 12:20:24,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:24,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:24,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:24,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-28 12:20:24,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:20:24,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-28 12:20:24,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-28 12:20:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-28 12:20:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-28 12:20:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-28 12:20:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-04-28 12:20:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 12:20:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2024-04-28 12:20:58,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-04-28 12:20:58,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-28 12:20:58,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-28 12:20:58,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-28 12:20:58,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 12:20:58,606 INFO L448 BasicCegarLoop]: Path program histogram: [6, 5, 1, 1] [2024-04-28 12:20:58,610 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-28 12:20:58,610 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-28 12:20:58,613 INFO L201 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 12:20:58 BasicIcfg [2024-04-28 12:20:58,613 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-28 12:20:58,614 INFO L158 Benchmark]: Toolchain (without parser) took 65122.72ms. Allocated memory was 186.6MB in the beginning and 911.2MB in the end (delta: 724.6MB). Free memory was 164.6MB in the beginning and 710.0MB in the end (delta: -545.4MB). Peak memory consumption was 179.4MB. Max. memory is 8.0GB. [2024-04-28 12:20:58,614 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-28 12:20:58,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.46ms. Allocated memory is still 186.6MB. Free memory was 164.5MB in the beginning and 163.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-28 12:20:58,614 INFO L158 Benchmark]: Boogie Preprocessor took 13.67ms. Allocated memory is still 186.6MB. Free memory was 163.0MB in the beginning and 161.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-28 12:20:58,615 INFO L158 Benchmark]: RCFGBuilder took 224.89ms. Allocated memory is still 186.6MB. Free memory was 161.8MB in the beginning and 152.0MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-04-28 12:20:58,615 INFO L158 Benchmark]: TraceAbstraction took 64849.77ms. Allocated memory was 186.6MB in the beginning and 911.2MB in the end (delta: 724.6MB). Free memory was 150.8MB in the beginning and 710.0MB in the end (delta: -559.1MB). Peak memory consumption was 166.8MB. Max. memory is 8.0GB. [2024-04-28 12:20:58,616 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 0.09ms. Allocated memory is still 186.6MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.46ms. Allocated memory is still 186.6MB. Free memory was 164.5MB in the beginning and 163.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.67ms. Allocated memory is still 186.6MB. Free memory was 163.0MB in the beginning and 161.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 224.89ms. Allocated memory is still 186.6MB. Free memory was 161.8MB in the beginning and 152.0MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 64849.77ms. Allocated memory was 186.6MB in the beginning and 911.2MB in the end (delta: 724.6MB). Free memory was 150.8MB in the beginning and 710.0MB in the end (delta: -559.1MB). Peak memory consumption was 166.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12190, independent: 8817, independent conditional: 8793, independent unconditional: 24, dependent: 3373, dependent conditional: 3358, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9033, independent: 8817, independent conditional: 8793, independent unconditional: 24, dependent: 216, dependent conditional: 216, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9033, independent: 8817, independent conditional: 8793, independent unconditional: 24, dependent: 216, dependent conditional: 216, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9033, independent: 8817, independent conditional: 8793, independent unconditional: 24, dependent: 216, dependent conditional: 216, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12197, independent: 8817, independent conditional: 4098, independent unconditional: 4719, dependent: 3380, dependent conditional: 2612, dependent unconditional: 768, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12197, independent: 8817, independent conditional: 3860, independent unconditional: 4957, dependent: 3380, dependent conditional: 2446, dependent unconditional: 934, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12197, independent: 8817, independent conditional: 3860, independent unconditional: 4957, dependent: 3380, dependent conditional: 2446, dependent unconditional: 934, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 419, independent: 170, independent conditional: 120, independent unconditional: 50, dependent: 249, dependent conditional: 244, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 419, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 367, dependent conditional: 0, dependent unconditional: 367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 367, independent: 118, independent conditional: 113, independent unconditional: 5, dependent: 249, dependent conditional: 244, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 367, independent: 118, independent conditional: 113, independent unconditional: 5, dependent: 249, dependent conditional: 244, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 611, independent: 231, independent conditional: 225, independent unconditional: 6, dependent: 380, dependent conditional: 376, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12197, independent: 8647, independent conditional: 3740, independent unconditional: 4907, dependent: 3131, dependent conditional: 2202, dependent unconditional: 929, unknown: 419, unknown conditional: 364, unknown unconditional: 55] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 170, Positive conditional cache size: 120, Positive unconditional cache size: 50, Negative cache size: 249, Negative conditional cache size: 244, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 404, Maximal queried relation: 11, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12197, independent: 8817, independent conditional: 4098, independent unconditional: 4719, dependent: 3380, dependent conditional: 2612, dependent unconditional: 768, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12197, independent: 8817, independent conditional: 3860, independent unconditional: 4957, dependent: 3380, dependent conditional: 2446, dependent unconditional: 934, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12197, independent: 8817, independent conditional: 3860, independent unconditional: 4957, dependent: 3380, dependent conditional: 2446, dependent unconditional: 934, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 419, independent: 170, independent conditional: 120, independent unconditional: 50, dependent: 249, dependent conditional: 244, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 419, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 367, dependent conditional: 0, dependent unconditional: 367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 367, independent: 118, independent conditional: 113, independent unconditional: 5, dependent: 249, dependent conditional: 244, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 367, independent: 118, independent conditional: 113, independent unconditional: 5, dependent: 249, dependent conditional: 244, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 611, independent: 231, independent conditional: 225, independent unconditional: 6, dependent: 380, dependent conditional: 376, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12197, independent: 8647, independent conditional: 3740, independent unconditional: 4907, dependent: 3131, dependent conditional: 2202, dependent unconditional: 929, unknown: 419, unknown conditional: 364, unknown unconditional: 55] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 170, Positive conditional cache size: 120, Positive unconditional cache size: 50, Negative cache size: 249, Negative conditional cache size: 244, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 404 ], Independence queries for same thread: 3157 - PositiveResult [Line: 55]: 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, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 64.7s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 53.1s, 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: 1100, 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, 0.2s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 761 NumberOfCodeBlocks, 761 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1037 ConstructedInterpolants, 0 QuantifiedInterpolants, 11362 SizeOfPredicates, 48 NumberOfNonLiveVariables, 647 ConjunctsInSsa, 316 ConjunctsInUnsatCore, 29 InterpolantComputations, 5 PerfectInterpolantSequences, 609/2122 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: 0.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-28 12:20:58,633 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 [2024-04-28 12:20:58,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...