/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 NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-03 18:53:20,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 18:53:20,488 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 18:53:20,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 18:53:20,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 18:53:20,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 18:53:20,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 18:53:20,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 18:53:20,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 18:53:20,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 18:53:20,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 18:53:20,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 18:53:20,531 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 18:53:20,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 18:53:20,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 18:53:20,533 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 18:53:20,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 18:53:20,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 18:53:20,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 18:53:20,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 18:53:20,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 18:53:20,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 18:53:20,534 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 18:53:20,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 18:53:20,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 18:53:20,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 18:53:20,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 18:53:20,535 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 18:53:20,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 18:53:20,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 18:53:20,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 18:53:20,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 18:53:20,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 18:53:20,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 18:53:20,537 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 18:53:20,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 18:53:20,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 18:53:20,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 18:53:20,538 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 18:53:20,538 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-05-03 18:53:20,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 18:53:20,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 18:53:20,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 18:53:20,758 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-03 18:53:20,759 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-03 18:53:20,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2024-05-03 18:53:20,760 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2024-05-03 18:53:20,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 18:53:20,791 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-03 18:53:20,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 18:53:20,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 18:53:20,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 18:53:20,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:53:20" (1/1) ... [2024-05-03 18:53:20,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:53:20" (1/1) ... [2024-05-03 18:53:20,821 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-03 18:53:20,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 18:53:20,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 18:53:20,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 18:53:20,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 18:53:20,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:53:20" (1/1) ... [2024-05-03 18:53:20,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:53:20" (1/1) ... [2024-05-03 18:53:20,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:53:20" (1/1) ... [2024-05-03 18:53:20,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:53:20" (1/1) ... [2024-05-03 18:53:20,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:53:20" (1/1) ... [2024-05-03 18:53:20,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:53:20" (1/1) ... [2024-05-03 18:53:20,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:53:20" (1/1) ... [2024-05-03 18:53:20,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:53:20" (1/1) ... [2024-05-03 18:53:20,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 18:53:20,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 18:53:20,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 18:53:20,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 18:53:20,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:53:20" (1/1) ... [2024-05-03 18:53:20,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 18:53:20,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 18:53:20,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-03 18:53:20,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 18:53:20,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-03 18:53:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 18:53:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 18:53:20,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-03 18:53:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 18:53:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 18:53:20,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-03 18:53:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 18:53:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 18:53:20,916 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 18:53:20,955 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 18:53:20,957 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 18:53:21,041 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 18:53:21,048 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 18:53:21,048 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-03 18:53:21,049 INFO L201 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:53:21 BoogieIcfgContainer [2024-05-03 18:53:21,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 18:53:21,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 18:53:21,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 18:53:21,053 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 18:53:21,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:53:20" (1/2) ... [2024-05-03 18:53:21,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505461b7 and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 06:53:21, skipping insertion in model container [2024-05-03 18:53:21,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:53:21" (2/2) ... [2024-05-03 18:53:21,055 INFO L112 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2024-05-03 18:53:21,061 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 18:53:21,067 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 18:53:21,068 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 18:53:21,068 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 18:53:21,095 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-03 18:53:21,125 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 18:53:21,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 18:53:21,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 18:53:21,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 18:53:21,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 18:53:21,158 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 18:53:21,164 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-03 18:53:21,170 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;@38a0dffd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-03 18:53:21,170 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-03 18:53:21,189 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 18:53:21,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 18:53:21,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1866031911, now seen corresponding path program 1 times [2024-05-03 18:53:21,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 18:53:21,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359151507] [2024-05-03 18:53:21,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:53:21,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 18:53:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:53:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:21,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 18:53:21,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359151507] [2024-05-03 18:53:21,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359151507] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 18:53:21,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 18:53:21,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-03 18:53:21,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846845731] [2024-05-03 18:53:21,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 18:53:21,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 18:53:21,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 18:53:21,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 18:53:21,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-03 18:53:21,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:21,470 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 18:53:21,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 18:53:21,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 18:53:21,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 18:53:21,542 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 18:53:21,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 18:53:21,543 INFO L85 PathProgramCache]: Analyzing trace with hash 393888317, now seen corresponding path program 1 times [2024-05-03 18:53:21,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 18:53:21,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757893711] [2024-05-03 18:53:21,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:53:21,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 18:53:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:53:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:21,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 18:53:21,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757893711] [2024-05-03 18:53:21,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757893711] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 18:53:21,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 18:53:21,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-03 18:53:21,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815704321] [2024-05-03 18:53:21,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 18:53:21,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 18:53:21,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 18:53:21,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 18:53:21,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-03 18:53:21,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:21,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 18:53:21,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 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) [2024-05-03 18:53:21,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 18:53:21,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:21,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:21,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:21,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 18:53:21,712 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 18:53:21,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 18:53:21,713 INFO L85 PathProgramCache]: Analyzing trace with hash -358809101, now seen corresponding path program 1 times [2024-05-03 18:53:21,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 18:53:21,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386124364] [2024-05-03 18:53:21,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:53:21,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 18:53:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:53:21,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:21,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 18:53:21,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386124364] [2024-05-03 18:53:21,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386124364] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 18:53:21,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 18:53:21,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-03 18:53:21,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619908299] [2024-05-03 18:53:21,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 18:53:21,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 18:53:21,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 18:53:21,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 18:53:21,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-05-03 18:53:21,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:21,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 18:53:21,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 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) [2024-05-03 18:53:21,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:21,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:21,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:21,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:21,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:21,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:21,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-03 18:53:21,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 18:53:21,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 18:53:21,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1762354209, now seen corresponding path program 1 times [2024-05-03 18:53:21,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 18:53:21,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421583702] [2024-05-03 18:53:21,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:53:21,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 18:53:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:53:22,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:22,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 18:53:22,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421583702] [2024-05-03 18:53:22,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421583702] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 18:53:22,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039418060] [2024-05-03 18:53:22,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:53:22,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 18:53:22,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 18:53:22,114 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) [2024-05-03 18:53:22,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 18:53:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:53:22,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2024-05-03 18:53:22,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 18:53:22,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-05-03 18:53:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:22,440 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 18:53:22,491 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 18:53:22,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 18 [2024-05-03 18:53:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:22,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039418060] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 18:53:22,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 18:53:22,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 14 [2024-05-03 18:53:22,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120180209] [2024-05-03 18:53:22,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 18:53:22,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-03 18:53:22,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 18:53:22,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-03 18:53:22,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-05-03 18:53:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:22,538 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 18:53:22,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 18:53:22,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:22,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:22,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:22,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:22,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:22,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:22,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:22,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-03 18:53:22,854 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 [2024-05-03 18:53:22,854 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 18:53:22,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 18:53:22,855 INFO L85 PathProgramCache]: Analyzing trace with hash 637150597, now seen corresponding path program 2 times [2024-05-03 18:53:22,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 18:53:22,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893383395] [2024-05-03 18:53:22,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:53:22,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 18:53:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:53:22,923 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:22,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 18:53:22,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893383395] [2024-05-03 18:53:22,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893383395] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 18:53:22,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120770095] [2024-05-03 18:53:22,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 18:53:22,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 18:53:22,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 18:53:22,925 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) [2024-05-03 18:53:22,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 18:53:22,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 18:53:22,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 18:53:22,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-03 18:53:22,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 18:53:22,975 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 18:53:22,975 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 18:53:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 18:53:23,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120770095] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 18:53:23,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 18:53:23,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 5 [2024-05-03 18:53:23,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075572416] [2024-05-03 18:53:23,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 18:53:23,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 18:53:23,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 18:53:23,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 18:53:23,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-05-03 18:53:23,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:23,002 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 18:53:23,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 18:53:23,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:23,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:23,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:23,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:23,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:23,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:23,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:23,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:23,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:23,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:23,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-03 18:53:23,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 18:53:23,277 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 18:53:23,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 18:53:23,278 INFO L85 PathProgramCache]: Analyzing trace with hash -115546821, now seen corresponding path program 3 times [2024-05-03 18:53:23,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 18:53:23,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660027551] [2024-05-03 18:53:23,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:53:23,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 18:53:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:53:23,327 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:23,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 18:53:23,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660027551] [2024-05-03 18:53:23,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660027551] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 18:53:23,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079970646] [2024-05-03 18:53:23,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 18:53:23,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 18:53:23,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 18:53:23,329 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) [2024-05-03 18:53:23,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 18:53:23,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-03 18:53:23,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 18:53:23,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-03 18:53:23,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 18:53:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 18:53:23,415 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 18:53:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 18:53:23,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079970646] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 18:53:23,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 18:53:23,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 5 [2024-05-03 18:53:23,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082973622] [2024-05-03 18:53:23,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 18:53:23,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 18:53:23,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 18:53:23,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 18:53:23,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-05-03 18:53:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:23,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 18:53:23,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 18:53:23,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:23,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:23,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:23,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:23,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:23,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 18:53:23,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-03 18:53:23,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 18:53:23,726 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 18:53:23,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 18:53:23,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1562877079, now seen corresponding path program 4 times [2024-05-03 18:53:23,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 18:53:23,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510475556] [2024-05-03 18:53:23,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:53:23,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 18:53:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:53:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:24,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 18:53:24,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510475556] [2024-05-03 18:53:24,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510475556] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 18:53:24,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365867295] [2024-05-03 18:53:24,154 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 18:53:24,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 18:53:24,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 18:53:24,163 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) [2024-05-03 18:53:24,194 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 18:53:24,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 18:53:24,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-03 18:53:24,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2024-05-03 18:53:24,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 18:53:24,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-05-03 18:53:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:24,479 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 18:53:24,640 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 18:53:24,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 48 [2024-05-03 18:53:24,715 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:24,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365867295] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 18:53:24,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 18:53:24,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 29 [2024-05-03 18:53:24,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735459642] [2024-05-03 18:53:24,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 18:53:24,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-05-03 18:53:24,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 18:53:24,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-05-03 18:53:24,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=727, Unknown=0, NotChecked=0, Total=870 [2024-05-03 18:53:24,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:24,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 18:53:24,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 18:53:24,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:24,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:24,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:24,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:24,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:24,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 18:53:24,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:25,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:25,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:25,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:25,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:25,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:25,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 18:53:25,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 18:53:25,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-03 18:53:25,985 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,SelfDestructingSolverStorable6 [2024-05-03 18:53:25,986 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 18:53:25,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 18:53:25,986 INFO L85 PathProgramCache]: Analyzing trace with hash 875235833, now seen corresponding path program 5 times [2024-05-03 18:53:25,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 18:53:25,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251832169] [2024-05-03 18:53:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:53:25,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 18:53:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:53:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:26,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 18:53:26,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251832169] [2024-05-03 18:53:26,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251832169] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 18:53:26,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045720223] [2024-05-03 18:53:26,636 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 18:53:26,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 18:53:26,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 18:53:26,637 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) [2024-05-03 18:53:26,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-03 18:53:26,725 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-05-03 18:53:26,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 18:53:26,727 WARN L260 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 45 conjunts are in the unsatisfiable core [2024-05-03 18:53:26,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 18:53:27,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-05-03 18:53:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:27,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 18:53:27,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 18:53:27,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 43 treesize of output 168 [2024-05-03 18:53:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:28,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045720223] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 18:53:28,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 18:53:28,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 18] total 53 [2024-05-03 18:53:28,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617559600] [2024-05-03 18:53:28,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 18:53:28,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-05-03 18:53:28,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 18:53:28,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-05-03 18:53:28,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=2511, Unknown=0, NotChecked=0, Total=2862 [2024-05-03 18:53:28,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:28,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 18:53:28,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.3333333333333335) internal successors, (126), 53 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 18:53:28,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:28,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:28,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:28,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:28,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:28,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 18:53:28,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 18:53:28,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:34,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:34,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:34,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:34,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:34,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:34,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 18:53:34,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 18:53:34,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-03 18:53:34,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-03 18:53:34,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 18:53:34,345 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 18:53:34,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 18:53:34,346 INFO L85 PathProgramCache]: Analyzing trace with hash -563661583, now seen corresponding path program 6 times [2024-05-03 18:53:34,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 18:53:34,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765884330] [2024-05-03 18:53:34,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:53:34,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 18:53:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:53:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-05-03 18:53:35,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 18:53:35,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765884330] [2024-05-03 18:53:35,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765884330] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 18:53:35,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146219652] [2024-05-03 18:53:35,972 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 18:53:35,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 18:53:35,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 18:53:35,973 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) [2024-05-03 18:53:35,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-03 18:53:36,016 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-05-03 18:53:36,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 18:53:36,018 WARN L260 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 105 conjunts are in the unsatisfiable core [2024-05-03 18:53:36,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 18:53:39,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 18:53:39,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 61 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 44 case distinctions, treesize of input 79 treesize of output 381 [2024-05-03 18:53:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:53:40,435 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 18:53:42,806 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 18:53:42,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 73 treesize of output 498 [2024-05-03 18:53:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-03 18:53:47,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146219652] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 18:53:47,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 18:53:47,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 51, 42] total 108 [2024-05-03 18:53:47,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985271376] [2024-05-03 18:53:47,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 18:53:47,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-05-03 18:53:47,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 18:53:47,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-05-03 18:53:47,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1016, Invalid=10756, Unknown=0, NotChecked=0, Total=11772 [2024-05-03 18:53:47,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:53:47,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 18:53:47,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 2.036697247706422) internal successors, (222), 108 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 18:53:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:53:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:53:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 18:53:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 18:53:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-03 18:53:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:54:06,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:54:06,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:54:06,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:54:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:54:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:54:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:54:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 18:54:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-03 18:54:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-05-03 18:54:06,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-03 18:54:06,526 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,SelfDestructingSolverStorable8 [2024-05-03 18:54:06,527 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 18:54:06,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 18:54:06,527 INFO L85 PathProgramCache]: Analyzing trace with hash 395569072, now seen corresponding path program 1 times [2024-05-03 18:54:06,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 18:54:06,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315322349] [2024-05-03 18:54:06,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:54:06,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 18:54:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:54:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2024-05-03 18:54:08,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 18:54:08,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315322349] [2024-05-03 18:54:08,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315322349] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 18:54:08,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966860046] [2024-05-03 18:54:08,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:54:08,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 18:54:08,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 18:54:08,396 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) [2024-05-03 18:54:08,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-03 18:54:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:54:08,466 WARN L260 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 135 conjunts are in the unsatisfiable core [2024-05-03 18:54:08,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 18:54:12,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 39 [2024-05-03 18:54:12,298 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:54:12,298 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 18:54:23,158 WARN L293 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 779 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-05-03 18:54:23,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 18:54:23,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 153 treesize of output 2258 [2024-05-03 18:55:57,110 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:55:57,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966860046] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 18:55:57,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 18:55:57,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 63, 63] total 140 [2024-05-03 18:55:57,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073878419] [2024-05-03 18:55:57,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 18:55:57,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-05-03 18:55:57,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 18:55:57,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-05-03 18:55:57,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1619, Invalid=18121, Unknown=0, NotChecked=0, Total=19740 [2024-05-03 18:55:57,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:55:57,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 18:55:57,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 2.1347517730496453) internal successors, (301), 140 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 18:55:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:55:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:55:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:55:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:55:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:55:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:55:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 18:55:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-03 18:55:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-05-03 18:55:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 18:57:05,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:57:05,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:57:05,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 18:57:05,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:57:05,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:57:05,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 18:57:05,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 18:57:05,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-03 18:57:05,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-05-03 18:57:05,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 388 states. [2024-05-03 18:57:05,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-03 18:57:05,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 18:57:05,422 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 18:57:05,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 18:57:05,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1570782344, now seen corresponding path program 2 times [2024-05-03 18:57:05,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 18:57:05,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556850101] [2024-05-03 18:57:05,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 18:57:05,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 18:57:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 18:57:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4001 backedges. 0 proven. 809 refuted. 0 times theorem prover too weak. 3192 trivial. 0 not checked. [2024-05-03 18:57:12,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 18:57:12,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556850101] [2024-05-03 18:57:12,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556850101] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 18:57:12,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684147220] [2024-05-03 18:57:12,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 18:57:12,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 18:57:12,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 18:57:12,270 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) [2024-05-03 18:57:12,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-03 18:57:12,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 18:57:12,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 18:57:12,394 WARN L260 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 271 conjunts are in the unsatisfiable core [2024-05-03 18:57:12,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 18:57:31,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 496 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 74 [2024-05-03 18:57:31,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4001 backedges. 0 proven. 4001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 18:57:31,221 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 19:01:19,218 WARN L293 SmtUtils]: Spent 3.11m on a formula simplification that was a NOOP. DAG size: 3295 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-05-03 19:01:19,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 19:01:19,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 64 select indices, 64 select index equivalence classes, 0 disjoint index pairs (out of 2016 index pairs), introduced 64 new quantified variables, introduced 2016 case distinctions, treesize of input 323 treesize of output 10248 Received shutdown request... [2024-05-03 19:07:45,610 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 19:07:45,611 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 19:07:45,611 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 19:07:45,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-05-03 19:07:45,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-03 19:07:46,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 19:07:46,061 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 271 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-1031-32-2-32-2-31-2-30-2-29-2-28-2-27-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. [2024-05-03 19:07:46,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-03 19:07:46,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-03 19:07:46,068 INFO L448 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1, 1] [2024-05-03 19:07:46,070 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 19:07:46,071 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 19:07:46,072 INFO L201 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 07:07:46 BasicIcfg [2024-05-03 19:07:46,073 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 19:07:46,073 INFO L158 Benchmark]: Toolchain (without parser) took 865282.33ms. Allocated memory was 190.8MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 161.8MB in the beginning and 549.2MB in the end (delta: -387.4MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2024-05-03 19:07:46,073 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 19:07:46,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.61ms. Allocated memory is still 190.8MB. Free memory was 161.8MB in the beginning and 160.9MB in the end (delta: 891.4kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 19:07:46,074 INFO L158 Benchmark]: Boogie Preprocessor took 18.01ms. Allocated memory is still 190.8MB. Free memory was 160.7MB in the beginning and 159.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 19:07:46,074 INFO L158 Benchmark]: RCFGBuilder took 207.38ms. Allocated memory is still 190.8MB. Free memory was 159.6MB in the beginning and 149.7MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-05-03 19:07:46,074 INFO L158 Benchmark]: TraceAbstraction took 865021.87ms. Allocated memory was 190.8MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 148.5MB in the beginning and 549.2MB in the end (delta: -400.7MB). Peak memory consumption was 999.0MB. Max. memory is 8.0GB. [2024-05-03 19:07:46,075 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 190.8MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.61ms. Allocated memory is still 190.8MB. Free memory was 161.8MB in the beginning and 160.9MB in the end (delta: 891.4kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.01ms. Allocated memory is still 190.8MB. Free memory was 160.7MB in the beginning and 159.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 207.38ms. Allocated memory is still 190.8MB. Free memory was 159.6MB in the beginning and 149.7MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 865021.87ms. Allocated memory was 190.8MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 148.5MB in the beginning and 549.2MB in the end (delta: -400.7MB). Peak memory consumption was 999.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2859, independent: 1954, independent conditional: 1954, independent unconditional: 0, dependent: 905, dependent conditional: 905, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1954, independent: 1954, independent conditional: 1954, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1954, independent: 1954, independent conditional: 1954, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1954, independent: 1954, independent conditional: 1954, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1954, independent: 1954, independent conditional: 0, independent unconditional: 1954, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1954, independent: 1954, independent conditional: 0, independent unconditional: 1954, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1954, independent: 1954, independent conditional: 0, independent unconditional: 1954, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 60, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 60, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1954, independent: 1894, independent conditional: 0, independent unconditional: 1894, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 60, unknown conditional: 0, unknown unconditional: 60] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1954, independent: 1954, independent conditional: 0, independent unconditional: 1954, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1954, independent: 1954, independent conditional: 0, independent unconditional: 1954, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1954, independent: 1954, independent conditional: 0, independent unconditional: 1954, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 60, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 60, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1954, independent: 1894, independent conditional: 0, independent unconditional: 1894, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 60, unknown conditional: 0, unknown unconditional: 60] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0 ], Independence queries for same thread: 905 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 271 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-1031-32-2-32-2-31-2-30-2-29-2-28-2-27-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 271 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-1031-32-2-32-2-31-2-30-2-29-2-28-2-27-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 271 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-1031-32-2-32-2-31-2-30-2-29-2-28-2-27-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 48 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 864.9s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 93.9s, 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: 774, 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, 128.2s InterpolantComputationTime, 807 NumberOfCodeBlocks, 807 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1163 ConstructedInterpolants, 3 QuantifiedInterpolants, 33822 SizeOfPredicates, 40 NumberOfNonLiveVariables, 686 ConjunctsInSsa, 347 ConjunctsInUnsatCore, 24 InterpolantComputations, 3 PerfectInterpolantSequences, 891/4208 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown