/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/popl20/three-array-min.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 11:14:58,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 11:14:58,613 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 11:14:58,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 11:14:58,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 11:14:58,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 11:14:58,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 11:14:58,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 11:14:58,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 11:14:58,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 11:14:58,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 11:14:58,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 11:14:58,653 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 11:14:58,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 11:14:58,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 11:14:58,655 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 11:14:58,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 11:14:58,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 11:14:58,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 11:14:58,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 11:14:58,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 11:14:58,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 11:14:58,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 11:14:58,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 11:14:58,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 11:14:58,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 11:14:58,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 11:14:58,658 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 11:14:58,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 11:14:58,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 11:14:58,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 11:14:58,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 11:14:58,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 11:14:58,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 11:14:58,660 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 11:14:58,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 11:14:58,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 11:14:58,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 11:14:58,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 11:14:58,660 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-04-06 11:14:58,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 11:14:58,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 11:14:58,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 11:14:58,900 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-06 11:14:58,902 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-06 11:14:58,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl [2024-04-06 11:14:58,903 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl' [2024-04-06 11:14:58,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 11:14:58,956 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-06 11:14:58,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 11:14:58,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 11:14:58,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 11:14:58,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:14:58" (1/1) ... [2024-04-06 11:14:58,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:14:58" (1/1) ... [2024-04-06 11:14:58,998 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-06 11:14:58,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 11:14:59,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 11:14:59,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 11:14:59,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 11:14:59,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:14:58" (1/1) ... [2024-04-06 11:14:59,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:14:58" (1/1) ... [2024-04-06 11:14:59,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:14:58" (1/1) ... [2024-04-06 11:14:59,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:14:58" (1/1) ... [2024-04-06 11:14:59,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:14:58" (1/1) ... [2024-04-06 11:14:59,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:14:58" (1/1) ... [2024-04-06 11:14:59,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:14:58" (1/1) ... [2024-04-06 11:14:59,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:14:58" (1/1) ... [2024-04-06 11:14:59,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 11:14:59,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 11:14:59,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 11:14:59,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 11:14:59,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:14:58" (1/1) ... [2024-04-06 11:14:59,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 11:14:59,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 11:14:59,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-06 11:14:59,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-06 11:14:59,103 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-06 11:14:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 11:14:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 11:14:59,104 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-06 11:14:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 11:14:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 11:14:59,105 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-06 11:14:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 11:14:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 11:14:59,105 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-06 11:14:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 11:14:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 11:14:59,106 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 11:14:59,147 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 11:14:59,149 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 11:14:59,257 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 11:14:59,278 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 11:14:59,278 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-06 11:14:59,280 INFO L201 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 11:14:59 BoogieIcfgContainer [2024-04-06 11:14:59,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 11:14:59,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 11:14:59,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 11:14:59,286 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 11:14:59,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:14:58" (1/2) ... [2024-04-06 11:14:59,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2625d38e and model type three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 11:14:59, skipping insertion in model container [2024-04-06 11:14:59,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 11:14:59" (2/2) ... [2024-04-06 11:14:59,299 INFO L112 eAbstractionObserver]: Analyzing ICFG three-array-min.wvr.bpl [2024-04-06 11:14:59,306 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 11:14:59,315 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 11:14:59,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 11:14:59,315 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 11:14:59,387 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-06 11:14:59,427 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 11:14:59,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 11:14:59,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 11:14:59,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-06 11:14:59,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-06 11:14:59,484 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 11:14:59,492 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 11:14:59,500 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;@5277305c, 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 [2024-04-06 11:14:59,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 11:14:59,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 11:14:59,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 11:14:59,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1509187016, now seen corresponding path program 1 times [2024-04-06 11:14:59,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 11:14:59,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618349630] [2024-04-06 11:14:59,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 11:14:59,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 11:14:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 11:14:59,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 11:14:59,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 11:14:59,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618349630] [2024-04-06 11:14:59,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618349630] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 11:14:59,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 11:14:59,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-06 11:14:59,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820361026] [2024-04-06 11:14:59,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 11:14:59,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-06 11:14:59,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 11:14:59,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-06 11:14:59,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-06 11:14:59,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:14:59,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 11:14:59,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 11:14:59,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:14:59,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:14:59,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 11:14:59,900 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 11:14:59,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 11:14:59,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1437350148, now seen corresponding path program 1 times [2024-04-06 11:14:59,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 11:14:59,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067324166] [2024-04-06 11:14:59,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 11:14:59,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 11:14:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 11:14:59,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 11:14:59,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 11:14:59,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067324166] [2024-04-06 11:14:59,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067324166] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 11:14:59,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 11:14:59,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 11:14:59,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958497754] [2024-04-06 11:14:59,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 11:14:59,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 11:14:59,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 11:14:59,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 11:14:59,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 11:14:59,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:14:59,986 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 11:14:59,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 11:14:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:14:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:15:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 11:15:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:00,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 11:15:00,079 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 11:15:00,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 11:15:00,080 INFO L85 PathProgramCache]: Analyzing trace with hash 764714396, now seen corresponding path program 1 times [2024-04-06 11:15:00,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 11:15:00,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137208032] [2024-04-06 11:15:00,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 11:15:00,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 11:15:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 11:15:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 11:15:00,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 11:15:00,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137208032] [2024-04-06 11:15:00,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137208032] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 11:15:00,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 11:15:00,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-06 11:15:00,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682769563] [2024-04-06 11:15:00,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 11:15:00,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-06 11:15:00,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 11:15:00,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-06 11:15:00,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-04-06 11:15:00,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:15:00,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 11:15:00,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 11:15:00,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 11:15:00,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:00,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:15:00,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 11:15:00,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:00,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:00,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 11:15:00,213 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 11:15:00,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 11:15:00,213 INFO L85 PathProgramCache]: Analyzing trace with hash 412588638, now seen corresponding path program 1 times [2024-04-06 11:15:00,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 11:15:00,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362278252] [2024-04-06 11:15:00,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 11:15:00,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 11:15:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 11:15:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 11:15:00,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 11:15:00,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362278252] [2024-04-06 11:15:00,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362278252] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 11:15:00,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765032941] [2024-04-06 11:15:00,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 11:15:00,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 11:15:00,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 11:15:00,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 11:15:00,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 11:15:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 11:15:01,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-06 11:15:01,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 11:15:01,378 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 51 treesize of output 35 [2024-04-06 11:15:01,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-06 11:15:01,394 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 76 treesize of output 52 [2024-04-06 11:15:01,524 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 52 treesize of output 40 [2024-04-06 11:15:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 11:15:01,556 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 11:15:01,617 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 28 treesize of output 26 [2024-04-06 11:15:02,324 INFO L349 Elim1Store]: treesize reduction 10, result has 60.0 percent of original size [2024-04-06 11:15:02,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 30 [2024-04-06 11:15:02,355 INFO L349 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2024-04-06 11:15:02,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 24 [2024-04-06 11:15:02,374 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-06 11:15:02,375 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 22 treesize of output 14 [2024-04-06 11:15:02,405 INFO L349 Elim1Store]: treesize reduction 5, result has 80.0 percent of original size [2024-04-06 11:15:02,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 35 [2024-04-06 11:15:02,432 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-06 11:15:02,433 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 24 treesize of output 16 [2024-04-06 11:15:02,449 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-04-06 11:15:02,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 1 [2024-04-06 11:15:02,497 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 11:15:02,498 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 7 treesize of output 12 [2024-04-06 11:15:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 11:15:02,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765032941] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 11:15:02,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 11:15:02,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-04-06 11:15:02,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577043793] [2024-04-06 11:15:02,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 11:15:02,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-04-06 11:15:02,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 11:15:02,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-04-06 11:15:02,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2024-04-06 11:15:02,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:15:02,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 11:15:02,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.65) internal successors, (53), 19 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 11:15:02,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 11:15:02,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:02,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:02,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:15:02,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 11:15:02,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:02,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:02,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 11:15:02,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-06 11:15:02,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 11:15:02,981 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 11:15:02,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 11:15:02,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1616591526, now seen corresponding path program 2 times [2024-04-06 11:15:02,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 11:15:02,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447440592] [2024-04-06 11:15:02,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 11:15:02,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 11:15:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 11:15:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 11:15:03,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 11:15:03,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447440592] [2024-04-06 11:15:03,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447440592] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 11:15:03,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613280149] [2024-04-06 11:15:03,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 11:15:03,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 11:15:03,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 11:15:03,050 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 11:15:03,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 11:15:03,097 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 11:15:03,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 11:15:03,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-06 11:15:03,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 11:15:03,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 11:15:03,119 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 11:15:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 11:15:03,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613280149] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 11:15:03,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 11:15:03,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 5 [2024-04-06 11:15:03,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088434401] [2024-04-06 11:15:03,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 11:15:03,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 11:15:03,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 11:15:03,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 11:15:03,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-04-06 11:15:03,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:15:03,148 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 11:15:03,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 11:15:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 11:15:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:03,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:03,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 11:15:03,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:15:03,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 11:15:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 11:15:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 11:15:03,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 11:15:03,421 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 [2024-04-06 11:15:03,421 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 11:15:03,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 11:15:03,443 INFO L85 PathProgramCache]: Analyzing trace with hash 2139999942, now seen corresponding path program 3 times [2024-04-06 11:15:03,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 11:15:03,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316577161] [2024-04-06 11:15:03,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 11:15:03,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 11:15:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 11:15:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 11:15:03,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 11:15:03,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316577161] [2024-04-06 11:15:03,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316577161] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 11:15:03,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064092505] [2024-04-06 11:15:03,491 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 11:15:03,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 11:15:03,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 11:15:03,492 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 11:15:03,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 11:15:03,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-06 11:15:03,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 11:15:03,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-06 11:15:03,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 11:15:03,563 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 11:15:03,563 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 11:15:03,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 11:15:03,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064092505] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 11:15:03,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 11:15:03,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-04-06 11:15:03,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4851799] [2024-04-06 11:15:03,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 11:15:03,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-06 11:15:03,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 11:15:03,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-06 11:15:03,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-04-06 11:15:03,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:15:03,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 11:15:03,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 11:15:03,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 11:15:03,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:03,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:03,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 11:15:03,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 11:15:03,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:15:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 11:15:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 11:15:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 11:15:03,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 11:15:03,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 11:15:04,072 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 [2024-04-06 11:15:04,072 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 11:15:04,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 11:15:04,073 INFO L85 PathProgramCache]: Analyzing trace with hash -787928824, now seen corresponding path program 4 times [2024-04-06 11:15:04,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 11:15:04,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933615601] [2024-04-06 11:15:04,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 11:15:04,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 11:15:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 11:15:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 11:15:05,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 11:15:05,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933615601] [2024-04-06 11:15:05,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933615601] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 11:15:05,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249585606] [2024-04-06 11:15:05,332 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 11:15:05,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 11:15:05,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 11:15:05,350 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 11:15:05,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 11:15:05,388 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 11:15:05,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 11:15:05,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-06 11:15:05,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 11:15:05,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-04-06 11:15:06,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 98 [2024-04-06 11:15:06,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 145 [2024-04-06 11:15:06,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 82 [2024-04-06 11:15:06,534 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 65 treesize of output 49 [2024-04-06 11:15:06,571 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 11:15:06,571 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 11:15:07,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 11:15:07,860 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 756 treesize of output 726 [2024-04-06 11:15:08,007 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 763 treesize of output 729 [2024-04-06 11:15:13,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 11:15:13,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 751 treesize of output 587 [2024-04-06 11:15:16,726 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 11:15:16,741 INFO L349 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2024-04-06 11:15:16,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 703 treesize of output 1 [2024-04-06 11:15:16,852 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-04-06 11:15:16,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 1 [2024-04-06 11:15:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 11:15:16,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249585606] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 11:15:16,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 11:15:16,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 32 [2024-04-06 11:15:16,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996272653] [2024-04-06 11:15:16,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 11:15:16,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-06 11:15:16,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 11:15:16,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-06 11:15:16,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=881, Unknown=0, NotChecked=0, Total=1056 [2024-04-06 11:15:16,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:15:16,897 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 11:15:16,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.5454545454545454) internal successors, (84), 32 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 11:15:16,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 11:15:16,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:16,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:16,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 11:15:16,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 11:15:16,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 11:15:16,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 11:15:20,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-06 11:15:22,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-06 11:15:25,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-06 11:15:25,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 11:15:25,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:25,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 11:15:25,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 11:15:25,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 11:15:25,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 11:15:25,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 11:15:25,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 11:15:26,168 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 [2024-04-06 11:15:26,169 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 11:15:26,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 11:15:26,172 INFO L85 PathProgramCache]: Analyzing trace with hash -918993848, now seen corresponding path program 5 times [2024-04-06 11:15:26,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 11:15:26,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118593409] [2024-04-06 11:15:26,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 11:15:26,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 11:15:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-04-06 11:29:29,764 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 [2024-04-06 11:29:29,765 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 [2024-04-06 11:29:29,772 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-04-06 11:29:29,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-04-06 11:29:29,773 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 48 with TraceHistMax 4,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-4-3-3-5-13-5-13-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-13-4-12-4-12-4-12-4-12-4-11-4-11-4-9-4-9-4-9-4-9-4-9-4-9-4-9-4-6-4-6-3-6-3-6-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-44-13-13-13-13-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-13-15-12-15-12-15-12-15-12-15-11-15-11-15-9-15-9-15-9-15-9-15-9-15-9-15-9-13-6-12-6-12-6-12-6-12-4-11-4-11-4-9-4-9-4-9-4-9-4-9-4-9-4-9-4-6-4-6-3-6-3-6-3-2-2-1 context. [2024-04-06 11:29:29,774 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-06 11:29:29,774 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-06 11:29:29,774 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-06 11:29:29,778 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2024-04-06 11:29:29,786 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 11:29:29,786 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 11:29:29,788 INFO L201 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 11:29:29 BasicIcfg [2024-04-06 11:29:29,788 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 11:29:29,788 INFO L158 Benchmark]: Toolchain (without parser) took 870832.39ms. Allocated memory was 273.7MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 247.5MB in the beginning and 894.6MB in the end (delta: -647.1MB). Peak memory consumption was 880.7MB. Max. memory is 8.0GB. [2024-04-06 11:29:29,788 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 160.4MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 11:29:29,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.88ms. Allocated memory is still 273.7MB. Free memory was 247.5MB in the beginning and 245.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 11:29:29,788 INFO L158 Benchmark]: Boogie Preprocessor took 21.81ms. Allocated memory is still 273.7MB. Free memory was 245.9MB in the beginning and 244.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 11:29:29,789 INFO L158 Benchmark]: RCFGBuilder took 256.55ms. Allocated memory is still 273.7MB. Free memory was 244.7MB in the beginning and 233.6MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-06 11:29:29,789 INFO L158 Benchmark]: TraceAbstraction took 870504.39ms. Allocated memory was 273.7MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 232.3MB in the beginning and 894.6MB in the end (delta: -662.3MB). Peak memory consumption was 866.0MB. Max. memory is 8.0GB. [2024-04-06 11:29:29,790 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 160.4MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.88ms. Allocated memory is still 273.7MB. Free memory was 247.5MB in the beginning and 245.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.81ms. Allocated memory is still 273.7MB. Free memory was 245.9MB in the beginning and 244.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 256.55ms. Allocated memory is still 273.7MB. Free memory was 244.7MB in the beginning and 233.6MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 870504.39ms. Allocated memory was 273.7MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 232.3MB in the beginning and 894.6MB in the end (delta: -662.3MB). Peak memory consumption was 866.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6870, independent: 5795, independent conditional: 5795, independent unconditional: 0, dependent: 1075, dependent conditional: 1075, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5795, independent: 5795, independent conditional: 5795, 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: 5795, independent: 5795, independent conditional: 5795, 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: 5795, independent: 5795, independent conditional: 5795, 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: 5795, independent: 5795, independent conditional: 0, independent unconditional: 5795, 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: 5795, independent: 5795, independent conditional: 0, independent unconditional: 5795, 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: 5795, independent: 5795, independent conditional: 0, independent unconditional: 5795, 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: 109, independent: 109, independent conditional: 0, independent unconditional: 109, 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: 109, independent: 109, independent conditional: 0, independent unconditional: 109, 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: 5795, independent: 5686, independent conditional: 0, independent unconditional: 5686, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 109, unknown conditional: 0, unknown unconditional: 109] , Statistics on independence cache: Total cache size (in pairs): 109, Positive cache size: 109, Positive conditional cache size: 0, Positive unconditional cache size: 109, 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: 5795, independent: 5795, independent conditional: 0, independent unconditional: 5795, 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: 5795, independent: 5795, independent conditional: 0, independent unconditional: 5795, 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: 5795, independent: 5795, independent conditional: 0, independent unconditional: 5795, 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: 109, independent: 109, independent conditional: 0, independent unconditional: 109, 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: 109, independent: 109, independent conditional: 0, independent unconditional: 109, 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: 5795, independent: 5686, independent conditional: 0, independent unconditional: 5686, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 109, unknown conditional: 0, unknown unconditional: 109] , Statistics on independence cache: Total cache size (in pairs): 109, Positive cache size: 109, Positive conditional cache size: 0, Positive unconditional cache size: 109, 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: 1075 - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 48 with TraceHistMax 4,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-4-3-3-5-13-5-13-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-13-4-12-4-12-4-12-4-12-4-11-4-11-4-9-4-9-4-9-4-9-4-9-4-9-4-9-4-6-4-6-3-6-3-6-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-44-13-13-13-13-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-13-15-12-15-12-15-12-15-12-15-11-15-11-15-9-15-9-15-9-15-9-15-9-15-9-15-9-13-6-12-6-12-6-12-6-12-4-11-4-11-4-9-4-9-4-9-4-9-4-9-4-9-4-9-4-6-4-6-3-6-3-6-3-2-2-1 context. - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 48 with TraceHistMax 4,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-4-3-3-5-13-5-13-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-13-4-12-4-12-4-12-4-12-4-11-4-11-4-9-4-9-4-9-4-9-4-9-4-9-4-9-4-6-4-6-3-6-3-6-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-44-13-13-13-13-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-13-15-12-15-12-15-12-15-12-15-11-15-11-15-9-15-9-15-9-15-9-15-9-15-9-15-9-13-6-12-6-12-6-12-6-12-4-11-4-11-4-9-4-9-4-9-4-9-4-9-4-9-4-9-4-6-4-6-3-6-3-6-3-2-2-1 context. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 48 with TraceHistMax 4,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-4-3-3-5-13-5-13-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-13-4-12-4-12-4-12-4-12-4-11-4-11-4-9-4-9-4-9-4-9-4-9-4-9-4-9-4-6-4-6-3-6-3-6-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-44-13-13-13-13-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-13-15-12-15-12-15-12-15-12-15-11-15-11-15-9-15-9-15-9-15-9-15-9-15-9-15-9-13-6-12-6-12-6-12-6-12-4-11-4-11-4-9-4-9-4-9-4-9-4-9-4-9-4-9-4-6-4-6-3-6-3-6-3-2-2-1 context. - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 48 with TraceHistMax 4,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-4-3-3-5-13-5-13-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-5-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-15-4-13-4-12-4-12-4-12-4-12-4-11-4-11-4-9-4-9-4-9-4-9-4-9-4-9-4-9-4-6-4-6-3-6-3-6-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-44-13-13-13-13-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-13-15-12-15-12-15-12-15-12-15-11-15-11-15-9-15-9-15-9-15-9-15-9-15-9-15-9-13-6-12-6-12-6-12-6-12-4-11-4-11-4-9-4-9-4-9-4-9-4-9-4-9-4-9-4-6-4-6-3-6-3-6-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 870.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 9.9s, 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: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 303 NumberOfCodeBlocks, 303 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 407 ConstructedInterpolants, 7 QuantifiedInterpolants, 15799 SizeOfPredicates, 23 NumberOfNonLiveVariables, 320 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 42/102 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown