/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 19:13:22,151 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 19:13:22,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 19:13:22,274 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 19:13:22,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 19:13:22,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 19:13:22,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 19:13:22,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 19:13:22,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 19:13:22,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 19:13:22,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 19:13:22,276 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 19:13:22,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 19:13:22,277 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 19:13:22,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 19:13:22,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 19:13:22,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 19:13:22,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 19:13:22,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 19:13:22,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 19:13:22,278 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 19:13:22,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 19:13:22,279 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 19:13:22,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 19:13:22,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 19:13:22,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 19:13:22,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 19:13:22,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 19:13:22,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 19:13:22,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 19:13:22,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 19:13:22,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 19:13:22,280 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 19:13:22,280 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 19:13:22,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 19:13:22,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 19:13:22,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 19:13:22,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 19:13:22,281 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 19:13:22,281 INFO L138 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-19 19:13:22,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 19:13:22,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 19:13:22,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 19:13:22,593 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 19:13:22,594 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 19:13:22,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2023-05-19 19:13:22,595 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2023-05-19 19:13:22,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 19:13:22,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 19:13:22,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 19:13:22,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 19:13:22,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 19:13:22,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:13:22" (1/1) ... [2023-05-19 19:13:22,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:13:22" (1/1) ... [2023-05-19 19:13:22,645 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 19:13:22,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 19:13:22,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 19:13:22,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 19:13:22,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 19:13:22,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:13:22" (1/1) ... [2023-05-19 19:13:22,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:13:22" (1/1) ... [2023-05-19 19:13:22,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:13:22" (1/1) ... [2023-05-19 19:13:22,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:13:22" (1/1) ... [2023-05-19 19:13:22,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:13:22" (1/1) ... [2023-05-19 19:13:22,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:13:22" (1/1) ... [2023-05-19 19:13:22,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:13:22" (1/1) ... [2023-05-19 19:13:22,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:13:22" (1/1) ... [2023-05-19 19:13:22,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 19:13:22,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 19:13:22,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 19:13:22,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 19:13:22,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:13:22" (1/1) ... [2023-05-19 19:13:22,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 19:13:22,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:13:22,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 19:13:22,738 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 19:13:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 19:13:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 19:13:22,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 19:13:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 19:13:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 19:13:22,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 19:13:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 19:13:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 19:13:22,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 19:13:22,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 19:13:22,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 19:13:22,740 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 19:13:22,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 19:13:22,791 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 19:13:22,793 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 19:13:22,967 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 19:13:23,013 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 19:13:23,014 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 19:13:23,016 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 07:13:23 BoogieIcfgContainer [2023-05-19 19:13:23,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 19:13:23,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 19:13:23,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 19:13:23,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 19:13:23,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:13:22" (1/2) ... [2023-05-19 19:13:23,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cb585b and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 07:13:23, skipping insertion in model container [2023-05-19 19:13:23,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 07:13:23" (2/2) ... [2023-05-19 19:13:23,048 INFO L112 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2023-05-19 19:13:23,055 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 19:13:23,062 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 19:13:23,063 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 19:13:23,063 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 19:13:23,144 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 19:13:23,193 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 19:13:23,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 19:13:23,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:13:23,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 19:13:23,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 19:13:23,249 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 19:13:23,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 19:13:23,278 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=LoopsAndPotentialCycles, 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;@5e2156aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 19:13:23,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 19:13:23,465 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)] === [2023-05-19 19:13:23,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:13:23,469 INFO L85 PathProgramCache]: Analyzing trace with hash -630230637, now seen corresponding path program 1 times [2023-05-19 19:13:23,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:13:23,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002490890] [2023-05-19 19:13:23,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:13:23,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:13:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:13:23,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:13:23,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:13:23,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002490890] [2023-05-19 19:13:23,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002490890] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 19:13:23,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 19:13:23,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-19 19:13:23,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164198233] [2023-05-19 19:13:23,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 19:13:23,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 19:13:23,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:13:23,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 19:13:23,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 19:13:23,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:23,728 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:13:23,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2023-05-19 19:13:23,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:23,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:23,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 19:13:23,820 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)] === [2023-05-19 19:13:23,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:13:23,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1937441847, now seen corresponding path program 1 times [2023-05-19 19:13:23,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:13:23,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454025885] [2023-05-19 19:13:23,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:13:23,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:13:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:13:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:13:23,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:13:23,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454025885] [2023-05-19 19:13:23,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454025885] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 19:13:23,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 19:13:23,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-19 19:13:23,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018697113] [2023-05-19 19:13:23,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 19:13:23,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 19:13:23,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:13:23,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 19:13:23,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 19:13:23,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:23,900 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:13:23,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2023-05-19 19:13:23,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:23,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:23,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:23,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:23,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 19:13:23,936 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)] === [2023-05-19 19:13:23,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:13:23,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1814519891, now seen corresponding path program 2 times [2023-05-19 19:13:23,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:13:23,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017789672] [2023-05-19 19:13:23,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:13:23,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:13:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:13:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 19:13:24,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:13:24,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017789672] [2023-05-19 19:13:24,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017789672] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:13:24,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869145670] [2023-05-19 19:13:24,096 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 19:13:24,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:13:24,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:13:24,102 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:13:24,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 19:13:24,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 19:13:24,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:13:24,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-19 19:13:24,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:13:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 19:13:24,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:13:24,342 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 63 treesize of output 61 [2023-05-19 19:13:24,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 61 treesize of output 59 [2023-05-19 19:13:24,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 19:13:24,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869145670] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:13:24,397 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:13:24,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-05-19 19:13:24,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115798584] [2023-05-19 19:13:24,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:13:24,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-19 19:13:24,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:13:24,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-19 19:13:24,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-05-19 19:13:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:24,405 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:13:24,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2023-05-19 19:13:24,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:24,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:24,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:24,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:24,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:24,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:13:24,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 19:13:24,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-19 19:13:24,841 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)] === [2023-05-19 19:13:24,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:13:24,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1067082263, now seen corresponding path program 3 times [2023-05-19 19:13:24,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:13:24,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095158421] [2023-05-19 19:13:24,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:13:24,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:13:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:13:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 19:13:25,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:13:25,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095158421] [2023-05-19 19:13:25,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095158421] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:13:25,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157006372] [2023-05-19 19:13:25,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 19:13:25,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:13:25,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:13:25,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:13:25,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 19:13:25,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-19 19:13:25,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:13:25,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-19 19:13:25,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:13:25,250 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 7 [2023-05-19 19:13:25,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2023-05-19 19:13:25,330 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 19:13:25,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:13:25,377 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:25,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 18 [2023-05-19 19:13:25,474 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:25,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 25 [2023-05-19 19:13:25,511 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 19:13:25,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157006372] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:13:25,512 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:13:25,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2023-05-19 19:13:25,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248649923] [2023-05-19 19:13:25,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:13:25,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-19 19:13:25,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:13:25,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-19 19:13:25,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-05-19 19:13:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:25,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:13:25,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 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) [2023-05-19 19:13:25,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:25,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:25,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:13:25,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:13:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:13:25,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 19:13:25,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:13:25,962 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)] === [2023-05-19 19:13:25,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:13:25,963 INFO L85 PathProgramCache]: Analyzing trace with hash -2110520937, now seen corresponding path program 4 times [2023-05-19 19:13:25,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:13:25,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000084230] [2023-05-19 19:13:25,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:13:25,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:13:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:13:26,328 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-19 19:13:26,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:13:26,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000084230] [2023-05-19 19:13:26,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000084230] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:13:26,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888237021] [2023-05-19 19:13:26,331 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 19:13:26,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:13:26,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:13:26,332 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:13:26,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 19:13:26,390 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 19:13:26,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:13:26,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-19 19:13:26,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:13:26,574 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:26,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 10 [2023-05-19 19:13:26,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2023-05-19 19:13:26,673 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:13:26,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:13:26,721 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:26,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 18 [2023-05-19 19:13:26,958 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:26,958 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 86 treesize of output 106 [2023-05-19 19:13:26,965 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 61 treesize of output 59 [2023-05-19 19:13:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:13:27,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888237021] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:13:27,138 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:13:27,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 10] total 20 [2023-05-19 19:13:27,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201184122] [2023-05-19 19:13:27,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:13:27,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-19 19:13:27,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:13:27,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-19 19:13:27,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2023-05-19 19:13:27,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:27,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:13:27,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.142857142857143) internal successors, (108), 20 states have internal predecessors, (108), 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) [2023-05-19 19:13:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:13:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:13:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:28,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:28,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:28,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:13:28,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:13:28,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 19:13:28,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-19 19:13:28,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:13:28,323 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)] === [2023-05-19 19:13:28,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:13:28,323 INFO L85 PathProgramCache]: Analyzing trace with hash -252123217, now seen corresponding path program 5 times [2023-05-19 19:13:28,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:13:28,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134654884] [2023-05-19 19:13:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:13:28,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:13:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:13:28,908 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 19:13:28,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:13:28,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134654884] [2023-05-19 19:13:28,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134654884] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:13:28,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379597685] [2023-05-19 19:13:28,913 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 19:13:28,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:13:28,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:13:28,914 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:13:28,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 19:13:28,971 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-19 19:13:28,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:13:28,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-19 19:13:28,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:13:29,264 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:29,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 13 [2023-05-19 19:13:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 19:13:29,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:13:29,709 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 63 treesize of output 61 [2023-05-19 19:13:29,742 INFO L356 Elim1Store]: treesize reduction 10, result has 79.6 percent of original size [2023-05-19 19:13:29,743 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 103 treesize of output 127 [2023-05-19 19:13:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 19:13:29,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379597685] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:13:29,975 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:13:29,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 27 [2023-05-19 19:13:29,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491191658] [2023-05-19 19:13:29,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:13:29,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-19 19:13:29,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:13:29,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-19 19:13:29,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=641, Unknown=0, NotChecked=0, Total=756 [2023-05-19 19:13:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:29,977 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:13:29,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.321428571428571) internal successors, (149), 27 states have internal predecessors, (149), 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) [2023-05-19 19:13:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:13:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:13:29,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 19:13:29,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:13:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:13:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:13:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-19 19:13:32,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 19:13:32,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:13:32,889 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)] === [2023-05-19 19:13:32,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:13:32,889 INFO L85 PathProgramCache]: Analyzing trace with hash 12866422, now seen corresponding path program 6 times [2023-05-19 19:13:32,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:13:32,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414751948] [2023-05-19 19:13:32,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:13:32,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:13:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:13:33,856 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 73 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-19 19:13:33,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:13:33,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414751948] [2023-05-19 19:13:33,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414751948] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:13:33,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646485014] [2023-05-19 19:13:33,857 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 19:13:33,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:13:33,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:13:33,858 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:13:33,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 19:13:33,915 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-05-19 19:13:33,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:13:33,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-19 19:13:33,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:13:34,461 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:34,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 92 treesize of output 86 [2023-05-19 19:13:34,675 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:34,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 16 [2023-05-19 19:13:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 2 proven. 85 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 19:13:34,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:13:35,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 63 treesize of output 61 [2023-05-19 19:13:35,731 INFO L356 Elim1Store]: treesize reduction 30, result has 65.5 percent of original size [2023-05-19 19:13:35,732 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 145 treesize of output 173 [2023-05-19 19:13:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 83 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 19:13:36,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646485014] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:13:36,098 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:13:36,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 35 [2023-05-19 19:13:36,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291337239] [2023-05-19 19:13:36,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:13:36,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-05-19 19:13:36,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:13:36,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-05-19 19:13:36,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1094, Unknown=0, NotChecked=0, Total=1260 [2023-05-19 19:13:36,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:36,100 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:13:36,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.861111111111111) internal successors, (175), 35 states have internal predecessors, (175), 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) [2023-05-19 19:13:36,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:36,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:36,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:13:36,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:13:36,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:13:36,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-19 19:13:36,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:41,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:41,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:41,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:13:41,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:13:41,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:13:41,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:13:41,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:13:42,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 19:13:42,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:13:42,193 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)] === [2023-05-19 19:13:42,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:13:42,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1991217854, now seen corresponding path program 7 times [2023-05-19 19:13:42,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:13:42,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693405536] [2023-05-19 19:13:42,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:13:42,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:13:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:13:42,825 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 46 proven. 89 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-19 19:13:42,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:13:42,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693405536] [2023-05-19 19:13:42,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693405536] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:13:42,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912119224] [2023-05-19 19:13:42,826 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 19:13:42,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:13:42,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:13:42,827 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:13:42,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 19:13:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:13:42,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-19 19:13:42,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:13:43,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:13:43,406 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:13:43,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:13:43,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2023-05-19 19:13:43,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2023-05-19 19:13:43,468 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 48 proven. 86 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-19 19:13:43,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:13:43,518 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:43,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 18 [2023-05-19 19:13:43,955 INFO L356 Elim1Store]: treesize reduction 10, result has 79.6 percent of original size [2023-05-19 19:13:43,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 102 treesize of output 128 [2023-05-19 19:13:43,961 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 61 treesize of output 59 [2023-05-19 19:13:44,266 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 48 proven. 86 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-19 19:13:44,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912119224] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:13:44,267 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:13:44,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 30 [2023-05-19 19:13:44,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57652350] [2023-05-19 19:13:44,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:13:44,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-19 19:13:44,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:13:44,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-19 19:13:44,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2023-05-19 19:13:44,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:44,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:13:44,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.483870967741935) internal successors, (139), 30 states have internal predecessors, (139), 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) [2023-05-19 19:13:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:13:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:13:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:13:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:13:44,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:13:44,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:13:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:13:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:13:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:13:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:13:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:13:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:13:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:13:45,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 19:13:46,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:13:46,165 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:13:46,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:13:46,165 INFO L85 PathProgramCache]: Analyzing trace with hash -966400004, now seen corresponding path program 8 times [2023-05-19 19:13:46,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:13:46,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060877190] [2023-05-19 19:13:46,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:13:46,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:13:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:13:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 36 proven. 125 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 19:13:47,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:13:47,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060877190] [2023-05-19 19:13:47,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060877190] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:13:47,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17171366] [2023-05-19 19:13:47,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 19:13:47,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:13:47,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:13:47,403 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:13:47,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 19:13:47,464 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 19:13:47,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:13:47,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 62 conjunts are in the unsatisfiable core [2023-05-19 19:13:47,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:13:48,520 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:48,521 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 47 treesize of output 31 [2023-05-19 19:13:50,017 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:50,018 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 226 treesize of output 188 [2023-05-19 19:13:50,989 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:50,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 26 [2023-05-19 19:13:51,038 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:13:51,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:13:53,861 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:13:53,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 45 treesize of output 69 [2023-05-19 19:13:55,507 INFO L356 Elim1Store]: treesize reduction 64, result has 75.5 percent of original size [2023-05-19 19:13:55,507 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 369 treesize of output 499 [2023-05-19 19:13:55,667 INFO L356 Elim1Store]: treesize reduction 58, result has 64.4 percent of original size [2023-05-19 19:13:55,668 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 300 treesize of output 340 [2023-05-19 19:14:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:14:24,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17171366] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:14:24,474 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:14:24,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 25] total 68 [2023-05-19 19:14:24,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119417566] [2023-05-19 19:14:24,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:14:24,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-05-19 19:14:24,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:14:24,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-05-19 19:14:24,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=587, Invalid=4105, Unknown=0, NotChecked=0, Total=4692 [2023-05-19 19:14:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:14:24,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:14:24,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 3.36231884057971) internal successors, (232), 68 states have internal predecessors, (232), 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) [2023-05-19 19:14:24,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:14:24,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:14:24,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:14:24,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:14:24,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:14:24,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:14:24,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:14:24,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:14:24,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:15:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:15:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:15:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:15:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:15:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 19:15:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:15:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:15:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:15:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-19 19:15:00,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 19:15:00,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-19 19:15:00,322 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:15:00,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:15:00,323 INFO L85 PathProgramCache]: Analyzing trace with hash 2109391220, now seen corresponding path program 9 times [2023-05-19 19:15:00,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:15:00,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307163060] [2023-05-19 19:15:00,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:15:00,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:15:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:15:00,482 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 46 proven. 48 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-05-19 19:15:00,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:15:00,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307163060] [2023-05-19 19:15:00,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307163060] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:15:00,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166908561] [2023-05-19 19:15:00,483 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 19:15:00,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:15:00,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:15:00,484 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:15:00,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-19 19:15:00,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-19 19:15:00,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:15:00,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-19 19:15:00,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:15:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-05-19 19:15:00,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:15:00,829 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-05-19 19:15:00,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166908561] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:15:00,830 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:15:00,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 4 [2023-05-19 19:15:00,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568060161] [2023-05-19 19:15:00,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:15:00,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 19:15:00,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:15:00,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 19:15:00,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-19 19:15:00,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:15:00,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:15:00,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2023-05-19 19:15:00,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:15:00,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:15:00,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:15:00,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:15:00,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 19:15:00,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:15:00,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:15:00,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:15:00,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-19 19:15:00,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:15:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:15:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:15:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:15:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:15:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 19:15:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:15:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:15:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:15:00,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-19 19:15:00,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:15:00,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-19 19:15:01,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-19 19:15:01,148 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:15:01,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:15:01,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1991469734, now seen corresponding path program 10 times [2023-05-19 19:15:01,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:15:01,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340399171] [2023-05-19 19:15:01,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:15:01,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:15:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:15:03,875 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 12 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:15:03,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:15:03,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340399171] [2023-05-19 19:15:03,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340399171] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:15:03,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726092337] [2023-05-19 19:15:03,876 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 19:15:03,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:15:03,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:15:03,882 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:15:03,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-19 19:15:03,932 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 19:15:03,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:15:03,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 62 conjunts are in the unsatisfiable core [2023-05-19 19:15:03,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:15:04,179 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 13 [2023-05-19 19:15:06,416 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:15:06,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 162 treesize of output 160 [2023-05-19 19:15:07,214 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:15:07,214 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 46 treesize of output 22 [2023-05-19 19:15:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 21 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:15:07,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:15:10,267 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:15:10,267 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 23 [2023-05-19 19:15:11,865 INFO L356 Elim1Store]: treesize reduction 58, result has 53.6 percent of original size [2023-05-19 19:15:11,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 389 treesize of output 379 [2023-05-19 19:15:12,027 INFO L356 Elim1Store]: treesize reduction 74, result has 66.8 percent of original size [2023-05-19 19:15:12,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 320 treesize of output 392 [2023-05-19 19:15:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 12 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:15:25,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726092337] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:15:25,848 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:15:25,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24, 24] total 71 [2023-05-19 19:15:25,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785370981] [2023-05-19 19:15:25,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:15:25,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2023-05-19 19:15:25,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:15:25,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2023-05-19 19:15:25,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=745, Invalid=4367, Unknown=0, NotChecked=0, Total=5112 [2023-05-19 19:15:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:15:25,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:15:25,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 3.625) internal successors, (261), 71 states have internal predecessors, (261), 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) [2023-05-19 19:15:25,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:15:25,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:15:25,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:15:25,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:15:25,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 19:15:25,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:15:25,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:15:25,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:15:25,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-19 19:15:25,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:15:25,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:16:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:16:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:16:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:16:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:16:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 19:16:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:16:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:16:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:16:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-05-19 19:16:07,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:16:07,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-19 19:16:07,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-19 19:16:07,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-19 19:16:07,397 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:16:07,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:16:07,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1321976301, now seen corresponding path program 11 times [2023-05-19 19:16:07,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:16:07,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63904440] [2023-05-19 19:16:07,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:16:07,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:16:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:16:10,779 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 1 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:16:10,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:16:10,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63904440] [2023-05-19 19:16:10,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63904440] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:16:10,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240587859] [2023-05-19 19:16:10,780 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 19:16:10,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:16:10,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:16:10,782 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:16:10,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-19 19:16:10,848 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-19 19:16:10,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:16:10,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 73 conjunts are in the unsatisfiable core [2023-05-19 19:16:10,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:16:17,536 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:16:17,536 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 343 treesize of output 309 [2023-05-19 19:16:20,309 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:16:20,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 70 treesize of output 38 [2023-05-19 19:16:20,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:16:20,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:16:20,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:16:20,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:16:20,602 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:16:20,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:16:20,603 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:16:20,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2023-05-19 19:16:20,725 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 19 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:16:20,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:16:29,706 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:16:29,707 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:16:29,707 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:16:29,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:16:29,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:16:29,749 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:16:29,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 61 treesize of output 127 [2023-05-19 19:16:33,012 INFO L356 Elim1Store]: treesize reduction 64, result has 78.7 percent of original size [2023-05-19 19:16:33,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 436 treesize of output 590 [2023-05-19 19:16:33,210 INFO L356 Elim1Store]: treesize reduction 68, result has 64.8 percent of original size [2023-05-19 19:16:33,211 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 372 treesize of output 406 [2023-05-19 19:17:54,766 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 12 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:17:54,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240587859] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:17:54,766 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:17:54,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37, 38] total 107 [2023-05-19 19:17:54,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752583320] [2023-05-19 19:17:54,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:17:54,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2023-05-19 19:17:54,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:17:54,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2023-05-19 19:17:54,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2047, Invalid=9508, Unknown=1, NotChecked=0, Total=11556 [2023-05-19 19:17:54,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:17:54,771 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:17:54,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 2.5277777777777777) internal successors, (273), 107 states have internal predecessors, (273), 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) [2023-05-19 19:17:54,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 19:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2023-05-19 19:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-19 19:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:18:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:18:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:18:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:18:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:18:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 19:18:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:18:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:18:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:18:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-05-19 19:18:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:18:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-19 19:18:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2023-05-19 19:18:30,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-19 19:18:31,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-19 19:18:31,013 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:18:31,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:18:31,013 INFO L85 PathProgramCache]: Analyzing trace with hash -860794393, now seen corresponding path program 12 times [2023-05-19 19:18:31,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:18:31,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299468226] [2023-05-19 19:18:31,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:18:31,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:18:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:18:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 129 proven. 229 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 19:18:31,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:18:31,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299468226] [2023-05-19 19:18:31,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299468226] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:18:31,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524657017] [2023-05-19 19:18:31,867 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 19:18:31,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:18:31,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:18:31,868 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:18:31,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-19 19:18:31,951 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-05-19 19:18:31,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:18:31,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-19 19:18:31,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:18:32,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 13 [2023-05-19 19:18:34,390 INFO L356 Elim1Store]: treesize reduction 138, result has 4.8 percent of original size [2023-05-19 19:18:34,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 202 treesize of output 164 [2023-05-19 19:18:34,398 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:18:34,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 134 treesize of output 110 [2023-05-19 19:18:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 73 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:18:35,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:18:38,014 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:18:38,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 23 [2023-05-19 19:18:39,903 INFO L356 Elim1Store]: treesize reduction 132, result has 9.0 percent of original size [2023-05-19 19:18:39,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 433 treesize of output 367 [2023-05-19 19:18:39,981 INFO L356 Elim1Store]: treesize reduction 58, result has 53.6 percent of original size [2023-05-19 19:18:39,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 355 treesize of output 345 [2023-05-19 19:18:41,845 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 134 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:18:41,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524657017] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:18:41,845 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:18:41,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 26, 25] total 57 [2023-05-19 19:18:41,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794527612] [2023-05-19 19:18:41,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:18:41,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-05-19 19:18:41,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:18:41,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-05-19 19:18:41,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=911, Invalid=2395, Unknown=0, NotChecked=0, Total=3306 [2023-05-19 19:18:41,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:18:41,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:18:41,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 4.448275862068965) internal successors, (258), 57 states have internal predecessors, (258), 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) [2023-05-19 19:18:41,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:18:41,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:18:41,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:18:41,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:18:41,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 19:18:41,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:18:41,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:18:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:18:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2023-05-19 19:18:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:18:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-19 19:18:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2023-05-19 19:18:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:18:48,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:18:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:18:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:18:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:18:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 19:18:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:18:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 19:18:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:18:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2023-05-19 19:18:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:18:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-19 19:18:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-05-19 19:18:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-19 19:18:48,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-19 19:18:48,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-19 19:18:48,647 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:18:48,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:18:48,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1709826891, now seen corresponding path program 13 times [2023-05-19 19:18:48,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:18:48,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456515383] [2023-05-19 19:18:48,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:18:48,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:18:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:18:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:18:52,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:18:52,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456515383] [2023-05-19 19:18:52,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456515383] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:18:52,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453727546] [2023-05-19 19:18:52,085 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 19:18:52,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:18:52,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:18:52,086 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:18:52,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-19 19:18:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:18:52,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 83 conjunts are in the unsatisfiable core [2023-05-19 19:18:52,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:18:57,525 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:18:57,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 337 treesize of output 331 [2023-05-19 19:19:04,924 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:19:04,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 296 treesize of output 1822 Received shutdown request... [2023-05-19 19:26:37,951 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-19 19:26:37,951 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 19:26:37,953 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-19 19:26:37,958 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 19:26:37,961 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2023-05-19 19:26:37,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-19 19:26:38,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-19 19:26:38,157 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 98 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 22ms.. [2023-05-19 19:26:38,159 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 19:26:38,159 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 19:26:38,159 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 19:26:38,163 INFO L444 BasicCegarLoop]: Path program histogram: [13, 1] [2023-05-19 19:26:38,166 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 19:26:38,166 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 19:26:38,168 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 07:26:38 BasicIcfg [2023-05-19 19:26:38,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 19:26:38,168 INFO L158 Benchmark]: Toolchain (without parser) took 795550.87ms. Allocated memory was 177.2MB in the beginning and 792.7MB in the end (delta: 615.5MB). Free memory was 136.8MB in the beginning and 602.2MB in the end (delta: -465.4MB). Peak memory consumption was 532.6MB. Max. memory is 8.0GB. [2023-05-19 19:26:38,168 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 177.2MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 19:26:38,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.56ms. Allocated memory is still 177.2MB. Free memory was 136.7MB in the beginning and 135.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-19 19:26:38,169 INFO L158 Benchmark]: Boogie Preprocessor took 26.75ms. Allocated memory is still 177.2MB. Free memory was 135.1MB in the beginning and 134.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 19:26:38,169 INFO L158 Benchmark]: RCFGBuilder took 341.15ms. Allocated memory is still 177.2MB. Free memory was 134.0MB in the beginning and 121.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-05-19 19:26:38,169 INFO L158 Benchmark]: TraceAbstraction took 795149.57ms. Allocated memory was 177.2MB in the beginning and 792.7MB in the end (delta: 615.5MB). Free memory was 120.1MB in the beginning and 602.2MB in the end (delta: -482.1MB). Peak memory consumption was 514.8MB. Max. memory is 8.0GB. [2023-05-19 19:26:38,170 INFO L339 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 0.13ms. Allocated memory is still 177.2MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.56ms. Allocated memory is still 177.2MB. Free memory was 136.7MB in the beginning and 135.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.75ms. Allocated memory is still 177.2MB. Free memory was 135.1MB in the beginning and 134.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 341.15ms. Allocated memory is still 177.2MB. Free memory was 134.0MB in the beginning and 121.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 795149.57ms. Allocated memory was 177.2MB in the beginning and 792.7MB in the end (delta: 615.5MB). Free memory was 120.1MB in the beginning and 602.2MB in the end (delta: -482.1MB). Peak memory consumption was 514.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17777, independent: 13533, independent conditional: 12791, independent unconditional: 742, dependent: 4244, dependent conditional: 4241, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14076, independent: 13533, independent conditional: 12791, independent unconditional: 742, dependent: 543, dependent conditional: 540, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14076, independent: 13533, independent conditional: 12791, independent unconditional: 742, dependent: 543, dependent conditional: 540, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18520, independent: 13533, independent conditional: 3, independent unconditional: 13530, dependent: 4987, dependent conditional: 4441, dependent unconditional: 546, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18520, independent: 13533, independent conditional: 3, independent unconditional: 13530, dependent: 4987, dependent conditional: 1013, dependent unconditional: 3974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18520, independent: 13533, independent conditional: 3, independent unconditional: 13530, dependent: 4987, dependent conditional: 1013, dependent unconditional: 3974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 680, independent: 600, independent conditional: 2, independent unconditional: 598, dependent: 80, dependent conditional: 77, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 680, independent: 592, independent conditional: 0, independent unconditional: 592, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 80, dependent conditional: 77, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 80, dependent conditional: 77, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 390, independent: 99, independent conditional: 3, independent unconditional: 96, dependent: 292, dependent conditional: 267, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18520, independent: 12933, independent conditional: 1, independent unconditional: 12932, dependent: 4907, dependent conditional: 936, dependent unconditional: 3971, unknown: 680, unknown conditional: 79, unknown unconditional: 601] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 600, Positive conditional cache size: 2, Positive unconditional cache size: 598, Negative cache size: 80, Negative conditional cache size: 77, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3428, Maximal queried relation: 13, Independence queries for same thread: 3701 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 128, Number of trivial persistent sets: 53, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 745, independent: 742, independent conditional: 0, independent unconditional: 742, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17777, independent: 13533, independent conditional: 12791, independent unconditional: 742, dependent: 4244, dependent conditional: 4241, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14076, independent: 13533, independent conditional: 12791, independent unconditional: 742, dependent: 543, dependent conditional: 540, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14076, independent: 13533, independent conditional: 12791, independent unconditional: 742, dependent: 543, dependent conditional: 540, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18520, independent: 13533, independent conditional: 3, independent unconditional: 13530, dependent: 4987, dependent conditional: 4441, dependent unconditional: 546, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18520, independent: 13533, independent conditional: 3, independent unconditional: 13530, dependent: 4987, dependent conditional: 1013, dependent unconditional: 3974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18520, independent: 13533, independent conditional: 3, independent unconditional: 13530, dependent: 4987, dependent conditional: 1013, dependent unconditional: 3974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 680, independent: 600, independent conditional: 2, independent unconditional: 598, dependent: 80, dependent conditional: 77, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 680, independent: 592, independent conditional: 0, independent unconditional: 592, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 80, dependent conditional: 77, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 80, dependent conditional: 77, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 390, independent: 99, independent conditional: 3, independent unconditional: 96, dependent: 292, dependent conditional: 267, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18520, independent: 12933, independent conditional: 1, independent unconditional: 12932, dependent: 4907, dependent conditional: 936, dependent unconditional: 3971, unknown: 680, unknown conditional: 79, unknown unconditional: 601] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 600, Positive conditional cache size: 2, Positive unconditional cache size: 598, Negative cache size: 80, Negative conditional cache size: 77, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3428, Maximal queried relation: 13, Independence queries for same thread: 3701 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 98 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 22ms.. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 98 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 22ms.. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 98 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 22ms.. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 98 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 22ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 794.9s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 131.7s, 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: 718, 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: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 190.0s InterpolantComputationTime, 1637 NumberOfCodeBlocks, 1637 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 2395 ConstructedInterpolants, 127 QuantifiedInterpolants, 78448 SizeOfPredicates, 147 NumberOfNonLiveVariables, 1998 ConjunctsInSsa, 361 ConjunctsInUnsatCore, 35 InterpolantComputations, 2 PerfectInterpolantSequences, 1528/4940 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