/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/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 18:56:46,366 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 18:56:46,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 18:56:46,483 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 18:56:46,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 18:56:46,484 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 18:56:46,484 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 18:56:46,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 18:56:46,485 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 18:56:46,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 18:56:46,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 18:56:46,486 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 18:56:46,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 18:56:46,487 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 18:56:46,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 18:56:46,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 18:56:46,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 18:56:46,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 18:56:46,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 18:56:46,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 18:56:46,488 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 18:56:46,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 18:56:46,488 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 18:56:46,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 18:56:46,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 18:56:46,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 18:56:46,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 18:56:46,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 18:56:46,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 18:56:46,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 18:56:46,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 18:56:46,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 18:56:46,490 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 18:56:46,491 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 18:56:46,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 18:56:46,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 18:56:46,491 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 18:56:46,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 18:56:46,492 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 18:56:46,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-19 18:56:46,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 18:56:46,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 18:56:46,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 18:56:46,741 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 18:56:46,744 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 18:56:46,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2023-05-19 18:56:46,745 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2023-05-19 18:56:46,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 18:56:46,779 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 18:56:46,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 18:56:46,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 18:56:46,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 18:56:46,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:56:46" (1/1) ... [2023-05-19 18:56:46,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:56:46" (1/1) ... [2023-05-19 18:56:46,801 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 18:56:46,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 18:56:46,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 18:56:46,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 18:56:46,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 18:56:46,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:56:46" (1/1) ... [2023-05-19 18:56:46,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:56:46" (1/1) ... [2023-05-19 18:56:46,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:56:46" (1/1) ... [2023-05-19 18:56:46,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:56:46" (1/1) ... [2023-05-19 18:56:46,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:56:46" (1/1) ... [2023-05-19 18:56:46,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:56:46" (1/1) ... [2023-05-19 18:56:46,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:56:46" (1/1) ... [2023-05-19 18:56:46,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:56:46" (1/1) ... [2023-05-19 18:56:46,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 18:56:46,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 18:56:46,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 18:56:46,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 18:56:46,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:56:46" (1/1) ... [2023-05-19 18:56:46,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 18:56:46,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:56:46,849 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 18:56:46,862 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 18:56:46,888 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 18:56:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 18:56:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 18:56:46,889 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 18:56:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 18:56:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 18:56:46,889 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 18:56:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 18:56:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 18:56:46,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 18:56:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 18:56:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 18:56:46,892 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 18:56:46,935 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 18:56:46,937 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 18:56:47,008 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 18:56:47,022 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 18:56:47,022 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 18:56:47,024 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 06:56:47 BoogieIcfgContainer [2023-05-19 18:56:47,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 18:56:47,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 18:56:47,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 18:56:47,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 18:56:47,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:56:46" (1/2) ... [2023-05-19 18:56:47,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68aa2ae9 and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 06:56:47, skipping insertion in model container [2023-05-19 18:56:47,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 06:56:47" (2/2) ... [2023-05-19 18:56:47,032 INFO L112 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2023-05-19 18:56:47,038 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 18:56:47,045 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 18:56:47,045 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 18:56:47,046 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 18:56:47,079 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 18:56:47,152 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 18:56:47,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 18:56:47,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:56:47,168 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 18:56:47,214 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 18:56:47,252 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 18:56:47,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 18:56:47,297 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;@78d9caa4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 18:56:47,297 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 18:56:47,495 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 18:56:47,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:56:47,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1405397540, now seen corresponding path program 1 times [2023-05-19 18:56:47,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:56:47,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280831704] [2023-05-19 18:56:47,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:56:47,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:56:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:56:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:47,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:56:47,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280831704] [2023-05-19 18:56:47,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280831704] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:56:47,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143279334] [2023-05-19 18:56:47,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:56:47,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:56:47,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:56:47,833 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 18:56:47,864 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 18:56:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:56:47,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-19 18:56:47,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:56:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:48,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:56:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:48,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143279334] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:56:48,163 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:56:48,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 10 [2023-05-19 18:56:48,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653221408] [2023-05-19 18:56:48,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:56:48,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 18:56:48,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:56:48,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 18:56:48,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-05-19 18:56:48,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:56:48,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:56:48,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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 18:56:48,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:56:48,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:56:48,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-19 18:56:48,641 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,SelfDestructingSolverStorable0 [2023-05-19 18:56:48,641 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 18:56:48,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:56:48,642 INFO L85 PathProgramCache]: Analyzing trace with hash -677618260, now seen corresponding path program 2 times [2023-05-19 18:56:48,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:56:48,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276007188] [2023-05-19 18:56:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:56:48,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:56:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:56:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:48,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:56:48,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276007188] [2023-05-19 18:56:48,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276007188] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:56:48,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632645276] [2023-05-19 18:56:48,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 18:56:48,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:56:48,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:56:48,873 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 18:56:48,891 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 18:56:48,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 18:56:48,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:56:48,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-19 18:56:48,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:56:49,098 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 18:56:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:49,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:56:49,260 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:56:49,261 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 16 treesize of output 20 [2023-05-19 18:56:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:49,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632645276] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:56:49,402 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:56:49,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2023-05-19 18:56:49,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037941372] [2023-05-19 18:56:49,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:56:49,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-19 18:56:49,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:56:49,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-19 18:56:49,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2023-05-19 18:56:49,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:56:49,410 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:56:49,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 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 18:56:49,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:56:49,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:56:49,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:56:49,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:56:49,909 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 18:56:50,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:56:50,101 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 18:56:50,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:56:50,102 INFO L85 PathProgramCache]: Analyzing trace with hash 419162975, now seen corresponding path program 3 times [2023-05-19 18:56:50,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:56:50,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561756896] [2023-05-19 18:56:50,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:56:50,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:56:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:56:50,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:50,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:56:50,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561756896] [2023-05-19 18:56:50,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561756896] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:56:50,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385937248] [2023-05-19 18:56:50,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 18:56:50,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:56:50,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:56:50,183 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 18:56:50,186 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 18:56:50,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-19 18:56:50,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:56:50,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-19 18:56:50,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:56:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 18:56:50,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-19 18:56:50,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385937248] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 18:56:50,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-19 18:56:50,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2023-05-19 18:56:50,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022963482] [2023-05-19 18:56:50,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 18:56:50,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 18:56:50,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:56:50,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 18:56:50,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-19 18:56:50,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:56:50,237 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:56:50,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 18:56:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:56:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:56:50,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:56:50,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:56:50,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:56:50,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:56:50,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 18:56:50,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:56:50,504 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 18:56:50,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:56:50,504 INFO L85 PathProgramCache]: Analyzing trace with hash -138689041, now seen corresponding path program 4 times [2023-05-19 18:56:50,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:56:50,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966868775] [2023-05-19 18:56:50,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:56:50,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:56:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:56:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:50,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:56:50,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966868775] [2023-05-19 18:56:50,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966868775] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:56:50,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791463975] [2023-05-19 18:56:50,816 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 18:56:50,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:56:50,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:56:50,817 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 18:56:50,842 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 18:56:50,857 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 18:56:50,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:56:50,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-19 18:56:50,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:56:51,149 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:56:51,149 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 25 treesize of output 13 [2023-05-19 18:56:51,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:51,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:56:51,396 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:56:51,397 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 29 treesize of output 53 [2023-05-19 18:56:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:51,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791463975] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:56:51,604 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:56:51,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 32 [2023-05-19 18:56:51,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834584860] [2023-05-19 18:56:51,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:56:51,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-19 18:56:51,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:56:51,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-19 18:56:51,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=830, Unknown=0, NotChecked=0, Total=992 [2023-05-19 18:56:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:56:51,606 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:56:51,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.125) internal successors, (68), 32 states have internal predecessors, (68), 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 18:56:51,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:56:51,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:56:51,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:56:51,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:56:54,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:56:54,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:56:54,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:56:54,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:56:54,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-19 18:56:54,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:56:54,293 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 18:56:54,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:56:54,294 INFO L85 PathProgramCache]: Analyzing trace with hash 863215174, now seen corresponding path program 5 times [2023-05-19 18:56:54,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:56:54,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621823908] [2023-05-19 18:56:54,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:56:54,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:56:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:56:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 18:56:54,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:56:54,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621823908] [2023-05-19 18:56:54,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621823908] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:56:54,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529428343] [2023-05-19 18:56:54,693 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 18:56:54,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:56:54,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:56:54,697 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 18:56:54,720 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 18:56:54,733 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-05-19 18:56:54,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:56:54,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 25 conjunts are in the unsatisfiable core [2023-05-19 18:56:54,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:56:55,429 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:56:55,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:56:55,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:56:55,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:56:55,432 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:56:55,433 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 34 treesize of output 18 [2023-05-19 18:56:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:55,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:56:55,986 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:56:55,988 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:56:55,989 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:56:55,991 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:56:55,991 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:56:56,030 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:56:56,031 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 38 treesize of output 92 [2023-05-19 18:56:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:56,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529428343] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:56:56,335 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:56:56,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 45 [2023-05-19 18:56:56,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091734337] [2023-05-19 18:56:56,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:56:56,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-05-19 18:56:56,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:56:56,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-05-19 18:56:56,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1709, Unknown=0, NotChecked=0, Total=1980 [2023-05-19 18:56:56,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:56:56,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:56:56,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.2) internal successors, (99), 45 states have internal predecessors, (99), 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 18:56:56,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:56:56,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:56:56,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:56:56,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:56:56,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:56:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:56:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:56:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:56:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:56:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:56:58,271 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 18:56:58,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:56:58,468 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 18:56:58,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:56:58,468 INFO L85 PathProgramCache]: Analyzing trace with hash -30442940, now seen corresponding path program 6 times [2023-05-19 18:56:58,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:56:58,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801593925] [2023-05-19 18:56:58,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:56:58,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:56:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:56:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 18:56:58,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:56:58,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801593925] [2023-05-19 18:56:58,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801593925] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:56:58,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736147402] [2023-05-19 18:56:58,854 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 18:56:58,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:56:58,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:56:58,856 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 18:56:58,875 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 18:56:58,893 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-05-19 18:56:58,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:56:58,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-19 18:56:58,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:56:59,498 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:56:59,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:56:59,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:56:59,500 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:56:59,501 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 38 treesize of output 18 [2023-05-19 18:56:59,572 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:56:59,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:57:00,029 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:00,030 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:00,032 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:00,064 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:57:00,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 98 [2023-05-19 18:57:00,370 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:57:00,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736147402] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:57:00,371 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:57:00,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 19] total 49 [2023-05-19 18:57:00,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495784382] [2023-05-19 18:57:00,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:57:00,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-05-19 18:57:00,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:57:00,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-05-19 18:57:00,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=2050, Unknown=0, NotChecked=0, Total=2352 [2023-05-19 18:57:00,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:57:00,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:57:00,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.020408163265306) internal successors, (99), 49 states have internal predecessors, (99), 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 18:57:00,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:57:00,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:57:00,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:57:00,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:57:00,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:57:00,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:57:06,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:57:06,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:57:06,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:57:06,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:57:06,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:57:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 18:57:06,400 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 18:57:06,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:57:06,601 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 18:57:06,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:57:06,601 INFO L85 PathProgramCache]: Analyzing trace with hash 310929351, now seen corresponding path program 7 times [2023-05-19 18:57:06,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:57:06,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342624518] [2023-05-19 18:57:06,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:57:06,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:57:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:57:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 18:57:07,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:57:07,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342624518] [2023-05-19 18:57:07,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342624518] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:57:07,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415635427] [2023-05-19 18:57:07,071 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 18:57:07,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:57:07,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:57:07,073 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 18:57:07,098 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 18:57:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:57:07,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-19 18:57:07,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:57:07,874 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:57:07,874 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 50 treesize of output 22 [2023-05-19 18:57:07,940 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:57:07,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:57:08,554 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:57:08,555 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 55 treesize of output 179 [2023-05-19 18:57:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:57:09,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415635427] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:57:09,693 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:57:09,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 53 [2023-05-19 18:57:09,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342060085] [2023-05-19 18:57:09,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:57:09,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-05-19 18:57:09,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:57:09,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-05-19 18:57:09,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=2418, Unknown=0, NotChecked=0, Total=2756 [2023-05-19 18:57:09,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:57:09,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:57:09,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 1.9245283018867925) internal successors, (102), 53 states have internal predecessors, (102), 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 18:57:09,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:57:09,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:57:09,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:57:09,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:57:09,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:57:09,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-19 18:57:09,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:57:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:57:16,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:57:16,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:57:16,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:57:16,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:57:16,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 18:57:16,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-05-19 18:57:16,478 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 18:57:16,664 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,SelfDestructingSolverStorable6 [2023-05-19 18:57:16,665 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 18:57:16,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:57:16,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1535509918, now seen corresponding path program 8 times [2023-05-19 18:57:16,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:57:16,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810627016] [2023-05-19 18:57:16,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:57:16,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:57:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:57:16,726 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 23 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-19 18:57:16,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:57:16,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810627016] [2023-05-19 18:57:16,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810627016] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:57:16,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906302967] [2023-05-19 18:57:16,727 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 18:57:16,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:57:16,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:57:16,728 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 18:57:16,737 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 18:57:16,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 18:57:16,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:57:16,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-19 18:57:16,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:57:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-19 18:57:16,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:57:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-19 18:57:16,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906302967] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:57:16,889 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:57:16,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2023-05-19 18:57:16,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165251800] [2023-05-19 18:57:16,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:57:16,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-19 18:57:16,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:57:16,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-19 18:57:16,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-05-19 18:57:16,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:57:16,892 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:57:16,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 18:57:16,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:57:16,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:57:16,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:57:16,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:57:16,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:57:16,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-19 18:57:16,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2023-05-19 18:57:16,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:57:16,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:57:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:57:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:57:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:57:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:57:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 18:57:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-05-19 18:57:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 18:57:16,994 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 18:57:17,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:57:17,193 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 18:57:17,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:57:17,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1678009950, now seen corresponding path program 9 times [2023-05-19 18:57:17,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:57:17,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367217590] [2023-05-19 18:57:17,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:57:17,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:57:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:57:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 4 proven. 65 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 18:57:17,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:57:17,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367217590] [2023-05-19 18:57:17,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367217590] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:57:17,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139817171] [2023-05-19 18:57:17,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 18:57:17,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:57:17,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:57:17,788 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 18:57:17,788 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 18:57:17,816 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-19 18:57:17,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:57:17,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 44 conjunts are in the unsatisfiable core [2023-05-19 18:57:17,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:57:18,940 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:57:18,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2023-05-19 18:57:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:57:19,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:57:19,895 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:19,899 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:19,900 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:19,901 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:19,901 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:19,902 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:19,903 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:19,905 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:19,906 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:19,911 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:57:19,980 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:57:19,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 68 treesize of output 172 [2023-05-19 18:57:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:57:20,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139817171] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:57:20,863 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:57:20,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26, 26] total 67 [2023-05-19 18:57:20,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235244522] [2023-05-19 18:57:20,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:57:20,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-05-19 18:57:20,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:57:20,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-05-19 18:57:20,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=638, Invalid=3784, Unknown=0, NotChecked=0, Total=4422 [2023-05-19 18:57:20,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:57:20,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:57:20,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.9104477611940298) internal successors, (128), 67 states have internal predecessors, (128), 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 18:57:20,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:57:20,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:57:20,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:57:20,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:57:20,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:57:20,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-19 18:57:20,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2023-05-19 18:57:20,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 18:57:20,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:57:34,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:57:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:57:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:57:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:57:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:57:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 18:57:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-05-19 18:57:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 18:57:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2023-05-19 18:57:34,590 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 18:57:34,776 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,SelfDestructingSolverStorable8 [2023-05-19 18:57:34,777 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 18:57:34,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:57:34,777 INFO L85 PathProgramCache]: Analyzing trace with hash -731783189, now seen corresponding path program 10 times [2023-05-19 18:57:34,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:57:34,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157344110] [2023-05-19 18:57:34,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:57:34,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:57:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:57:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 5 proven. 95 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 18:57:35,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:57:35,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157344110] [2023-05-19 18:57:35,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157344110] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:57:35,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358863643] [2023-05-19 18:57:35,524 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 18:57:35,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:57:35,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:57:35,525 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 18:57:35,526 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 18:57:35,563 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 18:57:35,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:57:35,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-19 18:57:35,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:57:36,827 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:57:36,828 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 74 treesize of output 30 [2023-05-19 18:57:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:57:36,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:57:38,170 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:57:38,170 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 81 treesize of output 385 [2023-05-19 18:57:43,801 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:57:43,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358863643] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:57:43,802 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:57:43,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 30, 30] total 73 [2023-05-19 18:57:43,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23284839] [2023-05-19 18:57:43,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:57:43,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-05-19 18:57:43,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:57:43,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-05-19 18:57:43,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=543, Invalid=4713, Unknown=0, NotChecked=0, Total=5256 [2023-05-19 18:57:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:57:43,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:57:43,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 73 states have internal predecessors, (135), 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 18:57:43,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:57:43,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:57:43,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:57:43,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:57:43,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:57:43,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-19 18:57:43,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2023-05-19 18:57:43,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 18:57:43,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2023-05-19 18:57:43,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:58:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:58:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:58:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:58:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:58:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:58:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 18:58:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-05-19 18:58:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 18:58:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2023-05-19 18:58:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2023-05-19 18:58:01,174 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 18:58:01,364 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,SelfDestructingSolverStorable9 [2023-05-19 18:58:01,365 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 18:58:01,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:58:01,365 INFO L85 PathProgramCache]: Analyzing trace with hash -409522998, now seen corresponding path program 11 times [2023-05-19 18:58:01,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:58:01,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133532162] [2023-05-19 18:58:01,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:58:01,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:58:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:58:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 7 proven. 132 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 18:58:02,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:58:02,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133532162] [2023-05-19 18:58:02,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133532162] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:58:02,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659166539] [2023-05-19 18:58:02,375 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 18:58:02,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:58:02,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:58:02,380 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 18:58:02,385 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 18:58:02,418 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-05-19 18:58:02,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:58:02,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 59 conjunts are in the unsatisfiable core [2023-05-19 18:58:02,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:58:04,008 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:58:04,009 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2023-05-19 18:58:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 1 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:58:04,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:58:05,715 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,716 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,716 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,717 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,718 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,723 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,724 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,726 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,727 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,728 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,730 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,731 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,731 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,732 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,734 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,735 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,735 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,735 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,736 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,738 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,739 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:58:05,870 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:58:05,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 63 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 94 treesize of output 308 [2023-05-19 18:58:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:58:07,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659166539] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:58:07,725 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:58:07,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 34] total 91 [2023-05-19 18:58:07,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008823795] [2023-05-19 18:58:07,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:58:07,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2023-05-19 18:58:07,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:58:07,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2023-05-19 18:58:07,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=995, Invalid=7195, Unknown=0, NotChecked=0, Total=8190 [2023-05-19 18:58:07,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:58:07,728 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:58:07,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 1.8021978021978022) internal successors, (164), 91 states have internal predecessors, (164), 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 18:58:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:58:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:58:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:58:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:58:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:58:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-19 18:58:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2023-05-19 18:58:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 18:58:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2023-05-19 18:58:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2023-05-19 18:58:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:58:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:58:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:58:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:58:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:58:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:58:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 18:58:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-05-19 18:58:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 18:58:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2023-05-19 18:58:41,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2023-05-19 18:58:41,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2023-05-19 18:58:41,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-19 18:58:42,048 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,SelfDestructingSolverStorable10 [2023-05-19 18:58:42,048 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 18:58:42,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:58:42,049 INFO L85 PathProgramCache]: Analyzing trace with hash 122190607, now seen corresponding path program 12 times [2023-05-19 18:58:42,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:58:42,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649800548] [2023-05-19 18:58:42,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:58:42,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:58:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:58:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 10 proven. 171 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 18:58:43,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:58:43,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649800548] [2023-05-19 18:58:43,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649800548] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:58:43,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418661775] [2023-05-19 18:58:43,114 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 18:58:43,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:58:43,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:58:43,116 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 18:58:43,116 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 18:58:43,167 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2023-05-19 18:58:43,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:58:43,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 64 conjunts are in the unsatisfiable core [2023-05-19 18:58:43,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:59:00,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:00,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,722 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:00,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:59:00,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 38 [2023-05-19 18:59:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:59:00,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:59:12,959 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,961 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,964 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,964 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,968 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,968 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,969 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,970 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,970 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,973 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,974 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,982 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,983 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,985 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,985 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,988 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,990 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,993 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,997 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,998 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:12,998 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,002 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,004 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,005 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,005 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,010 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,012 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,012 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,016 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,019 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:59:13,459 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:59:13,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 71 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 49 case distinctions, treesize of input 99 treesize of output 509 [2023-05-19 18:59:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 183 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:59:22,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418661775] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:59:22,799 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:59:22,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 38, 38] total 97 [2023-05-19 18:59:22,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10072808] [2023-05-19 18:59:22,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:59:22,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2023-05-19 18:59:22,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:59:22,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2023-05-19 18:59:22,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1701, Invalid=7605, Unknown=6, NotChecked=0, Total=9312 [2023-05-19 18:59:22,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:59:22,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:59:22,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.8865979381443299) internal successors, (183), 97 states have internal predecessors, (183), 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 18:59:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 18:59:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 18:59:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:59:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-19 18:59:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 18:59:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-19 18:59:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2023-05-19 18:59:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 18:59:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2023-05-19 18:59:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2023-05-19 18:59:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2023-05-19 18:59:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:00:01,207 WARN L233 SmtUtils]: Spent 12.56s on a formula simplification. DAG size of input: 104 DAG size of output: 103 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:00:24,038 WARN L233 SmtUtils]: Spent 17.19s on a formula simplification. DAG size of input: 110 DAG size of output: 104 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:00:51,712 WARN L233 SmtUtils]: Spent 9.04s on a formula simplification. DAG size of input: 106 DAG size of output: 106 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:01:10,785 WARN L233 SmtUtils]: Spent 13.04s on a formula simplification. DAG size of input: 109 DAG size of output: 108 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:01:44,514 WARN L233 SmtUtils]: Spent 29.07s on a formula simplification. DAG size of input: 123 DAG size of output: 123 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:02:04,900 WARN L233 SmtUtils]: Spent 13.99s on a formula simplification. DAG size of input: 105 DAG size of output: 104 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:02:28,953 WARN L233 SmtUtils]: Spent 17.99s on a formula simplification. DAG size of input: 111 DAG size of output: 105 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:02:50,148 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:03:11,054 WARN L233 SmtUtils]: Spent 14.27s on a formula simplification. DAG size of input: 104 DAG size of output: 104 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:05:02,771 WARN L233 SmtUtils]: Spent 1.67m on a formula simplification. DAG size of input: 143 DAG size of output: 142 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:05:48,112 WARN L233 SmtUtils]: Spent 25.44s on a formula simplification. DAG size of input: 121 DAG size of output: 120 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:06:18,244 WARN L233 SmtUtils]: Spent 10.67s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:06:59,404 WARN L233 SmtUtils]: Spent 23.45s on a formula simplification. DAG size of input: 122 DAG size of output: 121 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:07:29,184 WARN L233 SmtUtils]: Spent 9.58s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:08:00,299 WARN L233 SmtUtils]: Spent 11.59s on a formula simplification that was a NOOP. DAG size: 118 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:08:34,434 WARN L233 SmtUtils]: Spent 9.96s on a formula simplification that was a NOOP. DAG size: 118 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:09:09,361 WARN L233 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 123 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:09:47,906 WARN L233 SmtUtils]: Spent 11.91s on a formula simplification that was a NOOP. DAG size: 121 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 19:10:31,346 WARN L233 SmtUtils]: Spent 16.49s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-19 19:10:53,443 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 19:10:53,443 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 19:10:53,485 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 19:10:53,502 WARN L249 SmtUtils]: Removed 5 from assertion stack [2023-05-19 19:10:53,517 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 19:10:53,703 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,SelfDestructingSolverStorable11 [2023-05-19 19:10:53,703 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 90 for 1679ms.. [2023-05-19 19:10:53,705 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-19 19:10:53,706 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 19:10:53,706 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 19:10:53,706 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 19:10:53,712 INFO L444 BasicCegarLoop]: Path program histogram: [12] [2023-05-19 19:10:53,715 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 19:10:53,715 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 19:10:53,716 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 07:10:53 BasicIcfg [2023-05-19 19:10:53,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 19:10:53,717 INFO L158 Benchmark]: Toolchain (without parser) took 846937.92ms. Allocated memory was 185.6MB in the beginning and 566.2MB in the end (delta: 380.6MB). Free memory was 138.6MB in the beginning and 376.1MB in the end (delta: -237.5MB). Peak memory consumption was 143.8MB. Max. memory is 8.0GB. [2023-05-19 19:10:53,717 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 185.6MB. Free memory was 139.8MB in the beginning and 139.7MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 19:10:53,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.61ms. Allocated memory is still 185.6MB. Free memory was 138.6MB in the beginning and 137.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 19:10:53,717 INFO L158 Benchmark]: Boogie Preprocessor took 17.55ms. Allocated memory is still 185.6MB. Free memory was 137.1MB in the beginning and 136.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 19:10:53,718 INFO L158 Benchmark]: RCFGBuilder took 201.16ms. Allocated memory is still 185.6MB. Free memory was 135.9MB in the beginning and 126.3MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-19 19:10:53,718 INFO L158 Benchmark]: TraceAbstraction took 846690.10ms. Allocated memory was 185.6MB in the beginning and 566.2MB in the end (delta: 380.6MB). Free memory was 125.1MB in the beginning and 376.1MB in the end (delta: -250.9MB). Peak memory consumption was 130.1MB. Max. memory is 8.0GB. [2023-05-19 19:10:53,720 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 0.12ms. Allocated memory is still 185.6MB. Free memory was 139.8MB in the beginning and 139.7MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.61ms. Allocated memory is still 185.6MB. Free memory was 138.6MB in the beginning and 137.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.55ms. Allocated memory is still 185.6MB. Free memory was 137.1MB in the beginning and 136.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 201.16ms. Allocated memory is still 185.6MB. Free memory was 135.9MB in the beginning and 126.3MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 846690.10ms. Allocated memory was 185.6MB in the beginning and 566.2MB in the end (delta: 380.6MB). Free memory was 125.1MB in the beginning and 376.1MB in the end (delta: -250.9MB). Peak memory consumption was 130.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13441, independent: 9824, independent conditional: 9455, independent unconditional: 369, dependent: 3617, dependent conditional: 3610, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10295, independent: 9824, independent conditional: 9455, independent unconditional: 369, dependent: 471, dependent conditional: 464, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10295, independent: 9824, independent conditional: 9455, independent unconditional: 369, dependent: 471, dependent conditional: 464, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14947, independent: 9824, independent conditional: 992, independent unconditional: 8832, dependent: 5123, dependent conditional: 3660, dependent unconditional: 1463, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14947, independent: 9824, independent conditional: 992, independent unconditional: 8832, dependent: 5123, dependent conditional: 1373, dependent unconditional: 3750, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14947, independent: 9824, independent conditional: 992, independent unconditional: 8832, dependent: 5123, dependent conditional: 1373, dependent unconditional: 3750, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 901, independent: 697, independent conditional: 381, independent unconditional: 316, dependent: 204, dependent conditional: 195, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 901, independent: 313, independent conditional: 0, independent unconditional: 313, dependent: 588, dependent conditional: 0, dependent unconditional: 588, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 588, independent: 384, independent conditional: 381, independent unconditional: 3, dependent: 204, dependent conditional: 195, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 588, independent: 384, independent conditional: 381, independent unconditional: 3, dependent: 204, dependent conditional: 195, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1197, independent: 671, independent conditional: 634, independent unconditional: 37, dependent: 526, dependent conditional: 432, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14947, independent: 9127, independent conditional: 611, independent unconditional: 8516, dependent: 4919, dependent conditional: 1178, dependent unconditional: 3741, unknown: 901, unknown conditional: 576, unknown unconditional: 325] , Statistics on independence cache: Total cache size (in pairs): 901, Positive cache size: 697, Positive conditional cache size: 381, Positive unconditional cache size: 316, Negative cache size: 204, Negative conditional cache size: 195, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2287, Maximal queried relation: 10, Independence queries for same thread: 3146 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 80, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 376, independent: 369, independent conditional: 0, independent unconditional: 369, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13441, independent: 9824, independent conditional: 9455, independent unconditional: 369, dependent: 3617, dependent conditional: 3610, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10295, independent: 9824, independent conditional: 9455, independent unconditional: 369, dependent: 471, dependent conditional: 464, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10295, independent: 9824, independent conditional: 9455, independent unconditional: 369, dependent: 471, dependent conditional: 464, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14947, independent: 9824, independent conditional: 992, independent unconditional: 8832, dependent: 5123, dependent conditional: 3660, dependent unconditional: 1463, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14947, independent: 9824, independent conditional: 992, independent unconditional: 8832, dependent: 5123, dependent conditional: 1373, dependent unconditional: 3750, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14947, independent: 9824, independent conditional: 992, independent unconditional: 8832, dependent: 5123, dependent conditional: 1373, dependent unconditional: 3750, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 901, independent: 697, independent conditional: 381, independent unconditional: 316, dependent: 204, dependent conditional: 195, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 901, independent: 313, independent conditional: 0, independent unconditional: 313, dependent: 588, dependent conditional: 0, dependent unconditional: 588, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 588, independent: 384, independent conditional: 381, independent unconditional: 3, dependent: 204, dependent conditional: 195, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 588, independent: 384, independent conditional: 381, independent unconditional: 3, dependent: 204, dependent conditional: 195, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1197, independent: 671, independent conditional: 634, independent unconditional: 37, dependent: 526, dependent conditional: 432, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14947, independent: 9127, independent conditional: 611, independent unconditional: 8516, dependent: 4919, dependent conditional: 1178, dependent unconditional: 3741, unknown: 901, unknown conditional: 576, unknown unconditional: 325] , Statistics on independence cache: Total cache size (in pairs): 901, Positive cache size: 697, Positive conditional cache size: 381, Positive unconditional cache size: 316, Negative cache size: 204, Negative conditional cache size: 195, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2287, Maximal queried relation: 10, Independence queries for same thread: 3146 - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 90 for 1679ms.. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 90 for 1679ms.. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 90 for 1679ms.. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 90 for 1679ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 846.5s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 774.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1043, 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, 0.3s SatisfiabilityAnalysisTime, 68.9s InterpolantComputationTime, 1014 NumberOfCodeBlocks, 1014 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 1458 ConstructedInterpolants, 84 QuantifiedInterpolants, 27847 SizeOfPredicates, 137 NumberOfNonLiveVariables, 1248 ConjunctsInSsa, 350 ConjunctsInUnsatCore, 35 InterpolantComputations, 1 PerfectInterpolantSequences, 169/2019 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