/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 '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 20:12:27,470 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 20:12:27,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 20:12:27,566 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 20:12:27,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 20:12:27,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 20:12:27,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 20:12:27,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 20:12:27,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 20:12:27,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 20:12:27,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 20:12:27,568 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 20:12:27,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 20:12:27,569 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 20:12:27,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 20:12:27,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 20:12:27,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 20:12:27,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 20:12:27,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 20:12:27,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 20:12:27,569 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 20:12:27,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 20:12:27,570 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 20:12:27,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 20:12:27,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 20:12:27,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 20:12:27,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 20:12:27,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 20:12:27,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 20:12:27,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 20:12:27,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 20:12:27,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 20:12:27,571 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 20:12:27,571 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 20:12:27,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 20:12:27,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 20:12:27,571 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 20:12:27,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 20:12:27,571 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 20:12:27,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-03 20:12:27,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 20:12:27,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 20:12:27,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 20:12:27,749 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 20:12:27,750 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 20:12:27,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl [2023-05-03 20:12:27,751 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl' [2023-05-03 20:12:27,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 20:12:27,770 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 20:12:27,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 20:12:27,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 20:12:27,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 20:12:27,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:12:27" (1/1) ... [2023-05-03 20:12:27,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:12:27" (1/1) ... [2023-05-03 20:12:27,802 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 20:12:27,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 20:12:27,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 20:12:27,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 20:12:27,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 20:12:27,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:12:27" (1/1) ... [2023-05-03 20:12:27,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:12:27" (1/1) ... [2023-05-03 20:12:27,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:12:27" (1/1) ... [2023-05-03 20:12:27,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:12:27" (1/1) ... [2023-05-03 20:12:27,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:12:27" (1/1) ... [2023-05-03 20:12:27,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:12:27" (1/1) ... [2023-05-03 20:12:27,815 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:12:27" (1/1) ... [2023-05-03 20:12:27,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:12:27" (1/1) ... [2023-05-03 20:12:27,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 20:12:27,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 20:12:27,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 20:12:27,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 20:12:27,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:12:27" (1/1) ... [2023-05-03 20:12:27,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 20:12:27,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:27,838 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) [2023-05-03 20:12:27,847 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 [2023-05-03 20:12:27,873 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 20:12:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 20:12:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 20:12:27,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 20:12:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 20:12:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 20:12:27,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 20:12:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 20:12:27,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 20:12:27,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 20:12:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 20:12:27,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 20:12:27,877 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 20:12:27,914 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 20:12:27,915 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 20:12:27,983 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 20:12:27,996 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 20:12:27,996 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 20:12:27,998 INFO L202 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:12:27 BoogieIcfgContainer [2023-05-03 20:12:27,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 20:12:27,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 20:12:28,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 20:12:28,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 20:12:28,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:12:27" (1/2) ... [2023-05-03 20:12:28,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50476de and model type three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:12:28, skipping insertion in model container [2023-05-03 20:12:28,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:12:27" (2/2) ... [2023-05-03 20:12:28,026 INFO L112 eAbstractionObserver]: Analyzing ICFG three-array-sum-alt.wvr.bpl [2023-05-03 20:12:28,032 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 20:12:28,038 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 20:12:28,038 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 20:12:28,038 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 20:12:28,081 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 20:12:28,110 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 20:12:28,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 20:12:28,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:28,112 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) [2023-05-03 20:12:28,125 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 [2023-05-03 20:12:28,149 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 20:12:28,161 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 20:12:28,166 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;@35a52e59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 20:12:28,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 20:12:28,290 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)] === [2023-05-03 20:12:28,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:28,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1963289272, now seen corresponding path program 1 times [2023-05-03 20:12:28,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:28,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245114203] [2023-05-03 20:12:28,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:28,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 20:12:28,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:28,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245114203] [2023-05-03 20:12:28,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245114203] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 20:12:28,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 20:12:28,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 20:12:28,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094240482] [2023-05-03 20:12:28,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 20:12:28,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-03 20:12:28,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:28,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-03 20:12:28,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-03 20:12:28,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:28,570 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:28,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 20:12:28,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:28,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 20:12:28,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 20:12:28,619 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)] === [2023-05-03 20:12:28,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:28,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1409264844, now seen corresponding path program 1 times [2023-05-03 20:12:28,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:28,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309385204] [2023-05-03 20:12:28,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:28,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:12:28,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:28,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309385204] [2023-05-03 20:12:28,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309385204] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 20:12:28,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 20:12:28,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-03 20:12:28,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286219582] [2023-05-03 20:12:28,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 20:12:28,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 20:12:28,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:28,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 20:12:28,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 20:12:28,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:28,771 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:28,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2023-05-03 20:12:28,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 20:12:28,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 20:12:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:28,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-03 20:12:28,801 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)] === [2023-05-03 20:12:28,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:28,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1091155760, now seen corresponding path program 1 times [2023-05-03 20:12:28,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:28,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620003731] [2023-05-03 20:12:28,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:28,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 20:12:28,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:28,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620003731] [2023-05-03 20:12:28,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620003731] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 20:12:28,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 20:12:28,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 20:12:28,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921589146] [2023-05-03 20:12:28,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 20:12:28,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-03 20:12:28,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:28,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-03 20:12:28,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-03 20:12:28,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:28,838 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:28,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 20:12:28,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 20:12:28,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:28,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:28,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:28,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:28,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:28,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-03 20:12:28,918 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)] === [2023-05-03 20:12:28,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:28,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1598179242, now seen corresponding path program 1 times [2023-05-03 20:12:28,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:28,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630168139] [2023-05-03 20:12:28,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:28,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:28,971 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:12:28,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:28,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630168139] [2023-05-03 20:12:28,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630168139] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:12:28,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99546145] [2023-05-03 20:12:28,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:28,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:28,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:28,974 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) [2023-05-03 20:12:28,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-03 20:12:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:29,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-03 20:12:29,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:12:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:12:29,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:12:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:12:29,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99546145] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:12:29,086 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:12:29,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 5 [2023-05-03 20:12:29,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550471711] [2023-05-03 20:12:29,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:12:29,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-03 20:12:29,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:29,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-03 20:12:29,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-03 20:12:29,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:29,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:29,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2023-05-03 20:12:29,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:29,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:29,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:29,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:29,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:29,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:29,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:29,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:29,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 20:12:29,396 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,SelfDestructingSolverStorable3 [2023-05-03 20:12:29,397 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)] === [2023-05-03 20:12:29,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:29,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1345609298, now seen corresponding path program 1 times [2023-05-03 20:12:29,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:29,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856837997] [2023-05-03 20:12:29,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:29,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:12:29,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:29,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856837997] [2023-05-03 20:12:29,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856837997] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:12:29,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240563358] [2023-05-03 20:12:29,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:29,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:29,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:29,476 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) [2023-05-03 20:12:29,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 20:12:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:29,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-03 20:12:29,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:12:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:12:29,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:12:29,596 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:12:29,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240563358] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:12:29,597 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:12:29,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2023-05-03 20:12:29,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761046260] [2023-05-03 20:12:29,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:12:29,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-03 20:12:29,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:29,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-03 20:12:29,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-05-03 20:12:29,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:29,598 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:29,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 20:12:29,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:29,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:29,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:29,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:29,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:29,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 20:12:29,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-03 20:12:29,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:29,904 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)] === [2023-05-03 20:12:29,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:29,904 INFO L85 PathProgramCache]: Analyzing trace with hash -2064972340, now seen corresponding path program 2 times [2023-05-03 20:12:29,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:29,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104369728] [2023-05-03 20:12:29,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:29,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:29,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 20:12:29,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:29,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104369728] [2023-05-03 20:12:29,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104369728] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:12:29,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274683934] [2023-05-03 20:12:29,998 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 20:12:29,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:29,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:30,000 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) [2023-05-03 20:12:30,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 20:12:30,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 20:12:30,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:12:30,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-03 20:12:30,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:12:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 20:12:30,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:12:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 20:12:30,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274683934] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:12:30,130 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:12:30,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2023-05-03 20:12:30,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432708970] [2023-05-03 20:12:30,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:12:30,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-03 20:12:30,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:30,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-03 20:12:30,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-05-03 20:12:30,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:30,131 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:30,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 20:12:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 20:12:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:30,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:30,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:30,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 20:12:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 20:12:30,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 20:12:30,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:30,425 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)] === [2023-05-03 20:12:30,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:30,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1651423342, now seen corresponding path program 3 times [2023-05-03 20:12:30,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:30,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702699628] [2023-05-03 20:12:30,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:30,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:30,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:12:30,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:30,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702699628] [2023-05-03 20:12:30,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702699628] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:12:30,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381772112] [2023-05-03 20:12:30,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 20:12:30,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:30,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:30,590 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) [2023-05-03 20:12:30,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 20:12:30,618 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-03 20:12:30,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:12:30,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-03 20:12:30,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:12:30,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-03 20:12:30,793 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 13 treesize of output 9 [2023-05-03 20:12:30,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:12:30,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:12:30,874 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:12:30,874 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 15 treesize of output 20 [2023-05-03 20:12:30,888 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2023-05-03 20:12:30,919 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:12:30,920 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 12 treesize of output 17 [2023-05-03 20:12:30,932 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2023-05-03 20:12:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:12:30,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381772112] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:12:30,968 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:12:30,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2023-05-03 20:12:30,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955499672] [2023-05-03 20:12:30,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:12:30,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-03 20:12:30,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:30,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-03 20:12:30,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-05-03 20:12:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:30,972 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:30,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 8 states have internal predecessors, (38), 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) [2023-05-03 20:12:30,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:30,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:30,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:30,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:30,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 20:12:30,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 20:12:30,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:31,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:31,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:31,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 20:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 20:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:31,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 20:12:31,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:31,263 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)] === [2023-05-03 20:12:31,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:31,264 INFO L85 PathProgramCache]: Analyzing trace with hash 497352528, now seen corresponding path program 1 times [2023-05-03 20:12:31,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:31,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918170275] [2023-05-03 20:12:31,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:31,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 20:12:31,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:31,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918170275] [2023-05-03 20:12:31,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918170275] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:12:31,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60892296] [2023-05-03 20:12:31,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:31,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:31,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:31,294 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) [2023-05-03 20:12:31,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 20:12:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:31,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-03 20:12:31,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:12:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 20:12:31,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:12:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 20:12:31,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60892296] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:12:31,358 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:12:31,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 5 [2023-05-03 20:12:31,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207255070] [2023-05-03 20:12:31,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:12:31,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-03 20:12:31,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:31,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-03 20:12:31,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-03 20:12:31,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:31,359 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:31,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2023-05-03 20:12:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 20:12:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 20:12:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:31,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:31,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-03 20:12:31,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:31,689 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)] === [2023-05-03 20:12:31,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:31,690 INFO L85 PathProgramCache]: Analyzing trace with hash 634186534, now seen corresponding path program 4 times [2023-05-03 20:12:31,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:31,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595921533] [2023-05-03 20:12:31,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:31,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:31,760 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:12:31,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:31,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595921533] [2023-05-03 20:12:31,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595921533] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:12:31,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123784139] [2023-05-03 20:12:31,760 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 20:12:31,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:31,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:31,763 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) [2023-05-03 20:12:31,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 20:12:31,795 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 20:12:31,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:12:31,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-03 20:12:31,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:12:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-03 20:12:31,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:12:31,892 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-03 20:12:31,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123784139] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:12:31,895 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:12:31,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2023-05-03 20:12:31,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044152286] [2023-05-03 20:12:31,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:12:31,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-03 20:12:31,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:31,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-03 20:12:31,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-05-03 20:12:31,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:31,899 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:31,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 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) [2023-05-03 20:12:31,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:31,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:31,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:31,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:31,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:31,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:31,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:31,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:31,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:32,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:32,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:32,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:32,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:32,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:32,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:32,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:32,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:32,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:12:32,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-03 20:12:32,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:32,455 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)] === [2023-05-03 20:12:32,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:32,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1105499660, now seen corresponding path program 5 times [2023-05-03 20:12:32,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:32,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38590499] [2023-05-03 20:12:32,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:32,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-03 20:12:32,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:32,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38590499] [2023-05-03 20:12:32,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38590499] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:12:32,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448201688] [2023-05-03 20:12:32,567 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 20:12:32,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:32,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:32,568 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) [2023-05-03 20:12:32,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 20:12:32,608 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-05-03 20:12:32,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:12:32,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-03 20:12:32,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:12:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 36 proven. 23 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-03 20:12:32,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:12:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 36 proven. 23 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-03 20:12:32,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448201688] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:12:32,736 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:12:32,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 7 [2023-05-03 20:12:32,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124390486] [2023-05-03 20:12:32,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:12:32,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-03 20:12:32,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:32,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-03 20:12:32,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-05-03 20:12:32,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:32,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:32,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 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) [2023-05-03 20:12:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:12:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:32,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:32,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:32,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:12:32,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 20:12:32,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-03 20:12:33,040 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,SelfDestructingSolverStorable9 [2023-05-03 20:12:33,040 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)] === [2023-05-03 20:12:33,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:33,041 INFO L85 PathProgramCache]: Analyzing trace with hash 207170104, now seen corresponding path program 6 times [2023-05-03 20:12:33,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:33,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622417822] [2023-05-03 20:12:33,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:33,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:33,130 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 39 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-03 20:12:33,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:33,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622417822] [2023-05-03 20:12:33,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622417822] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:12:33,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532857354] [2023-05-03 20:12:33,131 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 20:12:33,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:33,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:33,132 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) [2023-05-03 20:12:33,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-03 20:12:33,175 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-05-03 20:12:33,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:12:33,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-03 20:12:33,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:12:33,233 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 27 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-03 20:12:33,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:12:33,310 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 27 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-03 20:12:33,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532857354] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:12:33,310 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:12:33,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2023-05-03 20:12:33,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846365939] [2023-05-03 20:12:33,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:12:33,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-03 20:12:33,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:33,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-03 20:12:33,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-05-03 20:12:33,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:33,311 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:33,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 11 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 20:12:33,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:12:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 20:12:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:33,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:33,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:12:33,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 20:12:33,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:12:33,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-03 20:12:33,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:33,778 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)] === [2023-05-03 20:12:33,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:33,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1075107242, now seen corresponding path program 7 times [2023-05-03 20:12:33,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:33,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738461888] [2023-05-03 20:12:33,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:33,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:35,001 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:12:35,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:35,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738461888] [2023-05-03 20:12:35,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738461888] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:12:35,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088025207] [2023-05-03 20:12:35,002 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 20:12:35,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:35,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:35,003 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) [2023-05-03 20:12:35,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-03 20:12:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:35,044 WARN L261 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 82 conjunts are in the unsatisfiable core [2023-05-03 20:12:35,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:12:35,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2023-05-03 20:12:35,373 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2023-05-03 20:12:35,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:35,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:35,658 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 56 [2023-05-03 20:12:35,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 68 [2023-05-03 20:12:36,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 67 [2023-05-03 20:12:36,219 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2023-05-03 20:12:36,246 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:12:36,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:12:36,914 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:12:36,915 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 88 treesize of output 293 [2023-05-03 20:12:38,321 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,322 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,322 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,322 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,323 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,323 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,323 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:38,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:38,325 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,326 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,326 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:38,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:38,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 42 [2023-05-03 20:12:38,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:38,582 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:12:38,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 35 case distinctions, treesize of input 52 treesize of output 257 [2023-05-03 20:12:39,564 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:39,565 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:39,565 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:39,565 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:39,565 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:39,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:39,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:39,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:39,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:39,568 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:39,568 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:39,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:39,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:39,569 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:39,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:39,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 5 [2023-05-03 20:12:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:12:39,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088025207] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:12:39,620 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:12:39,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 48 [2023-05-03 20:12:39,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447214233] [2023-05-03 20:12:39,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:12:39,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-05-03 20:12:39,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:39,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-05-03 20:12:39,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=2066, Unknown=0, NotChecked=0, Total=2352 [2023-05-03 20:12:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:39,623 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:39,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.510204081632653) internal successors, (123), 48 states have internal predecessors, (123), 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) [2023-05-03 20:12:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:12:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 20:12:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:12:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:12:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 20:12:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:12:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-03 20:12:43,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-03 20:12:43,321 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,SelfDestructingSolverStorable11 [2023-05-03 20:12:43,321 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:12:43,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:43,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1591857300, now seen corresponding path program 8 times [2023-05-03 20:12:43,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:43,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458619267] [2023-05-03 20:12:43,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:43,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 67 proven. 55 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-03 20:12:43,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:43,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458619267] [2023-05-03 20:12:43,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458619267] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:12:43,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921240429] [2023-05-03 20:12:43,425 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 20:12:43,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:43,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:43,429 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) [2023-05-03 20:12:43,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-03 20:12:43,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 20:12:43,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:12:43,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-03 20:12:43,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:12:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 71 proven. 49 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-03 20:12:43,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:12:43,617 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 71 proven. 49 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-03 20:12:43,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921240429] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:12:43,617 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:12:43,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 9 [2023-05-03 20:12:43,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063782375] [2023-05-03 20:12:43,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:12:43,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-03 20:12:43,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:12:43,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-03 20:12:43,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-05-03 20:12:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:43,619 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:12:43,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 20:12:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:43,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:43,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:43,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:43,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:12:43,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 20:12:43,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:12:43,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-03 20:12:43,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:12:43,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:43,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:12:43,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:12:43,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:43,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:43,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:12:43,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:43,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:12:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:12:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 20:12:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:12:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-03 20:12:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:12:43,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-03 20:12:43,950 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,SelfDestructingSolverStorable12 [2023-05-03 20:12:43,950 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:12:43,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:12:43,950 INFO L85 PathProgramCache]: Analyzing trace with hash 931377802, now seen corresponding path program 9 times [2023-05-03 20:12:43,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:12:43,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412040075] [2023-05-03 20:12:43,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:12:43,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:12:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:12:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 4 proven. 143 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:12:45,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:12:45,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412040075] [2023-05-03 20:12:45,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412040075] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:12:45,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997123418] [2023-05-03 20:12:45,443 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 20:12:45,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:12:45,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:12:45,445 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) [2023-05-03 20:12:45,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-03 20:12:45,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2023-05-03 20:12:45,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:12:45,500 WARN L261 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 116 conjunts are in the unsatisfiable core [2023-05-03 20:12:45,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:12:45,733 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2023-05-03 20:12:45,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 50 [2023-05-03 20:12:46,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:46,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:46,083 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 56 [2023-05-03 20:12:46,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:46,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:46,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:46,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:46,183 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 82 [2023-05-03 20:12:46,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:46,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:46,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:46,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:46,637 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 103 [2023-05-03 20:12:46,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 103 [2023-05-03 20:12:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:47,890 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:12:47,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 10 case distinctions, treesize of input 161 treesize of output 193 [2023-05-03 20:12:47,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 275 treesize of output 203 [2023-05-03 20:12:48,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:48,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:48,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:48,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:48,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:48,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:48,334 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:12:48,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 22 case distinctions, treesize of input 60 treesize of output 202 [2023-05-03 20:12:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:12:49,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:12:55,984 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,985 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,986 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,986 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,987 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,987 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,988 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,988 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,989 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,989 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,992 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,994 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,995 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,996 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,996 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,996 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,997 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:55,998 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:56,325 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:12:56,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 45 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 46 case distinctions, treesize of input 124 treesize of output 493 [2023-05-03 20:12:59,322 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,323 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,323 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,325 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,325 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,333 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:59,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:59,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,337 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,337 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,338 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:59,339 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,339 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,340 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,340 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,340 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:59,341 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:59,342 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,344 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:12:59,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:59,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:12:59,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 61 [2023-05-03 20:13:00,206 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,207 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,208 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,208 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,209 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,209 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,209 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,210 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,210 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,210 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,211 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,211 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,212 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,212 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,213 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,213 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,214 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,214 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,214 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,215 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,216 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,216 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,217 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,218 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,218 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,219 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,219 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 6 [2023-05-03 20:13:00,228 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,229 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,229 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,230 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,230 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,231 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,231 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,231 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,233 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,234 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,234 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,235 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,235 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,235 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,237 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,237 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,239 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,239 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,240 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,241 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,242 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:00,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:00,243 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 5 [2023-05-03 20:13:00,397 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:13:00,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997123418] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:13:00,397 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:13:00,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 27, 28] total 75 [2023-05-03 20:13:00,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951553275] [2023-05-03 20:13:00,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:13:00,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-05-03 20:13:00,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:13:00,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-05-03 20:13:00,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=738, Invalid=4962, Unknown=0, NotChecked=0, Total=5700 [2023-05-03 20:13:00,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:00,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:13:00,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 2.1315789473684212) internal successors, (162), 75 states have internal predecessors, (162), 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) [2023-05-03 20:13:00,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:00,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:13:00,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:00,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:13:00,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:13:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:13:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:13:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:13:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:13:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 20:13:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:13:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-03 20:13:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:13:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:26,255 WARN L233 SmtUtils]: Spent 20.55s on a formula simplification. DAG size of input: 191 DAG size of output: 183 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:13:37,174 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 137 DAG size of output: 132 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:13:55,234 WARN L233 SmtUtils]: Spent 7.63s on a formula simplification. DAG size of input: 168 DAG size of output: 162 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:14:06,435 WARN L233 SmtUtils]: Spent 8.88s on a formula simplification. DAG size of input: 201 DAG size of output: 197 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:14:21,634 WARN L233 SmtUtils]: Spent 9.43s on a formula simplification. DAG size of input: 161 DAG size of output: 156 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:14:35,193 WARN L233 SmtUtils]: Spent 10.58s on a formula simplification. DAG size of input: 163 DAG size of output: 158 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:14:41,716 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 178 DAG size of output: 173 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:15:04,118 WARN L233 SmtUtils]: Spent 12.53s on a formula simplification. DAG size of input: 167 DAG size of output: 154 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:15:13,502 WARN L233 SmtUtils]: Spent 7.86s on a formula simplification. DAG size of input: 151 DAG size of output: 147 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:15:35,854 WARN L233 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 171 DAG size of output: 168 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:16:09,905 WARN L233 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 148 DAG size of output: 144 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:16:43,812 WARN L233 SmtUtils]: Spent 12.61s on a formula simplification. DAG size of input: 196 DAG size of output: 193 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:17:11,153 WARN L233 SmtUtils]: Spent 10.85s on a formula simplification. DAG size of input: 192 DAG size of output: 189 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:17:27,439 WARN L233 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 176 DAG size of output: 170 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:17:42,938 WARN L233 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 162 DAG size of output: 162 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 20:18:29,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2023-05-03 20:18:30,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-03 20:18:30,190 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,SelfDestructingSolverStorable13 [2023-05-03 20:18:30,191 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:18:30,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:18:30,191 INFO L85 PathProgramCache]: Analyzing trace with hash -59527710, now seen corresponding path program 10 times [2023-05-03 20:18:30,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:18:30,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479480251] [2023-05-03 20:18:30,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:18:30,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:18:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:18:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 407 proven. 136 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-03 20:18:30,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:18:30,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479480251] [2023-05-03 20:18:30,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479480251] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:18:30,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387873038] [2023-05-03 20:18:30,483 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 20:18:30,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:18:30,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:18:30,484 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) [2023-05-03 20:18:30,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-03 20:18:30,544 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 20:18:30,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:18:30,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 28 conjunts are in the unsatisfiable core [2023-05-03 20:18:30,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:18:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 419 proven. 122 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-03 20:18:30,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:18:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 419 proven. 122 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-03 20:18:30,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387873038] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:18:30,912 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:18:30,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 20 [2023-05-03 20:18:30,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837005193] [2023-05-03 20:18:30,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:18:30,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-03 20:18:30,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:18:30,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-03 20:18:30,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2023-05-03 20:18:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:18:30,913 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:18:30,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.285714285714286) internal successors, (111), 20 states have internal predecessors, (111), 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) [2023-05-03 20:18:30,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:18:30,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:18:30,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:18:30,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:18:30,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:18:30,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:18:30,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:18:30,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:18:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:18:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 20:18:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:18:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-03 20:18:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:18:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2023-05-03 20:18:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:18:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:18:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:18:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:18:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:18:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:18:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:18:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:18:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 20:18:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 20:18:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 20:18:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 20:18:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-03 20:18:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:18:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2023-05-03 20:18:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-03 20:18:31,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-03 20:18:31,576 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,SelfDestructingSolverStorable14 [2023-05-03 20:18:31,577 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:18:31,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:18:31,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1801681062, now seen corresponding path program 11 times [2023-05-03 20:18:31,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:18:31,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913557177] [2023-05-03 20:18:31,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:18:31,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:18:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:18:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 60 proven. 615 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:18:36,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:18:36,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913557177] [2023-05-03 20:18:36,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913557177] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:18:36,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118218054] [2023-05-03 20:18:36,077 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 20:18:36,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:18:36,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:18:36,079 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 20:18:36,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-03 20:18:36,213 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2023-05-03 20:18:36,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:18:36,221 WARN L261 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 236 conjunts are in the unsatisfiable core [2023-05-03 20:18:36,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:18:36,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-05-03 20:18:36,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2023-05-03 20:18:37,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:37,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:37,148 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 56 [2023-05-03 20:18:37,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:37,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:37,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:37,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:37,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 82 [2023-05-03 20:18:38,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:38,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:38,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:38,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:38,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:38,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:38,137 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 134 [2023-05-03 20:18:38,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 120 [2023-05-03 20:18:39,562 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 128 [2023-05-03 20:18:39,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:39,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:39,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:39,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:39,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:39,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:39,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:39,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 192 [2023-05-03 20:18:41,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:41,612 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 177 [2023-05-03 20:18:42,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:42,160 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 254 [2023-05-03 20:18:44,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:44,392 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 238 [2023-05-03 20:18:45,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 233 [2023-05-03 20:18:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:47,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:47,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:47,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:47,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:47,818 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 256 [2023-05-03 20:18:48,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 273 [2023-05-03 20:18:53,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:53,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:18:54,169 INFO L244 Elim1Store]: Index analysis took 274 ms [2023-05-03 20:18:56,428 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:18:56,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 315 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 120 case distinctions, treesize of input 321 treesize of output 1167 [2023-05-03 20:18:56,507 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 2311 treesize of output 1681 [2023-05-03 20:19:04,552 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-05-03 20:19:04,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-03 20:19:04,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:19:04,757 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-03 20:19:04,760 INFO L158 Benchmark]: Toolchain (without parser) took 396990.42ms. Allocated memory was 185.6MB in the beginning and 608.2MB in the end (delta: 422.6MB). Free memory was 147.5MB in the beginning and 506.5MB in the end (delta: -359.0MB). Peak memory consumption was 374.1MB. Max. memory is 8.0GB. [2023-05-03 20:19:04,760 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 20:19:04,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.79ms. Allocated memory is still 185.6MB. Free memory was 147.5MB in the beginning and 146.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 20:19:04,761 INFO L158 Benchmark]: Boogie Preprocessor took 12.11ms. Allocated memory is still 185.6MB. Free memory was 146.1MB in the beginning and 144.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 20:19:04,761 INFO L158 Benchmark]: RCFGBuilder took 180.91ms. Allocated memory is still 185.6MB. Free memory was 144.8MB in the beginning and 134.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-03 20:19:04,761 INFO L158 Benchmark]: TraceAbstraction took 396760.33ms. Allocated memory was 185.6MB in the beginning and 608.2MB in the end (delta: 422.6MB). Free memory was 133.8MB in the beginning and 506.5MB in the end (delta: -372.8MB). Peak memory consumption was 360.5MB. Max. memory is 8.0GB. [2023-05-03 20:19:04,762 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 0.11ms. Allocated memory is still 185.6MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.79ms. Allocated memory is still 185.6MB. Free memory was 147.5MB in the beginning and 146.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.11ms. Allocated memory is still 185.6MB. Free memory was 146.1MB in the beginning and 144.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 180.91ms. Allocated memory is still 185.6MB. Free memory was 144.8MB in the beginning and 134.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 396760.33ms. Allocated memory was 185.6MB in the beginning and 608.2MB in the end (delta: 422.6MB). Free memory was 133.8MB in the beginning and 506.5MB in the end (delta: -372.8MB). Peak memory consumption was 360.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-03 20:19:04,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-03 20:19:05,180 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-05-03 20:19:05,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...