/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 ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 16:50:40,240 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 16:50:40,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 16:50:40,308 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 16:50:40,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 16:50:40,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 16:50:40,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 16:50:40,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 16:50:40,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 16:50:40,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 16:50:40,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 16:50:40,313 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 16:50:40,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 16:50:40,314 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 16:50:40,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 16:50:40,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 16:50:40,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 16:50:40,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 16:50:40,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 16:50:40,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 16:50:40,314 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 16:50:40,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 16:50:40,314 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 16:50:40,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 16:50:40,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 16:50:40,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 16:50:40,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 16:50:40,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 16:50:40,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 16:50:40,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 16:50:40,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 16:50:40,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 16:50:40,316 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 16:50:40,316 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 16:50:40,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 16:50:40,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 16:50:40,317 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 16:50:40,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 16:50:40,317 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 16:50:40,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-03 16:50:40,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 16:50:40,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 16:50:40,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 16:50:40,514 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 16:50:40,515 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 16:50:40,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2023-05-03 16:50:40,515 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2023-05-03 16:50:40,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 16:50:40,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 16:50:40,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 16:50:40,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 16:50:40,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 16:50:40,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:50:40" (1/1) ... [2023-05-03 16:50:40,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:50:40" (1/1) ... [2023-05-03 16:50:40,547 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 16:50:40,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 16:50:40,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 16:50:40,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 16:50:40,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 16:50:40,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:50:40" (1/1) ... [2023-05-03 16:50:40,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:50:40" (1/1) ... [2023-05-03 16:50:40,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:50:40" (1/1) ... [2023-05-03 16:50:40,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:50:40" (1/1) ... [2023-05-03 16:50:40,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:50:40" (1/1) ... [2023-05-03 16:50:40,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:50:40" (1/1) ... [2023-05-03 16:50:40,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:50:40" (1/1) ... [2023-05-03 16:50:40,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:50:40" (1/1) ... [2023-05-03 16:50:40,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 16:50:40,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 16:50:40,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 16:50:40,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 16:50:40,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:50:40" (1/1) ... [2023-05-03 16:50:40,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 16:50:40,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:50:40,587 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 16:50:40,589 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 16:50:40,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 16:50:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 16:50:40,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 16:50:40,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 16:50:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 16:50:40,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 16:50:40,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 16:50:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 16:50:40,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 16:50:40,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 16:50:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 16:50:40,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 16:50:40,630 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 16:50:40,669 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 16:50:40,671 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 16:50:40,739 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 16:50:40,744 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 16:50:40,744 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 16:50:40,745 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 04:50:40 BoogieIcfgContainer [2023-05-03 16:50:40,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 16:50:40,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 16:50:40,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 16:50:40,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 16:50:40,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:50:40" (1/2) ... [2023-05-03 16:50:40,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570663e9 and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 04:50:40, skipping insertion in model container [2023-05-03 16:50:40,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 04:50:40" (2/2) ... [2023-05-03 16:50:40,751 INFO L112 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2023-05-03 16:50:40,756 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 16:50:40,761 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 16:50:40,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 16:50:40,761 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 16:50:40,786 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 16:50:40,812 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 16:50:40,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 16:50:40,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:50:40,814 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 16:50:40,820 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 16:50:40,848 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 16:50:40,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 16:50:40,875 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;@3b7a96bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 16:50:40,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 16:50:40,960 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 16:50:40,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:50:40,964 INFO L85 PathProgramCache]: Analyzing trace with hash 985571781, now seen corresponding path program 1 times [2023-05-03 16:50:40,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:50:40,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340460874] [2023-05-03 16:50:40,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:50:40,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:50:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:50:41,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 16:50:41,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:50:41,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340460874] [2023-05-03 16:50:41,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340460874] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 16:50:41,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 16:50:41,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-03 16:50:41,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074903934] [2023-05-03 16:50:41,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 16:50:41,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-03 16:50:41,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:50:41,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-03 16:50:41,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-03 16:50:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:50:41,252 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:50:41,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 16:50:41,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:50:41,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:50:41,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 16:50:41,333 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 16:50:41,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:50:41,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1917266331, now seen corresponding path program 1 times [2023-05-03 16:50:41,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:50:41,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095738414] [2023-05-03 16:50:41,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:50:41,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:50:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:50:41,372 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 16:50:41,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:50:41,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095738414] [2023-05-03 16:50:41,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095738414] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 16:50:41,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 16:50:41,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 16:50:41,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131302738] [2023-05-03 16:50:41,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 16:50:41,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 16:50:41,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:50:41,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 16:50:41,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 16:50:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:50:41,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:50:41,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 16:50:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:50:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:50:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:50:41,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:50:41,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-03 16:50:41,419 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 16:50:41,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:50:41,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1933587301, now seen corresponding path program 1 times [2023-05-03 16:50:41,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:50:41,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775792806] [2023-05-03 16:50:41,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:50:41,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:50:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:50:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 16:50:41,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:50:41,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775792806] [2023-05-03 16:50:41,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775792806] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 16:50:41,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 16:50:41,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-03 16:50:41,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662102449] [2023-05-03 16:50:41,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 16:50:41,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-03 16:50:41,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:50:41,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-03 16:50:41,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-03 16:50:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:50:41,519 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:50:41,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 16:50:41,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:50:41,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:50:41,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:50:41,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 16:50:41,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:50:41,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:50:41,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-03 16:50:41,745 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 16:50:41,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:50:41,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1135750589, now seen corresponding path program 1 times [2023-05-03 16:50:41,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:50:41,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591762018] [2023-05-03 16:50:41,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:50:41,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:50:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:50:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-03 16:50:41,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:50:41,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591762018] [2023-05-03 16:50:41,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591762018] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 16:50:41,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781872865] [2023-05-03 16:50:41,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:50:41,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:50:41,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:50:41,909 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 16:50:41,910 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 16:50:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:50:41,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-03 16:50:41,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 16:50:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-03 16:50:42,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 16:50:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 32 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-03 16:50:42,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781872865] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 16:50:42,353 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 16:50:42,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 12] total 25 [2023-05-03 16:50:42,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088865762] [2023-05-03 16:50:42,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 16:50:42,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-03 16:50:42,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:50:42,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-03 16:50:42,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600 [2023-05-03 16:50:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:50:42,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:50:42,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.96) internal successors, (99), 25 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 16:50:42,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 16:50:42,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:50:42,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:50:42,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:50:42,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 16:50:42,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:50:42,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:50:42,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-03 16:50:42,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-03 16:50:43,100 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 16:50:43,100 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 16:50:43,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:50:43,101 INFO L85 PathProgramCache]: Analyzing trace with hash -450594116, now seen corresponding path program 2 times [2023-05-03 16:50:43,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:50:43,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712892072] [2023-05-03 16:50:43,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:50:43,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:50:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:50:43,322 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 59 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 16:50:43,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:50:43,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712892072] [2023-05-03 16:50:43,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712892072] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 16:50:43,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136276293] [2023-05-03 16:50:43,323 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 16:50:43,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:50:43,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:50:43,345 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 16:50:43,346 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 16:50:43,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 16:50:43,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 16:50:43,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-03 16:50:43,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 16:50:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 57 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 16:50:43,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 16:50:43,785 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:50:43,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136276293] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 16:50:43,786 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 16:50:43,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 15] total 27 [2023-05-03 16:50:43,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062834707] [2023-05-03 16:50:43,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 16:50:43,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-03 16:50:43,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:50:43,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-03 16:50:43,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=576, Unknown=0, NotChecked=0, Total=702 [2023-05-03 16:50:43,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:50:43,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:50:43,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.888888888888889) internal successors, (105), 27 states have internal predecessors, (105), 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 16:50:43,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 16:50:43,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:50:43,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:50:43,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-03 16:50:43,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:50:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 16:50:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:50:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:50:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 16:50:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 16:50:44,240 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 16:50:44,426 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 16:50:44,427 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 16:50:44,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:50:44,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1442154561, now seen corresponding path program 3 times [2023-05-03 16:50:44,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:50:44,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37136854] [2023-05-03 16:50:44,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:50:44,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:50:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:50:45,720 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:50:45,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:50:45,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37136854] [2023-05-03 16:50:45,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37136854] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 16:50:45,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806927152] [2023-05-03 16:50:45,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 16:50:45,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:50:45,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:50:45,729 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 16:50:45,754 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 16:50:45,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-03 16:50:45,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 16:50:45,789 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 62 conjunts are in the unsatisfiable core [2023-05-03 16:50:45,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 16:50:47,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:50:47,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:50:47,483 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:47,484 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:47,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 19 [2023-05-03 16:50:47,605 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:50:47,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 16:50:49,597 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:49,598 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:49,598 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:49,599 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:49,599 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:49,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:50:49,603 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:49,606 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:49,608 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:49,610 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:49,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:50:49,726 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:50:49,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 21 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 32 case distinctions, treesize of input 59 treesize of output 244 [2023-05-03 16:50:50,131 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,132 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,134 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,135 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,135 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,136 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,136 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,137 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,141 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,141 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:50:50,143 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,143 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,144 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,144 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,144 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:50:50,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:50:50,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:50:50,147 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,148 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:50:50,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:50:50,150 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 3 [2023-05-03 16:50:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:50:50,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806927152] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 16:50:50,305 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 16:50:50,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 33, 34] total 89 [2023-05-03 16:50:50,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956270198] [2023-05-03 16:50:50,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 16:50:50,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2023-05-03 16:50:50,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:50:50,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2023-05-03 16:50:50,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=886, Invalid=6946, Unknown=0, NotChecked=0, Total=7832 [2023-05-03 16:50:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:50:50,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:50:50,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 1.6067415730337078) internal successors, (143), 89 states have internal predecessors, (143), 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 16:50:50,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 16:50:50,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:50:50,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:50:50,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-03 16:50:50,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 16:50:50,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:51:08,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 16:51:08,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:51:08,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:51:08,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-03 16:51:08,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 16:51:08,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-03 16:51:08,730 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 16:51:08,925 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 16:51:08,925 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 16:51:08,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:51:08,926 INFO L85 PathProgramCache]: Analyzing trace with hash -2127441125, now seen corresponding path program 4 times [2023-05-03 16:51:08,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:51:08,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364085492] [2023-05-03 16:51:08,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:51:08,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:51:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:51:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 16 proven. 131 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 16:51:10,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:51:10,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364085492] [2023-05-03 16:51:10,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364085492] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 16:51:10,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779333411] [2023-05-03 16:51:10,627 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 16:51:10,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:51:10,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:51:10,628 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 16:51:10,629 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 16:51:10,662 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 16:51:10,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 16:51:10,664 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 73 conjunts are in the unsatisfiable core [2023-05-03 16:51:10,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 16:51:12,962 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:12,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:51:12,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:51:12,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:51:12,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:12,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 23 [2023-05-03 16:51:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:51:13,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 16:51:16,364 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:51:16,365 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 15 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 105 case distinctions, treesize of input 80 treesize of output 763 [2023-05-03 16:51:58,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,458 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,458 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,459 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,459 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,461 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,461 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,462 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,462 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,462 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,463 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,467 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,472 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,472 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,473 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,474 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,474 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,474 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,476 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,476 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,476 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,477 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,477 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,477 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,479 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,480 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,481 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,482 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,483 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,483 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,484 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,484 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,486 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,486 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,487 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,488 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,488 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,488 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,489 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,489 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,489 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:51:58,544 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:51:58,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 104 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 16 case distinctions, treesize of input 79 treesize of output 166 [2023-05-03 16:51:59,029 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:51:59,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779333411] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 16:51:59,029 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 16:51:59,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 102 [2023-05-03 16:51:59,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635976128] [2023-05-03 16:51:59,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 16:51:59,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2023-05-03 16:51:59,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:51:59,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2023-05-03 16:51:59,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=9883, Unknown=0, NotChecked=0, Total=10302 [2023-05-03 16:51:59,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:51:59,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:51:59,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 1.7549019607843137) internal successors, (179), 102 states have internal predecessors, (179), 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 16:51:59,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 16:51:59,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:51:59,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:51:59,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-03 16:51:59,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 16:51:59,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-05-03 16:51:59,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:52:25,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 16:52:25,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:52:25,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:52:25,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-03 16:52:25,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 16:52:25,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-03 16:52:25,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-03 16:52:25,423 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 16:52:25,609 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 16:52:25,609 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 16:52:25,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:52:25,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1017152447, now seen corresponding path program 5 times [2023-05-03 16:52:25,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:52:25,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872273619] [2023-05-03 16:52:25,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:52:25,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:52:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:52:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 31 proven. 209 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 16:52:27,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:52:27,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872273619] [2023-05-03 16:52:27,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872273619] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 16:52:27,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909595207] [2023-05-03 16:52:27,641 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 16:52:27,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:52:27,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:52:27,642 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 16:52:27,643 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 16:52:27,682 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-05-03 16:52:27,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 16:52:27,683 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 89 conjunts are in the unsatisfiable core [2023-05-03 16:52:27,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 16:52:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:52:30,483 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:52:30,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:52:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:52:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:52:30,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:52:30,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:52:30,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:52:30,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:52:30,487 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:52:30,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 27 [2023-05-03 16:52:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:52:30,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 16:52:36,966 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:52:36,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 28 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 162 case distinctions, treesize of input 100 treesize of output 1163 [2023-05-03 16:54:59,540 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,541 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,542 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,543 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,543 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,543 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,544 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,544 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,545 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,545 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,546 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,547 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,547 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,547 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,548 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,549 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,549 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,549 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,550 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,550 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,551 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,559 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,560 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,561 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,561 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,561 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,562 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,562 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,562 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,563 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,563 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,563 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,565 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,568 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,569 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,570 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,570 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,570 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,571 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,571 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,571 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,572 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,572 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,572 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,573 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,573 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,573 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,574 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,575 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,575 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,575 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,576 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,576 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,576 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,577 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,578 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,578 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,578 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,579 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,579 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,579 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,580 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,580 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,581 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,582 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,582 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,582 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,583 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,583 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,583 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,584 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,584 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,584 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,585 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,590 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,590 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,590 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,591 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,591 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,591 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,617 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,619 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,619 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,619 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,620 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,620 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,622 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,623 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:54:59,709 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:54:59,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 170 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 20 case distinctions, treesize of input 99 treesize of output 206 [2023-05-03 16:55:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:55:00,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909595207] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 16:55:00,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 16:55:00,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 44, 44] total 125 [2023-05-03 16:55:00,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432746068] [2023-05-03 16:55:00,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 16:55:00,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2023-05-03 16:55:00,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:55:00,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2023-05-03 16:55:00,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=516, Invalid=14984, Unknown=0, NotChecked=0, Total=15500 [2023-05-03 16:55:00,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:55:00,315 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:55:00,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 1.72) internal successors, (215), 125 states have internal predecessors, (215), 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 16:55:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 16:55:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:55:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:55:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-03 16:55:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 16:55:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-05-03 16:55:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-05-03 16:55:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:55:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 16:55:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:55:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:55:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-03 16:55:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 16:55:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-03 16:55:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-03 16:55:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2023-05-03 16:55:41,925 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 16:55:42,110 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 16:55:42,110 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 16:55:42,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:55:42,111 INFO L85 PathProgramCache]: Analyzing trace with hash -648922597, now seen corresponding path program 6 times [2023-05-03 16:55:42,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:55:42,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790384653] [2023-05-03 16:55:42,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:55:42,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:55:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:55:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 35 proven. 323 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 16:55:44,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:55:44,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790384653] [2023-05-03 16:55:44,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790384653] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 16:55:44,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642696171] [2023-05-03 16:55:44,890 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 16:55:44,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:55:44,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:55:44,893 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 16:55:44,894 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 16:55:44,937 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-05-03 16:55:44,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 16:55:44,938 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 109 conjunts are in the unsatisfiable core [2023-05-03 16:55:44,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 16:55:50,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:55:50,944 INFO L244 Elim1Store]: Index analysis took 108 ms [2023-05-03 16:55:51,567 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:55:51,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 156 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 75 case distinctions, treesize of input 99 treesize of output 635 [2023-05-03 16:55:54,463 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:55:54,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 16:56:54,341 WARN L233 SmtUtils]: Spent 5.48s on a formula simplification that was a NOOP. DAG size: 97 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 16:57:25,525 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,526 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,533 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,534 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,545 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,545 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,546 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,548 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,549 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:57:25,553 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,559 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,568 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,569 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,570 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:57:25,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:57:27,813 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:57:27,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 90 disjoint index pairs (out of 276 index pairs), introduced 22 new quantified variables, introduced 165 case distinctions, treesize of input 117 treesize of output 1396 [2023-05-03 16:59:49,004 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,005 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,005 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,007 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,007 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,008 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,008 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,010 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,010 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,010 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,012 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,012 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,016 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,016 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:59:49,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,019 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,019 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,019 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,023 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,023 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,023 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,024 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,024 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,024 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,025 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,025 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,026 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,026 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,026 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,027 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,027 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,027 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,028 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,028 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,028 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,029 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,029 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,029 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,030 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,030 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,030 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,031 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,032 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,032 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,032 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,033 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,033 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,033 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,034 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,034 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,035 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,035 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,035 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,037 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,037 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,038 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:59:49,039 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,039 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,039 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,041 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,041 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,042 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,043 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,043 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,044 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,044 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,045 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,045 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,048 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,048 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,050 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,050 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,050 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,054 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,055 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,056 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,057 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,057 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:59:49,229 INFO L356 Elim1Store]: treesize reduction 20, result has 90.8 percent of original size [2023-05-03 16:59:49,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 207 disjoint index pairs (out of 276 index pairs), introduced 22 new quantified variables, introduced 28 case distinctions, treesize of input 117 treesize of output 222 [2023-05-03 16:59:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:59:49,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642696171] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 16:59:49,908 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 16:59:49,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 57, 57] total 154 [2023-05-03 16:59:49,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398365217] [2023-05-03 16:59:49,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 16:59:49,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2023-05-03 16:59:49,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:59:49,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2023-05-03 16:59:49,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=873, Invalid=22685, Unknown=4, NotChecked=0, Total=23562 [2023-05-03 16:59:49,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:59:49,915 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:59:49,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 1.6168831168831168) internal successors, (249), 154 states have internal predecessors, (249), 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 16:59:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 16:59:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:59:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:59:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-03 16:59:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 16:59:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-05-03 16:59:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-05-03 16:59:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2023-05-03 16:59:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:01:45,550 WARN L233 SmtUtils]: Spent 12.46s on a formula simplification. DAG size of input: 200 DAG size of output: 170 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-03 17:02:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 17:02:15,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 17:02:15,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 17:02:15,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-03 17:02:15,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 17:02:15,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-03 17:02:15,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-03 17:02:15,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2023-05-03 17:02:15,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-05-03 17:02:15,467 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 17:02:15,651 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 17:02:15,652 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 17:02:15,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:02:15,652 INFO L85 PathProgramCache]: Analyzing trace with hash 2046832575, now seen corresponding path program 7 times [2023-05-03 17:02:15,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:02:15,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694366056] [2023-05-03 17:02:15,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:02:15,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:02:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:02:18,876 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 51 proven. 447 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 17:02:18,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:02:18,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694366056] [2023-05-03 17:02:18,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694366056] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 17:02:18,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406221459] [2023-05-03 17:02:18,877 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 17:02:18,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:02:18,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:02:18,878 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 17:02:18,879 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 17:02:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:02:18,946 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 121 conjunts are in the unsatisfiable core [2023-05-03 17:02:18,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 17:02:25,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:02:25,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:02:25,185 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:02:25,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 91 disjoint index pairs (out of 120 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 35 [2023-05-03 17:02:25,235 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 502 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:02:25,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 17:02:42,452 WARN L233 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 783 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-03 17:02:42,453 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:02:42,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 66 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 312 case distinctions, treesize of input 140 treesize of output 2203 Received shutdown request... [2023-05-03 17:05:01,113 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-03 17:05:01,114 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-03 17:05:01,130 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 17:05:01,145 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 17:05:01,145 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 17:05:01,145 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 17:05:01,315 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 17:05:01,315 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 58ms.. [2023-05-03 17:05:01,317 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-03 17:05:01,317 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-03 17:05:01,317 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-03 17:05:01,320 INFO L444 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1] [2023-05-03 17:05:01,321 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 17:05:01,322 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 17:05:01,323 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 05:05:01 BasicIcfg [2023-05-03 17:05:01,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 17:05:01,324 INFO L158 Benchmark]: Toolchain (without parser) took 860792.72ms. Allocated memory was 192.9MB in the beginning and 1.1GB in the end (delta: 900.7MB). Free memory was 156.6MB in the beginning and 642.2MB in the end (delta: -485.6MB). Peak memory consumption was 714.5MB. Max. memory is 8.0GB. [2023-05-03 17:05:01,324 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 17:05:01,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.40ms. Allocated memory is still 192.9MB. Free memory was 156.4MB in the beginning and 154.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 17:05:01,324 INFO L158 Benchmark]: Boogie Preprocessor took 15.05ms. Allocated memory is still 192.9MB. Free memory was 154.9MB in the beginning and 153.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 17:05:01,324 INFO L158 Benchmark]: RCFGBuilder took 181.01ms. Allocated memory is still 192.9MB. Free memory was 153.7MB in the beginning and 144.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-03 17:05:01,333 INFO L158 Benchmark]: TraceAbstraction took 860576.45ms. Allocated memory was 192.9MB in the beginning and 1.1GB in the end (delta: 900.7MB). Free memory was 143.1MB in the beginning and 642.2MB in the end (delta: -499.1MB). Peak memory consumption was 700.8MB. Max. memory is 8.0GB. [2023-05-03 17:05:01,334 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 0.10ms. Allocated memory is still 192.9MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 16.40ms. Allocated memory is still 192.9MB. Free memory was 156.4MB in the beginning and 154.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.05ms. Allocated memory is still 192.9MB. Free memory was 154.9MB in the beginning and 153.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 181.01ms. Allocated memory is still 192.9MB. Free memory was 153.7MB in the beginning and 144.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 860576.45ms. Allocated memory was 192.9MB in the beginning and 1.1GB in the end (delta: 900.7MB). Free memory was 143.1MB in the beginning and 642.2MB in the end (delta: -499.1MB). Peak memory consumption was 700.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2822, independent: 2065, independent conditional: 1497, independent unconditional: 568, dependent: 757, dependent conditional: 757, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2065, independent: 2065, independent conditional: 1497, independent unconditional: 568, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2065, independent: 2065, independent conditional: 1497, independent unconditional: 568, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2065, independent: 2065, independent conditional: 0, independent unconditional: 2065, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2065, independent: 2065, independent conditional: 0, independent unconditional: 2065, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2065, independent: 2065, independent conditional: 0, independent unconditional: 2065, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 469, independent conditional: 0, independent unconditional: 469, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 465, independent conditional: 0, independent unconditional: 465, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2065, independent: 1596, independent conditional: 0, independent unconditional: 1596, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 469, unknown conditional: 0, unknown unconditional: 469] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 469, Positive conditional cache size: 0, Positive unconditional cache size: 469, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 757 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 102, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 568, independent: 568, independent conditional: 0, independent unconditional: 568, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2822, independent: 2065, independent conditional: 1497, independent unconditional: 568, dependent: 757, dependent conditional: 757, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2065, independent: 2065, independent conditional: 1497, independent unconditional: 568, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2065, independent: 2065, independent conditional: 1497, independent unconditional: 568, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2065, independent: 2065, independent conditional: 0, independent unconditional: 2065, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2065, independent: 2065, independent conditional: 0, independent unconditional: 2065, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2065, independent: 2065, independent conditional: 0, independent unconditional: 2065, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 469, independent conditional: 0, independent unconditional: 469, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 465, independent conditional: 0, independent unconditional: 465, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2065, independent: 1596, independent conditional: 0, independent unconditional: 1596, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 469, unknown conditional: 0, unknown unconditional: 469] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 469, Positive conditional cache size: 0, Positive unconditional cache size: 469, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 757 - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 58ms.. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 58ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 58ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 58ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 860.5s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 233.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 588, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 459.6s InterpolantComputationTime, 840 NumberOfCodeBlocks, 840 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1206 ConstructedInterpolants, 85 QuantifiedInterpolants, 55150 SizeOfPredicates, 74 NumberOfNonLiveVariables, 741 ConjunctsInSsa, 358 ConjunctsInUnsatCore, 21 InterpolantComputations, 3 PerfectInterpolantSequences, 235/2863 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown