/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 09:00:35,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 09:00:35,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 09:00:35,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 09:00:35,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 09:00:35,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 09:00:35,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 09:00:35,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-02-09 09:00:35,274 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 09:00:35,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 09:00:35,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 09:00:35,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 09:00:35,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 09:00:35,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 09:00:35,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 09:00:35,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 09:00:35,276 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 09:00:35,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 09:00:35,276 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 09:00:35,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 09:00:35,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 09:00:35,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 09:00:35,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 09:00:35,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 09:00:35,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 09:00:35,277 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 09:00:35,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 09:00:35,277 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 09:00:35,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 09:00:35,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 09:00:35,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 09:00:35,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 09:00:35,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 09:00:35,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 09:00:35,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 09:00:35,278 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 09:00:35,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 09:00:35,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 09:00:35,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 09:00:35,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 09:00:35,278 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 09:00:35,278 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 09:00:35,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 09:00:35,279 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 09:00:35,279 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 09:00:35,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 09:00:35,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 09:00:35,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 09:00:35,477 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 09:00:35,479 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 09:00:35,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2022-02-09 09:00:35,480 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2022-02-09 09:00:35,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 09:00:35,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 09:00:35,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 09:00:35,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 09:00:35,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 09:00:35,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:00:35" (1/1) ... [2022-02-09 09:00:35,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:00:35" (1/1) ... [2022-02-09 09:00:35,527 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 09:00:35,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 09:00:35,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 09:00:35,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 09:00:35,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 09:00:35,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:00:35" (1/1) ... [2022-02-09 09:00:35,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:00:35" (1/1) ... [2022-02-09 09:00:35,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:00:35" (1/1) ... [2022-02-09 09:00:35,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:00:35" (1/1) ... [2022-02-09 09:00:35,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:00:35" (1/1) ... [2022-02-09 09:00:35,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:00:35" (1/1) ... [2022-02-09 09:00:35,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:00:35" (1/1) ... [2022-02-09 09:00:35,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 09:00:35,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 09:00:35,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 09:00:35,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 09:00:35,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:00:35" (1/1) ... [2022-02-09 09:00:35,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 09:00:35,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:35,570 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) [2022-02-09 09:00:35,574 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 [2022-02-09 09:00:35,598 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 09:00:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 09:00:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 09:00:35,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 09:00:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 09:00:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 09:00:35,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 09:00:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 09:00:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 09:00:35,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 09:00:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 09:00:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 09:00:35,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-09 09:00:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-09 09:00:35,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-09 09:00:35,601 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 09:00:35,639 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 09:00:35,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 09:00:35,703 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 09:00:35,717 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 09:00:35,717 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-09 09:00:35,718 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-02-09 09:00:35,718 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2022-02-09 09:00:35,718 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2022-02-09 09:00:35,719 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 09:00:35 BoogieIcfgContainer [2022-02-09 09:00:35,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 09:00:35,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 09:00:35,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 09:00:35,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 09:00:35,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:00:35" (1/2) ... [2022-02-09 09:00:35,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c712429 and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 09:00:35, skipping insertion in model container [2022-02-09 09:00:35,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 09:00:35" (2/2) ... [2022-02-09 09:00:35,741 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2022-02-09 09:00:35,744 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 09:00:35,744 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 09:00:35,744 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 09:00:35,744 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 09:00:35,781 INFO L148 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-02-09 09:00:35,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 09:00:35,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:35,825 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) [2022-02-09 09:00:35,838 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 [2022-02-09 09:00:35,861 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 09:00:35,868 INFO L339 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, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 09:00:35,881 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-09 09:00:35,997 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:00:36,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:00:36,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1893381519, now seen corresponding path program 1 times [2022-02-09 09:00:36,009 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:00:36,010 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177324715] [2022-02-09 09:00:36,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:36,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:00:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:36,205 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:00:36,206 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177324715] [2022-02-09 09:00:36,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177324715] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 09:00:36,206 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 09:00:36,207 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 09:00:36,208 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710387980] [2022-02-09 09:00:36,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 09:00:36,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-09 09:00:36,214 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:00:36,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-09 09:00:36,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-09 09:00:36,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:36,233 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:00:36,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:00:36,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:36,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 09:00:36,316 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:00:36,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:00:36,352 INFO L85 PathProgramCache]: Analyzing trace with hash 253264815, now seen corresponding path program 1 times [2022-02-09 09:00:36,352 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:00:36,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145134826] [2022-02-09 09:00:36,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:36,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:00:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:36,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:00:36,412 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145134826] [2022-02-09 09:00:36,412 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145134826] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:00:36,412 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114824128] [2022-02-09 09:00:36,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:36,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:36,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:36,414 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) [2022-02-09 09:00:36,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 09:00:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:36,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 09:00:36,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:00:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:36,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:00:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:36,620 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114824128] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:00:36,620 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:00:36,620 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-02-09 09:00:36,622 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656140903] [2022-02-09 09:00:36,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:00:36,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 09:00:36,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:00:36,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 09:00:36,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-09 09:00:36,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:36,623 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:00:36,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-02-09 09:00:36,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:36,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:36,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:36,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:36,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 09:00:36,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-02-09 09:00:36,936 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:00:36,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:00:36,936 INFO L85 PathProgramCache]: Analyzing trace with hash -876502895, now seen corresponding path program 1 times [2022-02-09 09:00:36,937 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:00:36,937 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434660759] [2022-02-09 09:00:36,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:36,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:00:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:37,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:37,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:00:37,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434660759] [2022-02-09 09:00:37,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434660759] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:00:37,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308169697] [2022-02-09 09:00:37,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:37,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:37,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:37,088 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) [2022-02-09 09:00:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:37,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 09:00:37,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-09 09:00:37,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:00:37,289 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-02-09 09:00:37,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:37,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:00:37,460 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:00:37,463 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 16 [2022-02-09 09:00:37,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:00:37,480 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2022-02-09 09:00:37,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:37,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308169697] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:00:37,515 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:00:37,515 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2022-02-09 09:00:37,515 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649544850] [2022-02-09 09:00:37,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:00:37,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-09 09:00:37,515 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:00:37,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-09 09:00:37,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-02-09 09:00:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:37,517 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:00:37,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:00:37,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:37,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:37,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:37,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:37,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:37,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 09:00:37,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:37,920 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:00:37,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:00:37,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1088031439, now seen corresponding path program 2 times [2022-02-09 09:00:37,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:00:37,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060993350] [2022-02-09 09:00:37,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:37,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:00:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:37,953 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:00:37,954 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060993350] [2022-02-09 09:00:37,954 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060993350] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:00:37,954 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922492491] [2022-02-09 09:00:37,954 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 09:00:37,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:37,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:37,955 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) [2022-02-09 09:00:37,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 09:00:37,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 09:00:37,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:00:37,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-09 09:00:37,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:00:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:38,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:00:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:38,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922492491] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:00:38,072 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:00:38,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2022-02-09 09:00:38,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943829889] [2022-02-09 09:00:38,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:00:38,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 09:00:38,073 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:00:38,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 09:00:38,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-09 09:00:38,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:38,073 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:00:38,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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) [2022-02-09 09:00:38,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:38,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:38,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:38,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:38,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 09:00:38,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:38,364 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:00:38,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:00:38,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1824661583, now seen corresponding path program 3 times [2022-02-09 09:00:38,364 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:00:38,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900496686] [2022-02-09 09:00:38,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:38,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:00:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:38,676 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:00:38,676 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900496686] [2022-02-09 09:00:38,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900496686] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:00:38,676 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171504165] [2022-02-09 09:00:38,676 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 09:00:38,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:38,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:38,679 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) [2022-02-09 09:00:38,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 09:00:38,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-09 09:00:38,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:00:38,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-09 09:00:38,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:00:39,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:00:39,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:00:39,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:39,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:39,118 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2022-02-09 09:00:39,185 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:39,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:00:39,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:39,549 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:00:39,550 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 54 [2022-02-09 09:00:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:39,652 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171504165] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:00:39,652 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:00:39,653 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 30 [2022-02-09 09:00:39,653 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350552948] [2022-02-09 09:00:39,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:00:39,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-09 09:00:39,653 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:00:39,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-09 09:00:39,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2022-02-09 09:00:39,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:39,654 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:00:39,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 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) [2022-02-09 09:00:39,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:39,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:39,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:39,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:39,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:39,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:39,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:39,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:39,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:39,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:39,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-09 09:00:40,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:40,103 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:00:40,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:00:40,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1787102481, now seen corresponding path program 4 times [2022-02-09 09:00:40,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:00:40,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11562310] [2022-02-09 09:00:40,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:40,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:00:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:40,152 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:00:40,152 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11562310] [2022-02-09 09:00:40,152 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11562310] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:00:40,152 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391439979] [2022-02-09 09:00:40,152 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 09:00:40,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:40,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:40,154 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) [2022-02-09 09:00:40,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 09:00:40,181 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 09:00:40,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:00:40,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-09 09:00:40,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:00:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:40,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:00:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:40,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391439979] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:00:40,328 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:00:40,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-02-09 09:00:40,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370257689] [2022-02-09 09:00:40,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:00:40,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 09:00:40,329 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:00:40,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 09:00:40,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-02-09 09:00:40,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:40,329 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:00:40,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 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) [2022-02-09 09:00:40,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:40,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:40,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:40,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:40,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:40,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:40,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:40,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:40,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:40,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:40,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:40,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:00:40,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 09:00:40,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:40,620 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:00:40,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:00:40,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1130579921, now seen corresponding path program 5 times [2022-02-09 09:00:40,620 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:00:40,620 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341156202] [2022-02-09 09:00:40,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:40,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:00:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:40,996 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:40,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:00:40,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341156202] [2022-02-09 09:00:40,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341156202] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:00:40,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109342701] [2022-02-09 09:00:40,997 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 09:00:40,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:40,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:40,998 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) [2022-02-09 09:00:40,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 09:00:41,029 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-02-09 09:00:41,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:00:41,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-09 09:00:41,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:00:41,384 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-02-09 09:00:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:41,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:00:41,792 INFO L353 Elim1Store]: treesize reduction 48, result has 62.2 percent of original size [2022-02-09 09:00:41,792 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 28 treesize of output 89 [2022-02-09 09:00:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:42,082 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109342701] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:00:42,082 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:00:42,082 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 41 [2022-02-09 09:00:42,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950637604] [2022-02-09 09:00:42,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:00:42,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-09 09:00:42,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:00:42,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-09 09:00:42,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1515, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 09:00:42,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:42,085 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:00:42,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 41 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:00:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:00:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:43,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:43,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:43,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:43,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:43,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:43,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:00:43,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:00:43,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 09:00:43,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:43,729 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:00:43,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:00:43,729 INFO L85 PathProgramCache]: Analyzing trace with hash -789899023, now seen corresponding path program 6 times [2022-02-09 09:00:43,729 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:00:43,729 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095217750] [2022-02-09 09:00:43,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:43,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:00:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:44,233 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:00:44,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095217750] [2022-02-09 09:00:44,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095217750] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:00:44,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713272367] [2022-02-09 09:00:44,233 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 09:00:44,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:44,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:44,235 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) [2022-02-09 09:00:44,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 09:00:44,273 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-02-09 09:00:44,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:00:44,274 WARN L261 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-09 09:00:44,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:00:45,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:45,019 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2022-02-09 09:00:45,089 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:45,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:00:46,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:46,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:46,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:46,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:46,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:46,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:46,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:46,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:46,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:46,055 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:00:46,055 INFO L387 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 8 new quantified variables, introduced 13 case distinctions, treesize of input 34 treesize of output 141 [2022-02-09 09:00:46,289 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:46,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713272367] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:00:46,290 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:00:46,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 21] total 58 [2022-02-09 09:00:46,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820170915] [2022-02-09 09:00:46,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:00:46,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-02-09 09:00:46,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:00:46,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-02-09 09:00:46,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=3067, Unknown=0, NotChecked=0, Total=3306 [2022-02-09 09:00:46,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:46,292 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:00:46,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 58 states have internal predecessors, (78), 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) [2022-02-09 09:00:46,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:46,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:46,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:46,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:46,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:46,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:00:46,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:00:46,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:00:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:00:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:00:47,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 09:00:47,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-02-09 09:00:47,897 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:00:47,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:00:47,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1718621743, now seen corresponding path program 7 times [2022-02-09 09:00:47,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:00:47,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156269813] [2022-02-09 09:00:47,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:47,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:00:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:47,967 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:00:47,967 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156269813] [2022-02-09 09:00:47,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156269813] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:00:47,967 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378281474] [2022-02-09 09:00:47,967 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 09:00:47,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:47,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:47,968 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:00:47,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 09:00:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:48,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-09 09:00:48,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:00:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:48,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:00:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:48,162 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378281474] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:00:48,162 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:00:48,162 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 18 [2022-02-09 09:00:48,164 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180013528] [2022-02-09 09:00:48,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:00:48,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-09 09:00:48,165 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:00:48,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-09 09:00:48,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-02-09 09:00:48,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:48,166 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:00:48,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 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) [2022-02-09 09:00:48,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:48,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:48,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:48,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:48,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:48,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:00:48,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:00:48,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:00:48,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:48,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:48,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:48,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:48,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:48,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:48,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:00:48,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:00:48,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:00:48,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:00:48,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 09:00:48,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:48,531 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:00:48,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:00:48,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1417768175, now seen corresponding path program 8 times [2022-02-09 09:00:48,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:00:48,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909101471] [2022-02-09 09:00:48,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:48,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:00:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:49,113 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:00:49,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909101471] [2022-02-09 09:00:49,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909101471] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:00:49,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188177473] [2022-02-09 09:00:49,114 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 09:00:49,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:49,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:49,115 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:00:49,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 09:00:49,147 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 09:00:49,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:00:49,148 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 70 conjunts are in the unsatisfiable core [2022-02-09 09:00:49,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:00:50,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:50,203 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2022-02-09 09:00:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:50,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:00:51,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:51,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:51,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:51,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:51,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:51,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:51,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:51,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:51,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:51,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:00:52,042 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:00:52,043 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 20 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 86 treesize of output 271 [2022-02-09 09:00:53,450 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:53,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188177473] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:00:53,450 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:00:53,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 25] total 70 [2022-02-09 09:00:53,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589987409] [2022-02-09 09:00:53,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:00:53,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-02-09 09:00:53,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:00:53,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-02-09 09:00:53,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=4607, Unknown=0, NotChecked=0, Total=4830 [2022-02-09 09:00:53,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:53,452 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:00:53,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 70 states have internal predecessors, (87), 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) [2022-02-09 09:00:53,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:53,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:53,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:53,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:53,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:53,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:00:53,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:00:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:00:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:00:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:55,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:00:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:00:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:00:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:00:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:00:55,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-09 09:00:55,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-09 09:00:55,230 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:00:55,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:00:55,230 INFO L85 PathProgramCache]: Analyzing trace with hash -811155121, now seen corresponding path program 9 times [2022-02-09 09:00:55,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:00:55,230 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055315260] [2022-02-09 09:00:55,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:55,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:00:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:55,316 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:00:55,316 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055315260] [2022-02-09 09:00:55,316 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055315260] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:00:55,316 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397976264] [2022-02-09 09:00:55,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 09:00:55,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:55,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:55,318 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:00:55,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 09:00:55,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-09 09:00:55,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:00:55,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-09 09:00:55,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:00:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:55,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:00:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:55,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397976264] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:00:55,543 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:00:55,543 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 21 [2022-02-09 09:00:55,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510073300] [2022-02-09 09:00:55,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:00:55,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-09 09:00:55,544 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:00:55,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-09 09:00:55,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-02-09 09:00:55,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:55,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:00:55,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:00:55,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:55,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:55,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:55,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:55,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:55,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:00:55,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:00:55,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:00:55,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:00:55,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:00:55,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:00:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:00:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:00:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:00:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:00:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:00:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:00:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:00:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:00:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:00:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:00:55,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 09:00:55,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-09 09:00:55,957 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:00:55,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:00:55,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1581844943, now seen corresponding path program 10 times [2022-02-09 09:00:55,957 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:00:55,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878118537] [2022-02-09 09:00:55,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:00:55,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:00:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:00:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:56,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:00:56,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878118537] [2022-02-09 09:00:56,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878118537] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:00:56,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191795818] [2022-02-09 09:00:56,714 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 09:00:56,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:00:56,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:00:56,715 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:00:56,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 09:00:56,748 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 09:00:56,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:00:56,749 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 81 conjunts are in the unsatisfiable core [2022-02-09 09:00:56,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:00:57,924 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2022-02-09 09:00:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:00:58,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:00:59,728 INFO L353 Elim1Store]: treesize reduction 222, result has 59.0 percent of original size [2022-02-09 09:00:59,728 INFO L387 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 12 new quantified variables, introduced 51 case distinctions, treesize of input 61 treesize of output 344 [2022-02-09 09:01:01,032 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:01,032 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191795818] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:01:01,032 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:01:01,032 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 28, 28] total 79 [2022-02-09 09:01:01,032 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150351711] [2022-02-09 09:01:01,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:01:01,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-02-09 09:01:01,033 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:01:01,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-02-09 09:01:01,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=5934, Unknown=0, NotChecked=0, Total=6162 [2022-02-09 09:01:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:01:01,034 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:01:01,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 79 states have internal predecessors, (97), 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) [2022-02-09 09:01:01,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:01:01,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:01:01,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:01,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:01:01,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:01,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:01:01,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:01:01,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:01:01,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:01:01,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:01:01,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:01:01,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:01:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:01:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:01:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:01:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:01:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:01:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:01:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:01:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:01:03,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:01:03,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:01:03,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-09 09:01:03,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-09 09:01:03,647 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:01:03,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:01:03,647 INFO L85 PathProgramCache]: Analyzing trace with hash -41822865, now seen corresponding path program 11 times [2022-02-09 09:01:03,647 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:01:03,647 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582951323] [2022-02-09 09:01:03,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:01:03,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:01:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:01:03,759 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:03,759 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:01:03,759 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582951323] [2022-02-09 09:01:03,759 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582951323] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:01:03,759 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666068476] [2022-02-09 09:01:03,759 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 09:01:03,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:01:03,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:01:03,761 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:01:03,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-09 09:01:03,792 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-02-09 09:01:03,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:01:03,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-09 09:01:03,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:01:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:03,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:01:04,057 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:04,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666068476] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:01:04,057 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:01:04,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 24 [2022-02-09 09:01:04,058 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341058861] [2022-02-09 09:01:04,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:01:04,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-09 09:01:04,058 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:01:04,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-09 09:01:04,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2022-02-09 09:01:04,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:01:04,058 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:01:04,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.3333333333333335) internal successors, (56), 24 states have internal predecessors, (56), 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) [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:01:04,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:01:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:01:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:01:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:01:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:01:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:01:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:01:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:01:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:01:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:01:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:01:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:01:04,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-09 09:01:04,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-09 09:01:04,450 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:01:04,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:01:04,451 INFO L85 PathProgramCache]: Analyzing trace with hash -987921839, now seen corresponding path program 12 times [2022-02-09 09:01:04,451 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:01:04,451 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594398277] [2022-02-09 09:01:04,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:01:04,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:01:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:01:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 20 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:05,396 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:01:05,396 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594398277] [2022-02-09 09:01:05,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594398277] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:01:05,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424271825] [2022-02-09 09:01:05,397 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 09:01:05,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:01:05,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:01:05,398 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:01:05,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-09 09:01:05,434 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-02-09 09:01:05,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:01:05,435 WARN L261 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 93 conjunts are in the unsatisfiable core [2022-02-09 09:01:05,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:01:06,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:01:06,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:01:06,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:01:07,101 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:01:07,101 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 23 case distinctions, treesize of input 77 treesize of output 255 [2022-02-09 09:01:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:08,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:01:10,964 INFO L353 Elim1Store]: treesize reduction 150, result has 59.6 percent of original size [2022-02-09 09:01:10,964 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 35 case distinctions, treesize of input 44 treesize of output 235 [2022-02-09 09:01:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:11,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424271825] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:01:11,726 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:01:11,726 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 91 [2022-02-09 09:01:11,726 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620449549] [2022-02-09 09:01:11,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:01:11,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2022-02-09 09:01:11,729 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:01:11,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2022-02-09 09:01:11,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=7733, Unknown=0, NotChecked=0, Total=8190 [2022-02-09 09:01:11,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:01:11,731 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:01:11,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 1.2087912087912087) internal successors, (110), 91 states have internal predecessors, (110), 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) [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:01:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:01:17,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:01:17,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:01:17,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:17,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:01:17,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:17,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:01:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:01:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:01:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:01:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:01:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:01:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:01:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:01:17,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:01:17,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-02-09 09:01:17,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:01:17,879 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:01:17,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:01:17,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1311471473, now seen corresponding path program 13 times [2022-02-09 09:01:17,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:01:17,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094699532] [2022-02-09 09:01:17,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:01:17,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:01:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:01:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 26 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:19,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:01:19,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094699532] [2022-02-09 09:01:19,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094699532] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:01:19,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767426988] [2022-02-09 09:01:19,018 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 09:01:19,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:01:19,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:01:19,019 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:01:19,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-09 09:01:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:01:19,058 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 105 conjunts are in the unsatisfiable core [2022-02-09 09:01:19,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:01:20,673 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 31 [2022-02-09 09:01:20,756 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:20,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:01:23,710 INFO L353 Elim1Store]: treesize reduction 408, result has 58.2 percent of original size [2022-02-09 09:01:23,711 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 92 case distinctions, treesize of input 70 treesize of output 591 [2022-02-09 09:01:27,672 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:27,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767426988] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:01:27,673 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:01:27,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 36, 36] total 101 [2022-02-09 09:01:27,673 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345854368] [2022-02-09 09:01:27,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:01:27,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-02-09 09:01:27,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:01:27,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-02-09 09:01:27,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=9602, Unknown=0, NotChecked=0, Total=10100 [2022-02-09 09:01:27,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:01:27,675 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:01:27,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 1.188118811881188) internal successors, (120), 101 states have internal predecessors, (120), 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) [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:01:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:01:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:01:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:01:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:01:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:01:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:01:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:01:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:01:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:01:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:01:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:01:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:01:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:01:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:01:36,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-02-09 09:01:36,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-09 09:01:36,231 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:01:36,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:01:36,232 INFO L85 PathProgramCache]: Analyzing trace with hash -2142628463, now seen corresponding path program 14 times [2022-02-09 09:01:36,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:01:36,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818377850] [2022-02-09 09:01:36,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:01:36,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:01:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:01:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 32 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:37,626 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:01:37,626 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818377850] [2022-02-09 09:01:37,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818377850] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:01:37,626 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65865686] [2022-02-09 09:01:37,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 09:01:37,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:01:37,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:01:37,628 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:01:37,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-09 09:01:37,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 09:01:37,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:01:37,667 WARN L261 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 118 conjunts are in the unsatisfiable core [2022-02-09 09:01:37,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:01:39,604 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:01:39,604 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 77 treesize of output 113 [2022-02-09 09:01:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:39,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:01:45,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:45,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:01:46,168 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:01:46,168 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 100 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 53 case distinctions, treesize of input 153 treesize of output 560 [2022-02-09 09:01:56,593 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:01:56,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65865686] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:01:56,593 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:01:56,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 41] total 116 [2022-02-09 09:01:56,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188507379] [2022-02-09 09:01:56,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:01:56,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2022-02-09 09:01:56,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:01:56,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2022-02-09 09:01:56,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1396, Invalid=11944, Unknown=0, NotChecked=0, Total=13340 [2022-02-09 09:01:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:01:56,597 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:01:56,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 1.1896551724137931) internal successors, (138), 116 states have internal predecessors, (138), 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) [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:01:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:01:56,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:01:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:01:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:01:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:01:59,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-09 09:01:59,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-09 09:01:59,447 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:01:59,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:01:59,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1915577167, now seen corresponding path program 15 times [2022-02-09 09:01:59,447 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:01:59,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99090160] [2022-02-09 09:01:59,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:01:59,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:01:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:02:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 56 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:02:01,080 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:02:01,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99090160] [2022-02-09 09:02:01,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99090160] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:02:01,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916633687] [2022-02-09 09:02:01,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 09:02:01,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:02:01,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:02:01,082 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:02:01,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-09 09:02:01,127 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-02-09 09:02:01,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:02:01,129 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 129 conjunts are in the unsatisfiable core [2022-02-09 09:02:01,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:02:04,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:02:04,841 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:02:04,842 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 40 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 65 case distinctions, treesize of input 85 treesize of output 677 [2022-02-09 09:02:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:02:52,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:02:58,892 INFO L353 Elim1Store]: treesize reduction 150, result has 59.6 percent of original size [2022-02-09 09:02:58,892 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 35 case distinctions, treesize of input 44 treesize of output 235 [2022-02-09 09:02:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:02:59,879 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916633687] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:02:59,879 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:02:59,880 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 124 [2022-02-09 09:02:59,880 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181702869] [2022-02-09 09:02:59,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:02:59,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2022-02-09 09:02:59,880 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:02:59,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2022-02-09 09:02:59,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=798, Invalid=14454, Unknown=0, NotChecked=0, Total=15252 [2022-02-09 09:02:59,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:02:59,883 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:02:59,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 1.1774193548387097) internal successors, (146), 124 states have internal predecessors, (146), 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) [2022-02-09 09:02:59,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:02:59,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:02:59,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:02:59,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:02:59,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:02:59,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:02:59,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:02:59,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:02:59,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:02:59,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:02:59,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:02:59,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:02:59,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:02:59,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:02:59,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:02:59,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:02:59,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:03:11,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:03:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:03:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:03:11,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-09 09:03:11,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-09 09:03:11,769 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:03:11,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:03:11,769 INFO L85 PathProgramCache]: Analyzing trace with hash 2081311953, now seen corresponding path program 16 times [2022-02-09 09:03:11,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:03:11,770 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890617126] [2022-02-09 09:03:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:03:11,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:03:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:03:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 63 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:03:13,737 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:03:13,737 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890617126] [2022-02-09 09:03:13,737 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890617126] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:03:13,737 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805435312] [2022-02-09 09:03:13,737 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 09:03:13,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:03:13,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:03:13,738 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:03:13,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-09 09:03:13,781 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 09:03:13,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:03:13,783 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 141 conjunts are in the unsatisfiable core [2022-02-09 09:03:13,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:03:18,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:03:18,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:03:18,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:03:18,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:03:18,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:03:18,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:03:18,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:03:18,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:03:18,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:03:18,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:03:18,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:03:18,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:03:18,597 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 63 [2022-02-09 09:03:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:03:18,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:03:27,642 INFO L353 Elim1Store]: treesize reduction 792, result has 57.7 percent of original size [2022-02-09 09:03:27,642 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 176 case distinctions, treesize of input 92 treesize of output 1105 [2022-02-09 09:04:26,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:26,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:26,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:26,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:26,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:26,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:26,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:26,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:26,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:26,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:26,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:26,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:26,480 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 3 [2022-02-09 09:04:26,503 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:04:26,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805435312] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:04:26,503 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:04:26,503 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 48, 48] total 135 [2022-02-09 09:04:26,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097325565] [2022-02-09 09:04:26,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:04:26,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2022-02-09 09:04:26,504 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:04:26,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2022-02-09 09:04:26,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=17219, Unknown=0, NotChecked=0, Total=18090 [2022-02-09 09:04:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:04:26,505 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:04:26,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 1.125925925925926) internal successors, (152), 135 states have internal predecessors, (152), 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) [2022-02-09 09:04:26,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:04:26,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:04:26,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:04:26,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:04:26,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:04:26,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:04:26,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:04:26,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:04:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:04:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:04:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:04:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:04:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:04:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:04:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:04:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:04:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:04:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:04:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:04:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:04:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:04:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:04:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:04:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:04:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:04:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:04:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:04:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:04:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:04:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:04:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:04:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:04:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:04:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:04:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:04:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-09 09:04:34,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-09 09:04:34,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-09 09:04:34,433 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:04:34,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:04:34,433 INFO L85 PathProgramCache]: Analyzing trace with hash 121005553, now seen corresponding path program 17 times [2022-02-09 09:04:34,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:04:34,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196528802] [2022-02-09 09:04:34,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:04:34,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:04:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:04:36,981 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:04:36,982 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:04:36,982 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196528802] [2022-02-09 09:04:36,982 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196528802] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:04:36,982 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427526599] [2022-02-09 09:04:36,982 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 09:04:36,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:04:36,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:04:36,983 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:04:36,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-02-09 09:04:37,034 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2022-02-09 09:04:37,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:04:37,036 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 153 conjunts are in the unsatisfiable core [2022-02-09 09:04:37,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:04:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:45,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:45,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:45,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:45,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:45,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:45,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:45,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:45,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:45,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:45,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:45,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:04:45,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:04:45,474 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 66 disjoint index pairs (out of 276 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 68 [2022-02-09 09:04:45,657 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:04:45,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:04:58,868 INFO L353 Elim1Store]: treesize reduction 948, result has 57.5 percent of original size [2022-02-09 09:04:58,868 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 66 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 210 case distinctions, treesize of input 100 treesize of output 1313 [2022-02-09 09:06:13,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:13,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:13,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:13,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:13,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:13,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:13,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:13,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:13,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:13,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:13,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:13,607 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 66 disjoint index pairs (out of 276 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 3 [2022-02-09 09:06:13,629 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:06:13,629 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427526599] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:06:13,629 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:06:13,630 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 52, 52] total 148 [2022-02-09 09:06:13,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131457982] [2022-02-09 09:06:13,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:06:13,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2022-02-09 09:06:13,630 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:06:13,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2022-02-09 09:06:13,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=455, Invalid=21301, Unknown=0, NotChecked=0, Total=21756 [2022-02-09 09:06:13,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:06:13,632 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:06:13,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 1.1081081081081081) internal successors, (164), 148 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-02-09 09:06:13,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:06:24,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:06:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-09 09:06:24,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:06:24,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-02-09 09:06:24,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:06:24,714 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:06:24,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:06:24,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1002892079, now seen corresponding path program 18 times [2022-02-09 09:06:24,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:06:24,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687936529] [2022-02-09 09:06:24,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:06:24,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:06:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:06:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 144 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:06:24,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:06:24,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687936529] [2022-02-09 09:06:24,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687936529] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:06:24,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197488908] [2022-02-09 09:06:24,967 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 09:06:24,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:06:24,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:06:24,968 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:06:24,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-02-09 09:06:25,016 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-02-09 09:06:25,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:06:25,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 09:06:25,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:06:25,307 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 144 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:06:25,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:06:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 144 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:06:25,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197488908] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:06:25,418 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:06:25,418 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 42 [2022-02-09 09:06:25,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986794690] [2022-02-09 09:06:25,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:06:25,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-09 09:06:25,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:06:25,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-09 09:06:25,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 09:06:25,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:06:25,419 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:06:25,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.1904761904761907) internal successors, (92), 42 states have internal predecessors, (92), 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) [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:06:25,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:06:25,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:06:25,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:06:25,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:06:25,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-02-09 09:06:25,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:06:25,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:06:25,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:06:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 09:06:25,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-02-09 09:06:26,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:06:26,112 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:06:26,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:06:26,112 INFO L85 PathProgramCache]: Analyzing trace with hash -2039207919, now seen corresponding path program 19 times [2022-02-09 09:06:26,112 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:06:26,112 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123768042] [2022-02-09 09:06:26,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:06:26,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:06:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:06:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:06:29,143 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:06:29,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123768042] [2022-02-09 09:06:29,143 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123768042] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:06:29,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605958015] [2022-02-09 09:06:29,143 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 09:06:29,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:06:29,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:06:29,144 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:06:29,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-02-09 09:06:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:06:29,190 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 165 conjunts are in the unsatisfiable core [2022-02-09 09:06:29,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:06:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:06:40,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:06:40,997 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 78 disjoint index pairs (out of 325 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 54 [2022-02-09 09:06:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:06:41,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:06:58,434 WARN L228 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 1042 DAG size of output: 730 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-09 09:06:58,436 INFO L353 Elim1Store]: treesize reduction 1118, result has 57.4 percent of original size [2022-02-09 09:06:58,436 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 78 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 247 case distinctions, treesize of input 108 treesize of output 1539 [2022-02-09 09:08:24,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:08:24,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:08:24,781 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 78 disjoint index pairs (out of 325 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 3 [2022-02-09 09:08:24,804 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:08:24,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605958015] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:08:24,805 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:08:24,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 56, 56] total 160 [2022-02-09 09:08:24,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697562977] [2022-02-09 09:08:24,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:08:24,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 160 states [2022-02-09 09:08:24,805 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:08:24,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2022-02-09 09:08:24,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=24947, Unknown=0, NotChecked=0, Total=25440 [2022-02-09 09:08:24,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:08:24,807 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:08:24,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 160 states, 160 states have (on average 1.1) internal successors, (176), 160 states have internal predecessors, (176), 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) [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:08:24,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:08:24,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:08:24,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:08:24,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-02-09 09:08:24,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:08:24,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 09:08:24,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:08:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:08:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:08:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:08:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:08:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:08:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:08:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 09:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-09 09:08:37,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-02-09 09:08:37,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:08:37,227 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:08:37,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:08:37,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1218698831, now seen corresponding path program 20 times [2022-02-09 09:08:37,228 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:08:37,228 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357584016] [2022-02-09 09:08:37,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:08:37,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:08:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:08:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 169 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:08:37,505 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:08:37,505 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357584016] [2022-02-09 09:08:37,505 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357584016] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:08:37,505 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679063863] [2022-02-09 09:08:37,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 09:08:37,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:08:37,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:08:37,507 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:08:37,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-02-09 09:08:37,549 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 09:08:37,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:08:37,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-09 09:08:37,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:08:37,876 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 169 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:08:37,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:08:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 169 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:08:37,990 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679063863] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:08:37,990 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:08:37,990 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 45 [2022-02-09 09:08:37,990 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617951312] [2022-02-09 09:08:37,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:08:37,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-02-09 09:08:37,990 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:08:37,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-02-09 09:08:37,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=1501, Unknown=0, NotChecked=0, Total=1980 [2022-02-09 09:08:37,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:08:37,991 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:08:37,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.1777777777777776) internal successors, (98), 45 states have internal predecessors, (98), 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) [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:08:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:08:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:08:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:08:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-02-09 09:08:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:08:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 09:08:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-09 09:08:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:08:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 09:08:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:08:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:08:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 09:08:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 09:08:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 09:08:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 09:08:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 09:08:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:08:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 09:08:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 09:08:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:08:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 09:08:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 09:08:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-09 09:08:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:08:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:08:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-09 09:08:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:08:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 09:08:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-09 09:08:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 09:08:38,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-02-09 09:08:38,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:08:38,638 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 09:08:38,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:08:38,638 INFO L85 PathProgramCache]: Analyzing trace with hash -807349455, now seen corresponding path program 21 times [2022-02-09 09:08:38,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:08:38,638 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638453982] [2022-02-09 09:08:38,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:08:38,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:08:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:08:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:08:42,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:08:42,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638453982] [2022-02-09 09:08:42,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638453982] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:08:42,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187835274] [2022-02-09 09:08:42,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 09:08:42,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:08:42,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:08:42,260 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:08:42,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-02-09 09:08:42,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2022-02-09 09:08:42,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:08:42,317 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 177 conjunts are in the unsatisfiable core [2022-02-09 09:08:42,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:09:09,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:09:09,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:09:09,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:09:09,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:09:09,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:09:09,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:09:09,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:09:09,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:09:09,418 INFO L244 Elim1Store]: Index analysis took 138 ms [2022-02-09 09:09:11,143 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:09:11,144 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 84 disjoint index pairs (out of 378 index pairs), introduced 21 new quantified variables, introduced 224 case distinctions, treesize of input 198 treesize of output 1494 Received shutdown request... [2022-02-09 09:14:25,424 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-09 09:14:25,426 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (6 of 7 remaining) [2022-02-09 09:14:25,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-02-09 09:14:25,451 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 [2022-02-09 09:14:25,452 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 09:14:25,453 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 [2022-02-09 09:14:25,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:14:25,627 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. [2022-02-09 09:14:25,628 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4INUSE_VIOLATION (5 of 7 remaining) [2022-02-09 09:14:25,628 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5INUSE_VIOLATION (4 of 7 remaining) [2022-02-09 09:14:25,628 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (3 of 7 remaining) [2022-02-09 09:14:25,628 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (2 of 7 remaining) [2022-02-09 09:14:25,628 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err0INUSE_VIOLATION (1 of 7 remaining) [2022-02-09 09:14:25,629 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err1INUSE_VIOLATION (0 of 7 remaining) [2022-02-09 09:14:25,632 INFO L732 BasicCegarLoop]: Path program histogram: [21, 1, 1] [2022-02-09 09:14:25,634 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 09:14:25,634 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 09:14:25,635 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 09:14:25 BasicIcfg [2022-02-09 09:14:25,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 09:14:25,636 INFO L158 Benchmark]: Toolchain (without parser) took 830128.04ms. Allocated memory was 199.2MB in the beginning and 660.6MB in the end (delta: 461.4MB). Free memory was 164.2MB in the beginning and 252.7MB in the end (delta: -88.5MB). Peak memory consumption was 473.7MB. Max. memory is 8.0GB. [2022-02-09 09:14:25,636 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 199.2MB. Free memory is still 165.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 09:14:25,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.40ms. Allocated memory is still 199.2MB. Free memory was 164.2MB in the beginning and 162.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 09:14:25,636 INFO L158 Benchmark]: Boogie Preprocessor took 14.88ms. Allocated memory is still 199.2MB. Free memory was 162.7MB in the beginning and 161.8MB in the end (delta: 928.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 09:14:25,636 INFO L158 Benchmark]: RCFGBuilder took 173.30ms. Allocated memory is still 199.2MB. Free memory was 161.6MB in the beginning and 151.5MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-09 09:14:25,636 INFO L158 Benchmark]: TraceAbstraction took 829915.00ms. Allocated memory was 199.2MB in the beginning and 660.6MB in the end (delta: 461.4MB). Free memory was 151.0MB in the beginning and 252.7MB in the end (delta: -101.7MB). Peak memory consumption was 461.1MB. Max. memory is 8.0GB. [2022-02-09 09:14:25,637 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 199.2MB. Free memory is still 165.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.40ms. Allocated memory is still 199.2MB. Free memory was 164.2MB in the beginning and 162.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.88ms. Allocated memory is still 199.2MB. Free memory was 162.7MB in the beginning and 161.8MB in the end (delta: 928.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 173.30ms. Allocated memory is still 199.2MB. Free memory was 161.6MB in the beginning and 151.5MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 829915.00ms. Allocated memory was 199.2MB in the beginning and 660.6MB in the end (delta: 461.4MB). Free memory was 151.0MB in the beginning and 252.7MB in the end (delta: -101.7MB). Peak memory consumption was 461.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4844, positive: 3328, positive conditional: 3328, positive unconditional: 0, negative: 1516, negative conditional: 1516, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3686, positive: 3328, positive conditional: 3328, positive unconditional: 0, negative: 358, negative conditional: 358, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3686, positive: 3328, positive conditional: 3328, positive unconditional: 0, negative: 358, negative conditional: 358, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7740, positive: 3328, positive conditional: 3213, positive unconditional: 115, negative: 4412, negative conditional: 4054, negative unconditional: 358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7740, positive: 3328, positive conditional: 2818, positive unconditional: 510, negative: 4412, negative conditional: 4010, negative unconditional: 402, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7740, positive: 3328, positive conditional: 2818, positive unconditional: 510, negative: 4412, negative conditional: 4010, negative unconditional: 402, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 385, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 340, negative conditional: 338, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 385, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 342, negative conditional: 0, negative unconditional: 342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 342, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 340, negative conditional: 338, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 526, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 480, negative conditional: 457, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7740, positive: 3283, positive conditional: 2818, positive unconditional: 465, negative: 4072, negative conditional: 3672, negative unconditional: 400, unknown: 385, unknown conditional: 338, unknown unconditional: 47] , Statistics on independence cache: Total cache size (in pairs): 385, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 340, Negative conditional cache size: 338, Negative unconditional cache size: 2, Eliminated conditions: 439, Maximal queried relation: 22, Independence queries for same thread: 1158 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. - TimeoutResultAtElement [Line: 50]: 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 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. - TimeoutResultAtElement [Line: 54]: 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 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. - TimeoutResultAtElement [Line: 78]: 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 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. - TimeoutResultAtElement [Line: 81]: 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 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. - TimeoutResultAtElement [Line: 50]: 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 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. - TimeoutResultAtElement [Line: 54]: 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 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 829.8s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 21, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 68.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 706, 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, 0.5s SatisfiabilityAnalysisTime, 408.5s InterpolantComputationTime, 1792 NumberOfCodeBlocks, 1792 NumberOfCodeBlocksAsserted, 111 NumberOfCheckSat, 2616 ConstructedInterpolants, 231 QuantifiedInterpolants, 85062 SizeOfPredicates, 289 NumberOfNonLiveVariables, 3108 ConjunctsInSsa, 1331 ConjunctsInUnsatCore, 64 InterpolantComputations, 1 PerfectInterpolantSequences, 1384/7566 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