/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 04:38:43,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 04:38:43,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 04:38:44,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 04:38:44,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 04:38:44,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 04:38:44,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 04:38:44,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 04:38:44,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 04:38:44,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 04:38:44,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 04:38:44,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 04:38:44,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 04:38:44,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 04:38:44,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 04:38:44,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 04:38:44,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 04:38:44,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 04:38:44,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 04:38:44,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 04:38:44,035 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-19 04:38:44,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 04:38:44,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 04:38:44,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 04:38:44,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 04:38:44,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 04:38:44,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 04:38:44,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 04:38:44,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 04:38:44,051 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 04:38:44,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 04:38:44,054 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 04:38:44,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 04:38:44,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 04:38:44,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 04:38:44,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 04:38:44,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 04:38:44,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 04:38:44,055 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 04:38:44,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 04:38:44,055 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 04:38:44,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 04:38:44,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 04:38:44,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 04:38:44,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 04:38:44,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 04:38:44,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 04:38:44,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 04:38:44,056 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 04:38:44,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 04:38:44,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 04:38:44,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 04:38:44,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 04:38:44,056 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 04:38:44,056 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 04:38:44,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 04:38:44,057 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 04:38:44,057 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 04:38:44,057 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 04:38:44,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 04:38:44,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 04:38:44,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 04:38:44,246 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 04:38:44,247 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 04:38:44,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl [2022-02-19 04:38:44,248 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2022-02-19 04:38:44,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 04:38:44,265 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 04:38:44,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 04:38:44,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 04:38:44,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 04:38:44,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:38:44" (1/1) ... [2022-02-19 04:38:44,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:38:44" (1/1) ... [2022-02-19 04:38:44,306 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 04:38:44,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 04:38:44,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 04:38:44,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 04:38:44,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 04:38:44,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:38:44" (1/1) ... [2022-02-19 04:38:44,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:38:44" (1/1) ... [2022-02-19 04:38:44,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:38:44" (1/1) ... [2022-02-19 04:38:44,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:38:44" (1/1) ... [2022-02-19 04:38:44,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:38:44" (1/1) ... [2022-02-19 04:38:44,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:38:44" (1/1) ... [2022-02-19 04:38:44,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:38:44" (1/1) ... [2022-02-19 04:38:44,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 04:38:44,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 04:38:44,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 04:38:44,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 04:38:44,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:38:44" (1/1) ... [2022-02-19 04:38:44,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 04:38:44,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:38:44,343 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) [2022-02-19 04:38:44,355 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 [2022-02-19 04:38:44,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 04:38:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 04:38:44,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 04:38:44,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 04:38:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 04:38:44,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 04:38:44,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 04:38:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 04:38:44,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 04:38:44,374 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 04:38:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 04:38:44,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 04:38:44,374 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 04:38:44,416 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 04:38:44,419 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 04:38:44,533 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 04:38:44,541 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 04:38:44,542 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 04:38:44,543 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:38:44 BoogieIcfgContainer [2022-02-19 04:38:44,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 04:38:44,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 04:38:44,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 04:38:44,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 04:38:44,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:38:44" (1/2) ... [2022-02-19 04:38:44,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86ccd5b and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:38:44, skipping insertion in model container [2022-02-19 04:38:44,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:38:44" (2/2) ... [2022-02-19 04:38:44,571 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2022-02-19 04:38:44,574 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 04:38:44,574 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 04:38:44,574 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 04:38:44,574 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 04:38:44,608 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 04:38:44,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 04:38:44,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:38:44,673 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) [2022-02-19 04:38:44,674 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 [2022-02-19 04:38:44,699 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 04:38:44,703 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 04:38:44,704 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 04:38:44,821 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:38:44,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:38:44,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1005745243, now seen corresponding path program 1 times [2022-02-19 04:38:44,830 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:38:44,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781898553] [2022-02-19 04:38:44,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:38:44,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:38:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:38:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:38:44,927 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:38:44,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781898553] [2022-02-19 04:38:44,928 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781898553] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:38:44,928 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 04:38:44,928 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 04:38:44,929 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681900198] [2022-02-19 04:38:44,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:38:44,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 04:38:44,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:38:44,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 04:38:44,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 04:38:44,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:38:44,948 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:38:44,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 04:38:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:38:45,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:38:45,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 04:38:45,005 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:38:45,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:38:45,006 INFO L85 PathProgramCache]: Analyzing trace with hash -561224098, now seen corresponding path program 1 times [2022-02-19 04:38:45,006 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:38:45,006 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479961590] [2022-02-19 04:38:45,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:38:45,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:38:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:38:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:38:45,048 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:38:45,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479961590] [2022-02-19 04:38:45,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479961590] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:38:45,049 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 04:38:45,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 04:38:45,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121247403] [2022-02-19 04:38:45,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:38:45,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 04:38:45,051 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:38:45,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 04:38:45,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-19 04:38:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:38:45,051 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:38:45,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-02-19 04:38:45,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:38:45,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:38:45,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:38:45,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:38:45,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 04:38:45,096 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:38:45,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:38:45,096 INFO L85 PathProgramCache]: Analyzing trace with hash -2143334727, now seen corresponding path program 1 times [2022-02-19 04:38:45,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:38:45,097 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160770163] [2022-02-19 04:38:45,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:38:45,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:38:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:38:45,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:38:45,584 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:38:45,584 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160770163] [2022-02-19 04:38:45,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160770163] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:38:45,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459642643] [2022-02-19 04:38:45,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:38:45,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:38:45,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:38:45,595 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) [2022-02-19 04:38:45,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 04:38:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:38:45,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-19 04:38:45,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:38:45,911 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 28 treesize of output 22 [2022-02-19 04:38:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:38:45,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:38:46,099 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:38:46,100 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 17 treesize of output 22 [2022-02-19 04:38:46,107 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:38:46,107 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 13 treesize of output 18 [2022-02-19 04:38:46,156 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 18 treesize of output 12 [2022-02-19 04:38:46,160 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 12 treesize of output 5 [2022-02-19 04:38:46,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:38:46,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459642643] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:38:46,258 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:38:46,258 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2022-02-19 04:38:46,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009803508] [2022-02-19 04:38:46,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:38:46,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-19 04:38:46,259 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:38:46,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-19 04:38:46,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2022-02-19 04:38:46,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:38:46,262 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:38:46,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 19 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 04:38:46,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:38:46,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:38:46,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:38:46,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:38:46,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:38:46,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:38:46,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 04:38:46,691 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,SelfDestructingSolverStorable2 [2022-02-19 04:38:46,692 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:38:46,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:38:46,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1322152572, now seen corresponding path program 2 times [2022-02-19 04:38:46,693 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:38:46,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629287942] [2022-02-19 04:38:46,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:38:46,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:38:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:38:46,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:38:46,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:38:46,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629287942] [2022-02-19 04:38:46,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629287942] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:38:46,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287435010] [2022-02-19 04:38:46,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:38:46,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:38:46,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:38:46,753 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) [2022-02-19 04:38:46,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 04:38:46,782 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:38:46,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:38:46,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 04:38:46,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:38:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:38:46,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:38:46,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:38:46,994 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287435010] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:38:46,994 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:38:46,994 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-02-19 04:38:46,994 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051366385] [2022-02-19 04:38:46,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:38:46,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-19 04:38:46,995 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:38:46,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-19 04:38:46,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-19 04:38:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:38:46,996 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:38:46,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 04:38:46,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:38:46,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:38:46,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:38:46,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:38:47,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:38:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:38:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:38:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:38:47,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 04:38:47,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:38:47,421 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:38:47,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:38:47,421 INFO L85 PathProgramCache]: Analyzing trace with hash 344564156, now seen corresponding path program 1 times [2022-02-19 04:38:47,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:38:47,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090933210] [2022-02-19 04:38:47,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:38:47,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:38:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:38:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:38:47,476 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:38:47,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090933210] [2022-02-19 04:38:47,476 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090933210] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:38:47,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363908777] [2022-02-19 04:38:47,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:38:47,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:38:47,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:38:47,478 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) [2022-02-19 04:38:47,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 04:38:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:38:47,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 04:38:47,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:38:47,613 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:38:47,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:38:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:38:47,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363908777] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:38:47,726 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:38:47,726 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-19 04:38:47,727 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553418760] [2022-02-19 04:38:47,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:38:47,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-19 04:38:47,727 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:38:47,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-19 04:38:47,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-02-19 04:38:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:38:47,728 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:38:47,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 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) [2022-02-19 04:38:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:38:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:38:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:38:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:38:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:38:47,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:38:47,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:38:47,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:38:47,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:38:47,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:38:47,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 04:38:48,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:38:48,064 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:38:48,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:38:48,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1430456665, now seen corresponding path program 2 times [2022-02-19 04:38:48,065 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:38:48,065 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831383070] [2022-02-19 04:38:48,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:38:48,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:38:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:38:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:38:48,600 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:38:48,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831383070] [2022-02-19 04:38:48,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831383070] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:38:48,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874525159] [2022-02-19 04:38:48,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:38:48,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:38:48,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:38:48,601 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) [2022-02-19 04:38:48,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 04:38:48,644 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:38:48,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:38:48,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-19 04:38:48,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:38:49,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:38:49,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:38:49,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:38:49,395 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2022-02-19 04:38:49,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:38:49,400 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 12 treesize of output 3 [2022-02-19 04:38:49,437 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:38:49,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:38:50,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:38:50,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:38:50,086 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:38:50,087 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 99 treesize of output 188 [2022-02-19 04:38:50,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:38:50,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:38:50,167 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:38:50,167 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 67 treesize of output 156 [2022-02-19 04:38:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:38:58,759 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874525159] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:38:58,759 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:38:58,759 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 40 [2022-02-19 04:38:58,760 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670002430] [2022-02-19 04:38:58,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:38:58,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-02-19 04:38:58,762 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:38:58,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-02-19 04:38:58,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1316, Unknown=0, NotChecked=0, Total=1560 [2022-02-19 04:38:58,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:38:58,763 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:38:58,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.025) internal successors, (81), 40 states have internal predecessors, (81), 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) [2022-02-19 04:38:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:38:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:38:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:38:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:38:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:38:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:38:59,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:38:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:38:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:38:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:38:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:38:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:38:59,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 04:38:59,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:38:59,943 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:38:59,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:38:59,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1560518812, now seen corresponding path program 3 times [2022-02-19 04:38:59,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:38:59,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097548793] [2022-02-19 04:38:59,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:38:59,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:38:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:39:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:39:00,022 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:39:00,022 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097548793] [2022-02-19 04:39:00,022 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097548793] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:39:00,022 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475232379] [2022-02-19 04:39:00,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:39:00,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:39:00,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:39:00,023 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) [2022-02-19 04:39:00,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 04:39:00,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-19 04:39:00,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:39:00,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-19 04:39:00,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:39:00,232 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:39:00,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:39:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:39:00,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475232379] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:39:00,408 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:39:00,408 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-02-19 04:39:00,408 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551528325] [2022-02-19 04:39:00,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:39:00,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-19 04:39:00,409 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:39:00,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-19 04:39:00,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-19 04:39:00,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:39:00,410 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:39:00,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.3333333333333335) internal successors, (90), 27 states have internal predecessors, (90), 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) [2022-02-19 04:39:00,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:39:00,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:39:00,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:39:00,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:39:00,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:39:00,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:39:00,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:39:01,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:39:01,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:39:01,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:39:01,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:39:01,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:39:01,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:39:01,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:39:01,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 04:39:01,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:39:01,271 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:39:01,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:39:01,272 INFO L85 PathProgramCache]: Analyzing trace with hash -496257060, now seen corresponding path program 4 times [2022-02-19 04:39:01,272 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:39:01,272 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863780010] [2022-02-19 04:39:01,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:39:01,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:39:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:39:01,349 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:39:01,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:39:01,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863780010] [2022-02-19 04:39:01,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863780010] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:39:01,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682496383] [2022-02-19 04:39:01,350 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:39:01,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:39:01,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:39:01,351 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) [2022-02-19 04:39:01,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 04:39:01,376 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:39:01,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:39:01,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-19 04:39:01,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:39:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:39:01,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:39:01,655 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:39:01,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682496383] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:39:01,655 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:39:01,655 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2022-02-19 04:39:01,655 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914615655] [2022-02-19 04:39:01,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:39:01,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-19 04:39:01,656 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:39:01,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-19 04:39:01,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-02-19 04:39:01,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:39:01,657 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:39:01,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 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) [2022-02-19 04:39:01,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:39:01,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:39:01,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:39:01,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:39:01,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:39:01,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:39:01,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:39:01,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:39:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:39:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:39:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:39:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:39:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:39:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:39:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:39:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:39:01,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 04:39:02,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:39:02,085 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:39:02,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:39:02,088 INFO L85 PathProgramCache]: Analyzing trace with hash -744645639, now seen corresponding path program 5 times [2022-02-19 04:39:02,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:39:02,089 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211450612] [2022-02-19 04:39:02,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:39:02,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:39:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:39:03,015 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:39:03,015 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:39:03,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211450612] [2022-02-19 04:39:03,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211450612] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:39:03,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994898535] [2022-02-19 04:39:03,015 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:39:03,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:39:03,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:39:03,017 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) [2022-02-19 04:39:03,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 04:39:03,053 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-19 04:39:03,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:39:03,054 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-19 04:39:03,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:39:04,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:04,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:04,269 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 72 treesize of output 52 [2022-02-19 04:39:04,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:04,272 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 21 treesize of output 17 [2022-02-19 04:39:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:39:04,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:39:05,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:05,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:05,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:05,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:05,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:05,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,077 INFO L353 Elim1Store]: treesize reduction 142, result has 66.3 percent of original size [2022-02-19 04:39:06,078 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 93 treesize of output 338 [2022-02-19 04:39:06,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:06,295 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:39:06,296 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 16 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 29 case distinctions, treesize of input 59 treesize of output 334 [2022-02-19 04:39:43,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,079 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:39:43,079 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 93 treesize of output 168 [2022-02-19 04:39:43,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:43,145 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:39:43,146 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 134 [2022-02-19 04:39:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:39:43,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994898535] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:39:43,843 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:39:43,843 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 66 [2022-02-19 04:39:43,843 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267408318] [2022-02-19 04:39:43,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:39:43,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-02-19 04:39:43,844 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:39:43,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-02-19 04:39:43,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=4012, Unknown=0, NotChecked=0, Total=4290 [2022-02-19 04:39:43,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:39:43,851 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:39:43,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 1.8484848484848484) internal successors, (122), 66 states have internal predecessors, (122), 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) [2022-02-19 04:39:43,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:39:43,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:39:43,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:39:43,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:39:43,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:39:43,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:39:43,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:39:43,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:39:43,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:39:48,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:39:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:39:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:39:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:39:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:39:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:39:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:39:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:39:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:39:48,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-19 04:39:49,178 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,SelfDestructingSolverStorable8 [2022-02-19 04:39:49,178 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:39:49,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:39:49,179 INFO L85 PathProgramCache]: Analyzing trace with hash -784856677, now seen corresponding path program 6 times [2022-02-19 04:39:49,179 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:39:49,179 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164823482] [2022-02-19 04:39:49,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:39:49,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:39:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:39:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 5 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:39:50,260 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:39:50,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164823482] [2022-02-19 04:39:50,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164823482] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:39:50,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731234953] [2022-02-19 04:39:50,260 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:39:50,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:39:50,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:39:50,261 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) [2022-02-19 04:39:50,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 04:39:50,299 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-02-19 04:39:50,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:39:50,301 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 62 conjunts are in the unsatisfiable core [2022-02-19 04:39:50,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:39:52,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:52,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:52,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:52,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:52,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:52,319 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 6 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 57 [2022-02-19 04:39:52,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:52,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:52,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:52,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:52,323 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 22 treesize of output 3 [2022-02-19 04:39:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:39:52,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:39:55,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:55,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:55,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,246 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:39:55,247 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 21 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 32 case distinctions, treesize of input 114 treesize of output 337 [2022-02-19 04:39:55,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:55,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:55,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:55,407 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:39:55,408 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 21 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 32 case distinctions, treesize of input 68 treesize of output 291 [2022-02-19 04:39:57,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:57,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:57,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:57,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:57,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:57,348 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 6 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 59 [2022-02-19 04:39:57,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:57,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:57,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:57,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:57,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:39:57,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:39:57,365 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 6 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 3 [2022-02-19 04:39:57,568 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:39:57,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731234953] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:39:57,569 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:39:57,569 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 33, 34] total 89 [2022-02-19 04:39:57,569 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824203895] [2022-02-19 04:39:57,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:39:57,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-02-19 04:39:57,570 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:39:57,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-02-19 04:39:57,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=898, Invalid=6934, Unknown=0, NotChecked=0, Total=7832 [2022-02-19 04:39:57,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:39:57,572 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:39:57,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 1.6292134831460674) internal successors, (145), 89 states have internal predecessors, (145), 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) [2022-02-19 04:39:57,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:39:57,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:39:57,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:39:57,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:39:57,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:39:57,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:39:57,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:39:57,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:39:57,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:39:57,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:40:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:40:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:40:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:40:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:40:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:40:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:40:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:40:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:40:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:40:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-02-19 04:40:26,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-19 04:40:26,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-19 04:40:26,950 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:40:26,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:40:26,950 INFO L85 PathProgramCache]: Analyzing trace with hash 673225406, now seen corresponding path program 7 times [2022-02-19 04:40:26,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:40:26,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308442494] [2022-02-19 04:40:26,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:40:26,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:40:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:40:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 176 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:40:27,168 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:40:27,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308442494] [2022-02-19 04:40:27,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308442494] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:40:27,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379187666] [2022-02-19 04:40:27,168 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 04:40:27,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:40:27,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:40:27,180 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) [2022-02-19 04:40:27,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-19 04:40:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:40:27,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-19 04:40:27,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:40:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 210 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:40:27,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:40:28,392 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 210 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:40:28,392 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379187666] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:40:28,392 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:40:28,393 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 65 [2022-02-19 04:40:28,393 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159391562] [2022-02-19 04:40:28,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:40:28,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-02-19 04:40:28,393 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:40:28,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-02-19 04:40:28,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=886, Invalid=3274, Unknown=0, NotChecked=0, Total=4160 [2022-02-19 04:40:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:40:28,395 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:40:28,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.0923076923076924) internal successors, (201), 65 states have internal predecessors, (201), 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) [2022-02-19 04:40:28,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:40:28,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:40:28,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:40:28,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:40:28,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:40:28,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:40:28,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:40:28,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:40:28,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:40:28,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2022-02-19 04:40:28,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:40:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:40:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:40:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:40:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:40:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:40:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:40:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:40:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:40:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:40:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-02-19 04:40:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-19 04:40:30,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-19 04:40:30,559 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,SelfDestructingSolverStorable10 [2022-02-19 04:40:30,560 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:40:30,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:40:30,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1057830718, now seen corresponding path program 8 times [2022-02-19 04:40:30,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:40:30,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250798870] [2022-02-19 04:40:30,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:40:30,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:40:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:40:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 252 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:40:30,905 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:40:30,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250798870] [2022-02-19 04:40:30,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250798870] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:40:30,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630727029] [2022-02-19 04:40:30,905 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:40:30,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:40:30,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:40:30,906 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) [2022-02-19 04:40:30,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-19 04:40:30,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:40:30,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:40:30,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-19 04:40:30,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:40:31,683 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 284 proven. 247 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-19 04:40:31,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:40:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 284 proven. 247 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-19 04:40:32,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630727029] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:40:32,240 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:40:32,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 30, 30] total 75 [2022-02-19 04:40:32,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211086075] [2022-02-19 04:40:32,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:40:32,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-02-19 04:40:32,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:40:32,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-02-19 04:40:32,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=892, Invalid=4658, Unknown=0, NotChecked=0, Total=5550 [2022-02-19 04:40:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:40:32,242 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:40:32,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 3.2) internal successors, (240), 75 states have internal predecessors, (240), 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) [2022-02-19 04:40:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:40:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:40:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:40:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:40:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:40:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:40:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:40:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:40:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:40:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2022-02-19 04:40:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-19 04:40:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:40:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:40:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:40:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:40:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:40:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:40:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:40:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:40:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:40:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:40:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-02-19 04:40:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-19 04:40:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-19 04:40:33,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-19 04:40:33,697 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,SelfDestructingSolverStorable11 [2022-02-19 04:40:33,697 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:40:33,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:40:33,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1258572251, now seen corresponding path program 9 times [2022-02-19 04:40:33,698 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:40:33,698 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786853047] [2022-02-19 04:40:33,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:40:33,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:40:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:40:34,093 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 252 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:40:34,093 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:40:34,093 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786853047] [2022-02-19 04:40:34,094 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786853047] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:40:34,094 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750837411] [2022-02-19 04:40:34,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:40:34,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:40:34,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:40:34,095 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) [2022-02-19 04:40:34,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-19 04:40:34,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2022-02-19 04:40:34,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:40:34,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-19 04:40:34,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:40:35,055 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 252 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:40:35,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:40:36,192 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 292 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:40:36,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750837411] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:40:36,192 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:40:36,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 95 [2022-02-19 04:40:36,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680357658] [2022-02-19 04:40:36,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:40:36,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-02-19 04:40:36,193 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:40:36,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-02-19 04:40:36,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1572, Invalid=7358, Unknown=0, NotChecked=0, Total=8930 [2022-02-19 04:40:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:40:36,195 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:40:36,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 3.094736842105263) internal successors, (294), 95 states have internal predecessors, (294), 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) [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-19 04:40:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:40:37,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:40:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:40:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:40:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:40:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:40:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:40:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:40:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:40:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:40:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-02-19 04:40:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-19 04:40:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-19 04:40:37,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-19 04:40:37,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-19 04:40:37,484 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,SelfDestructingSolverStorable12 [2022-02-19 04:40:37,484 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:40:37,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:40:37,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1211580155, now seen corresponding path program 10 times [2022-02-19 04:40:37,485 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:40:37,485 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281498926] [2022-02-19 04:40:37,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:40:37,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:40:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:40:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:40:43,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:40:43,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281498926] [2022-02-19 04:40:43,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281498926] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:40:43,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661232084] [2022-02-19 04:40:43,549 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:40:43,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:40:43,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:40:43,550 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) [2022-02-19 04:40:43,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-19 04:40:43,598 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:40:43,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:40:43,604 WARN L261 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 136 conjunts are in the unsatisfiable core [2022-02-19 04:40:43,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:40:56,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:40:56,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:40:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:40:56,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,225 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 120 disjoint index pairs (out of 171 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 323 treesize of output 217 [2022-02-19 04:40:56,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:40:56,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:40:56,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:40:56,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:40:56,232 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 7 [2022-02-19 04:40:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:40:56,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:41:08,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:08,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,297 WARN L228 SmtUtils]: Spent 25.49s on a formula simplification. DAG size of input: 1703 DAG size of output: 1219 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 04:41:34,300 INFO L353 Elim1Store]: treesize reduction 1969, result has 59.2 percent of original size [2022-02-19 04:41:34,301 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 91 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 405 case distinctions, treesize of input 321 treesize of output 3051 [2022-02-19 04:41:34,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:34,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:41:35,218 INFO L244 Elim1Store]: Index analysis took 561 ms [2022-02-19 04:41:55,143 WARN L228 SmtUtils]: Spent 19.92s on a formula simplification that was a NOOP. DAG size: 1219 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 04:41:55,144 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:41:55,144 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 212 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 284 case distinctions, treesize of input 195 treesize of output 3470 Received shutdown request... [2022-02-19 04:52:50,009 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 [2022-02-19 04:52:50,010 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 04:52:50,013 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 04:52:50,014 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-19 04:52:50,028 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 [2022-02-19 04:52:50,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-19 04:52:50,215 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,SelfDestructingSolverStorable13 [2022-02-19 04:52:50,215 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 38ms.. [2022-02-19 04:52:50,216 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 04:52:50,217 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 04:52:50,217 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 04:52:50,220 INFO L732 BasicCegarLoop]: Path program histogram: [10, 2, 1, 1] [2022-02-19 04:52:50,222 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 04:52:50,222 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 04:52:50,223 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:52:50 BasicIcfg [2022-02-19 04:52:50,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 04:52:50,224 INFO L158 Benchmark]: Toolchain (without parser) took 845959.10ms. Allocated memory was 175.1MB in the beginning and 722.5MB in the end (delta: 547.4MB). Free memory was 139.3MB in the beginning and 332.7MB in the end (delta: -193.4MB). Peak memory consumption was 467.7MB. Max. memory is 8.0GB. [2022-02-19 04:52:50,224 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 04:52:50,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.84ms. Allocated memory is still 175.1MB. Free memory was 139.2MB in the beginning and 137.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 04:52:50,224 INFO L158 Benchmark]: Boogie Preprocessor took 11.95ms. Allocated memory is still 175.1MB. Free memory was 137.7MB in the beginning and 136.7MB in the end (delta: 982.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 04:52:50,224 INFO L158 Benchmark]: RCFGBuilder took 220.41ms. Allocated memory is still 175.1MB. Free memory was 136.6MB in the beginning and 127.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-19 04:52:50,224 INFO L158 Benchmark]: TraceAbstraction took 845667.46ms. Allocated memory was 175.1MB in the beginning and 722.5MB in the end (delta: 547.4MB). Free memory was 127.1MB in the beginning and 332.7MB in the end (delta: -205.6MB). Peak memory consumption was 455.1MB. Max. memory is 8.0GB. [2022-02-19 04:52:50,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.84ms. Allocated memory is still 175.1MB. Free memory was 139.2MB in the beginning and 137.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.95ms. Allocated memory is still 175.1MB. Free memory was 137.7MB in the beginning and 136.7MB in the end (delta: 982.8kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 220.41ms. Allocated memory is still 175.1MB. Free memory was 136.6MB in the beginning and 127.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 845667.46ms. Allocated memory was 175.1MB in the beginning and 722.5MB in the end (delta: 547.4MB). Free memory was 127.1MB in the beginning and 332.7MB in the end (delta: -205.6MB). Peak memory consumption was 455.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5973, positive: 4882, positive conditional: 4509, positive unconditional: 373, negative: 1091, negative conditional: 1091, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4882, positive: 4882, positive conditional: 4509, positive unconditional: 373, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4882, positive: 4882, positive conditional: 4509, positive unconditional: 373, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4882, positive: 4882, positive conditional: 4371, positive unconditional: 511, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4882, positive: 4882, positive conditional: 4207, positive unconditional: 675, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4882, positive: 4882, positive conditional: 4207, positive unconditional: 675, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 349, positive: 349, positive conditional: 0, positive unconditional: 349, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 349, positive: 346, positive conditional: 0, positive unconditional: 346, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4882, positive: 4533, positive conditional: 4207, positive unconditional: 326, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 349, unknown conditional: 0, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 349, Positive conditional cache size: 0, Positive unconditional cache size: 349, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 164, Maximal queried relation: 0, Independence queries for same thread: 1091 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 24, Number of trivial persistent sets: 12, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 373, positive: 373, positive conditional: 0, positive unconditional: 373, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5973, positive: 4882, positive conditional: 4509, positive unconditional: 373, negative: 1091, negative conditional: 1091, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4882, positive: 4882, positive conditional: 4509, positive unconditional: 373, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4882, positive: 4882, positive conditional: 4509, positive unconditional: 373, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4882, positive: 4882, positive conditional: 4371, positive unconditional: 511, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4882, positive: 4882, positive conditional: 4207, positive unconditional: 675, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4882, positive: 4882, positive conditional: 4207, positive unconditional: 675, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 349, positive: 349, positive conditional: 0, positive unconditional: 349, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 349, positive: 346, positive conditional: 0, positive unconditional: 346, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4882, positive: 4533, positive conditional: 4207, positive unconditional: 326, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 349, unknown conditional: 0, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 349, Positive conditional cache size: 0, Positive unconditional cache size: 349, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 164, Maximal queried relation: 0, Independence queries for same thread: 1091 - 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: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 38ms.. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 38ms.. - 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 115 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 38ms.. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 38ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 845.6s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 41.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 546, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 68.5s InterpolantComputationTime, 1227 NumberOfCodeBlocks, 1227 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 1786 ConstructedInterpolants, 16 QuantifiedInterpolants, 31545 SizeOfPredicates, 109 NumberOfNonLiveVariables, 1166 ConjunctsInSsa, 280 ConjunctsInUnsatCore, 35 InterpolantComputations, 2 PerfectInterpolantSequences, 2355/4915 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