/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-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 06:04:44,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 06:04:44,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 06:04:44,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-16 06:04:44,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 06:04:44,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 06:04:44,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 06:04:44,519 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-MCRwithDepranks.epf [2022-02-16 06:04:44,544 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 06:04:44,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 06:04:44,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 06:04:44,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 06:04:44,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 06:04:44,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 06:04:44,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 06:04:44,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 06:04:44,546 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 06:04:44,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 06:04:44,546 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 06:04:44,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 06:04:44,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 06:04:44,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 06:04:44,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 06:04:44,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 06:04:44,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 06:04:44,554 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 06:04:44,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 06:04:44,555 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 06:04:44,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 06:04:44,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 06:04:44,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 06:04:44,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 06:04:44,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 06:04:44,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 06:04:44,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 06:04:44,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 06:04:44,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 06:04:44,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 06:04:44,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 06:04:44,557 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 06:04:44,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 06:04:44,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 06:04:44,557 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 06:04:44,558 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 06:04:44,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 06:04:44,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 06:04:44,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 06:04:44,784 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-16 06:04:44,787 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-16 06:04:44,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2022-02-16 06:04:44,789 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2022-02-16 06:04:44,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 06:04:44,817 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-16 06:04:44,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 06:04:44,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 06:04:44,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 06:04:44,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:04:44" (1/1) ... [2022-02-16 06:04:44,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:04:44" (1/1) ... [2022-02-16 06:04:44,839 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-16 06:04:44,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 06:04:44,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 06:04:44,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 06:04:44,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 06:04:44,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:04:44" (1/1) ... [2022-02-16 06:04:44,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:04:44" (1/1) ... [2022-02-16 06:04:44,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:04:44" (1/1) ... [2022-02-16 06:04:44,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:04:44" (1/1) ... [2022-02-16 06:04:44,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:04:44" (1/1) ... [2022-02-16 06:04:44,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:04:44" (1/1) ... [2022-02-16 06:04:44,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:04:44" (1/1) ... [2022-02-16 06:04:44,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 06:04:44,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 06:04:44,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 06:04:44,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 06:04:44,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:04:44" (1/1) ... [2022-02-16 06:04:44,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 06:04:44,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:04:44,904 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) [2022-02-16 06:04:44,912 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 [2022-02-16 06:04:44,942 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-16 06:04:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 06:04:44,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 06:04:44,942 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-16 06:04:44,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 06:04:44,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 06:04:44,944 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-16 06:04:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 06:04:44,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 06:04:44,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-16 06:04:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-16 06:04:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-16 06:04:44,946 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 06:04:45,000 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 06:04:45,002 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 06:04:45,094 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 06:04:45,128 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 06:04:45,128 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 06:04:45,130 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 06:04:45 BoogieIcfgContainer [2022-02-16 06:04:45,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 06:04:45,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 06:04:45,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 06:04:45,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 06:04:45,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:04:44" (1/2) ... [2022-02-16 06:04:45,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d62f31 and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 06:04:45, skipping insertion in model container [2022-02-16 06:04:45,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 06:04:45" (2/2) ... [2022-02-16 06:04:45,138 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2022-02-16 06:04:45,142 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 06:04:45,142 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 06:04:45,142 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 06:04:45,142 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 06:04:45,182 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-16 06:04:45,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 06:04:45,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:04:45,239 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) [2022-02-16 06:04:45,292 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 [2022-02-16 06:04:45,310 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 06:04:45,322 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=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 06:04:45,322 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-16 06:04:45,337 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 33 transitions, 90 flow [2022-02-16 06:04:45,454 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 346 states, 345 states have (on average 2.944927536231884) internal successors, (1016), 345 states have internal predecessors, (1016), 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) [2022-02-16 06:04:45,595 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1775 transitions and produced 1323 states. [2022-02-16 06:04:45,598 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:04:45,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:04:45,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1097381623, now seen corresponding path program 1 times [2022-02-16 06:04:45,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:04:45,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740130951] [2022-02-16 06:04:45,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:04:45,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:04:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:04:54,320 INFO L134 CoverageAnalysis]: Checked inductivity of 11733 backedges. 0 proven. 10769 refuted. 0 times theorem prover too weak. 964 trivial. 0 not checked. [2022-02-16 06:04:54,321 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:04:54,321 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740130951] [2022-02-16 06:04:54,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740130951] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:04:54,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045300789] [2022-02-16 06:04:54,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:04:54,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:04:54,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:04:54,324 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) [2022-02-16 06:04:54,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 06:04:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:04:54,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 81 conjunts are in the unsatisfiable core [2022-02-16 06:04:54,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:05:01,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:01,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:01,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:01,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:01,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:01,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:01,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:01,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:01,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:05:02,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:02,048 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 37 [2022-02-16 06:05:02,855 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 11 treesize of output 7 [2022-02-16 06:05:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 11733 backedges. 2 proven. 10765 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-02-16 06:05:02,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:05:03,669 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 06:05:03,670 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 16 treesize of output 20 [2022-02-16 06:05:10,488 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-02-16 06:05:10,489 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 393 treesize of output 385 [2022-02-16 06:05:10,505 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 61 treesize of output 59 [2022-02-16 06:05:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 11733 backedges. 10 proven. 10757 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-02-16 06:05:15,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045300789] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:05:15,890 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:05:15,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 46, 46] total 96 [2022-02-16 06:05:15,893 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754470645] [2022-02-16 06:05:15,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:05:15,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-02-16 06:05:15,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:05:15,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-02-16 06:05:15,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=8953, Unknown=0, NotChecked=0, Total=9312 [2022-02-16 06:05:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:05:15,934 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:05:15,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 3.7731958762886597) internal successors, (366), 96 states have internal predecessors, (366), 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) [2022-02-16 06:05:15,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:05:20,660 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1816 transitions and produced 1422 states. [2022-02-16 06:05:20,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:05:20,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-16 06:05:20,879 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,SelfDestructingSolverStorable0 [2022-02-16 06:05:20,880 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:05:20,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:05:20,881 INFO L85 PathProgramCache]: Analyzing trace with hash 122104408, now seen corresponding path program 2 times [2022-02-16 06:05:20,881 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:05:20,881 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138175647] [2022-02-16 06:05:20,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:05:20,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:05:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:05:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 15677 backedges. 0 proven. 14334 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2022-02-16 06:05:26,221 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:05:26,221 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138175647] [2022-02-16 06:05:26,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138175647] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:05:26,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472550970] [2022-02-16 06:05:26,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 06:05:26,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:05:26,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:05:26,228 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) [2022-02-16 06:05:26,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 06:05:26,517 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 06:05:26,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 06:05:26,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 81 conjunts are in the unsatisfiable core [2022-02-16 06:05:26,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:05:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:05:32,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:05:32,472 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 37 [2022-02-16 06:05:33,213 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 11 treesize of output 7 [2022-02-16 06:05:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 15677 backedges. 2 proven. 14316 refuted. 0 times theorem prover too weak. 1359 trivial. 0 not checked. [2022-02-16 06:05:33,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:05:33,960 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 06:05:33,960 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 16 treesize of output 20 [2022-02-16 06:05:39,076 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 63 treesize of output 61 [2022-02-16 06:05:39,322 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-02-16 06:05:39,323 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 484 treesize of output 432 [2022-02-16 06:05:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 15677 backedges. 16 proven. 14302 refuted. 0 times theorem prover too weak. 1359 trivial. 0 not checked. [2022-02-16 06:05:48,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472550970] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:05:48,626 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:05:48,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 95 [2022-02-16 06:05:48,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453610211] [2022-02-16 06:05:48,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:05:48,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-02-16 06:05:48,628 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:05:48,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-02-16 06:05:48,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=8748, Unknown=0, NotChecked=0, Total=9120 [2022-02-16 06:05:48,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:05:48,632 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:05:48,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 3.7916666666666665) internal successors, (364), 95 states have internal predecessors, (364), 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) [2022-02-16 06:05:48,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:05:48,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:05:52,598 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1868 transitions and produced 1461 states. [2022-02-16 06:05:52,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:05:52,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:05:52,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-16 06:05:52,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:05:52,813 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:05:52,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:05:52,814 INFO L85 PathProgramCache]: Analyzing trace with hash 393589755, now seen corresponding path program 3 times [2022-02-16 06:05:52,814 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:05:52,814 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138682805] [2022-02-16 06:05:52,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:05:52,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:05:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:06:00,501 INFO L134 CoverageAnalysis]: Checked inductivity of 16513 backedges. 0 proven. 15063 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2022-02-16 06:06:00,502 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:06:00,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138682805] [2022-02-16 06:06:00,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138682805] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:06:00,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015532263] [2022-02-16 06:06:00,502 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 06:06:00,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:06:00,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:06:00,504 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) [2022-02-16 06:06:00,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 06:06:01,452 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 67 check-sat command(s) [2022-02-16 06:06:01,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 06:06:01,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 161 conjunts are in the unsatisfiable core [2022-02-16 06:06:01,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:06:07,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:06:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:07,507 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 37 [2022-02-16 06:06:13,260 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 11 treesize of output 7 [2022-02-16 06:06:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 16513 backedges. 2 proven. 16396 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-02-16 06:06:13,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:06:14,035 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 06:06:14,035 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 15 treesize of output 19 [2022-02-16 06:06:19,150 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-02-16 06:06:19,150 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 410 treesize of output 394 [2022-02-16 06:06:19,160 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 61 treesize of output 59 [2022-02-16 06:06:30,825 INFO L134 CoverageAnalysis]: Checked inductivity of 16513 backedges. 30 proven. 15015 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2022-02-16 06:06:30,826 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015532263] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:06:30,826 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:06:30,826 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 85, 46] total 141 [2022-02-16 06:06:30,827 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259600384] [2022-02-16 06:06:30,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:06:30,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2022-02-16 06:06:30,828 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:06:30,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2022-02-16 06:06:30,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=536, Invalid=19486, Unknown=0, NotChecked=0, Total=20022 [2022-02-16 06:06:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:06:30,834 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:06:30,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 4.753521126760563) internal successors, (675), 141 states have internal predecessors, (675), 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) [2022-02-16 06:06:30,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:06:30,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:06:30,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:06:35,539 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1920 transitions and produced 1497 states. [2022-02-16 06:06:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:06:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:06:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:06:35,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 06:06:35,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:06:35,741 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:06:35,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:06:35,742 INFO L85 PathProgramCache]: Analyzing trace with hash 518815728, now seen corresponding path program 4 times [2022-02-16 06:06:35,742 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:06:35,742 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437427401] [2022-02-16 06:06:35,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:06:35,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:06:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:06:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 17372 backedges. 0 proven. 15802 refuted. 0 times theorem prover too weak. 1570 trivial. 0 not checked. [2022-02-16 06:06:39,096 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:06:39,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437427401] [2022-02-16 06:06:39,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437427401] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:06:39,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790662103] [2022-02-16 06:06:39,097 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 06:06:39,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:06:39,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:06:39,098 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) [2022-02-16 06:06:39,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 06:06:39,327 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 06:06:39,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 06:06:39,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 81 conjunts are in the unsatisfiable core [2022-02-16 06:06:39,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:06:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:06:45,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:06:45,189 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 37 [2022-02-16 06:06:45,974 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 11 treesize of output 7 [2022-02-16 06:06:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 17372 backedges. 2 proven. 15780 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2022-02-16 06:06:45,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:06:46,698 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 06:06:46,698 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 16 treesize of output 20 [2022-02-16 06:06:51,035 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 63 treesize of output 61 [2022-02-16 06:06:51,281 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-02-16 06:06:51,282 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 508 treesize of output 446 [2022-02-16 06:07:05,144 INFO L134 CoverageAnalysis]: Checked inductivity of 17372 backedges. 52 proven. 15730 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2022-02-16 06:07:05,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790662103] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:07:05,144 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:07:05,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 46, 46] total 93 [2022-02-16 06:07:05,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696889220] [2022-02-16 06:07:05,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:07:05,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-02-16 06:07:05,146 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:07:05,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-02-16 06:07:05,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=8315, Unknown=0, NotChecked=0, Total=8742 [2022-02-16 06:07:05,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:07:05,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:07:05,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 3.851063829787234) internal successors, (362), 93 states have internal predecessors, (362), 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) [2022-02-16 06:07:05,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:07:05,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:07:05,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:07:05,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:07:08,491 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1972 transitions and produced 1533 states. [2022-02-16 06:07:08,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:07:08,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:07:08,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:07:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:07:08,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 06:07:08,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:07:08,713 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:07:08,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:07:08,713 INFO L85 PathProgramCache]: Analyzing trace with hash 725637219, now seen corresponding path program 5 times [2022-02-16 06:07:08,714 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:07:08,714 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736758880] [2022-02-16 06:07:08,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:07:08,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:07:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:07:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 18254 backedges. 0 proven. 16551 refuted. 0 times theorem prover too weak. 1703 trivial. 0 not checked. [2022-02-16 06:07:13,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:07:13,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736758880] [2022-02-16 06:07:13,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736758880] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:07:13,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964735311] [2022-02-16 06:07:13,266 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-16 06:07:13,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:07:13,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:07:13,270 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) [2022-02-16 06:07:13,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-16 06:07:16,394 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 76 check-sat command(s) [2022-02-16 06:07:16,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 06:07:16,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 86 conjunts are in the unsatisfiable core [2022-02-16 06:07:16,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:07:22,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:07:22,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:22,478 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 37 [2022-02-16 06:07:23,452 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 11 treesize of output 7 [2022-02-16 06:07:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 18254 backedges. 1 proven. 16561 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2022-02-16 06:07:23,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:07:24,389 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 06:07:24,389 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 16 treesize of output 20 [2022-02-16 06:07:29,673 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 63 treesize of output 61 [2022-02-16 06:07:29,926 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-02-16 06:07:29,927 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 256 treesize of output 314 [2022-02-16 06:07:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 18254 backedges. 115 proven. 16447 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2022-02-16 06:07:40,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964735311] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:07:40,266 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:07:40,267 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 120 [2022-02-16 06:07:40,267 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958685557] [2022-02-16 06:07:40,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:07:40,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2022-02-16 06:07:40,268 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:07:40,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2022-02-16 06:07:40,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=13969, Unknown=0, NotChecked=0, Total=14520 [2022-02-16 06:07:40,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:07:40,272 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:07:40,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 3.669421487603306) internal successors, (444), 120 states have internal predecessors, (444), 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) [2022-02-16 06:07:40,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:07:40,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:07:40,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:07:40,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:07:40,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:07:45,641 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2013 transitions and produced 1560 states. [2022-02-16 06:07:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:07:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:07:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:07:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:07:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 06:07:45,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-16 06:07:45,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:07:45,843 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:07:45,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:07:45,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1673023402, now seen corresponding path program 6 times [2022-02-16 06:07:45,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:07:45,844 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208715545] [2022-02-16 06:07:45,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:07:45,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:07:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:07:49,096 INFO L134 CoverageAnalysis]: Checked inductivity of 18944 backedges. 0 proven. 17207 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2022-02-16 06:07:49,096 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:07:49,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208715545] [2022-02-16 06:07:49,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208715545] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:07:49,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907850949] [2022-02-16 06:07:49,096 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-16 06:07:49,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:07:49,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:07:49,099 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) [2022-02-16 06:07:49,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-16 06:07:50,396 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 79 check-sat command(s) [2022-02-16 06:07:50,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 06:07:50,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 163 conjunts are in the unsatisfiable core [2022-02-16 06:07:50,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:07:56,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:07:56,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:07:56,662 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 37 [2022-02-16 06:07:57,475 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 11 treesize of output 7 [2022-02-16 06:07:57,498 INFO L134 CoverageAnalysis]: Checked inductivity of 18944 backedges. 0 proven. 17207 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2022-02-16 06:07:57,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:07:58,327 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 06:07:58,328 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 16 treesize of output 20 [2022-02-16 06:08:02,218 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 63 treesize of output 61 [2022-02-16 06:08:02,459 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-02-16 06:08:02,460 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 422 treesize of output 400 [2022-02-16 06:08:20,316 INFO L134 CoverageAnalysis]: Checked inductivity of 18944 backedges. 100 proven. 17107 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2022-02-16 06:08:20,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907850949] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:08:20,317 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:08:20,317 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 47, 47] total 93 [2022-02-16 06:08:20,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675901379] [2022-02-16 06:08:20,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:08:20,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-02-16 06:08:20,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:08:20,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-02-16 06:08:20,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=8305, Unknown=0, NotChecked=0, Total=8742 [2022-02-16 06:08:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:08:20,319 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:08:20,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 3.9680851063829787) internal successors, (373), 93 states have internal predecessors, (373), 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) [2022-02-16 06:08:20,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:08:20,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:08:20,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:08:20,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:08:20,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-16 06:08:20,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:08:24,371 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2302 transitions and produced 1720 states. [2022-02-16 06:08:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:08:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:08:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:08:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:08:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 06:08:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-16 06:08:24,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-16 06:08:24,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:08:24,572 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:08:24,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:08:24,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1526126821, now seen corresponding path program 7 times [2022-02-16 06:08:24,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:08:24,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912555119] [2022-02-16 06:08:24,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:08:24,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:08:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:08:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 22904 backedges. 0 proven. 21870 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2022-02-16 06:08:30,045 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:08:30,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912555119] [2022-02-16 06:08:30,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912555119] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:08:30,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979869591] [2022-02-16 06:08:30,045 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-16 06:08:30,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:08:30,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:08:30,047 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) [2022-02-16 06:08:30,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-16 06:08:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:08:30,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 1297 conjuncts, 123 conjunts are in the unsatisfiable core [2022-02-16 06:08:30,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:08:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:08:46,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:08:46,757 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 55 [2022-02-16 06:08:47,610 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 11 treesize of output 7 [2022-02-16 06:08:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 22904 backedges. 2 proven. 21866 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2022-02-16 06:08:47,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:08:48,441 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 06:08:48,441 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 16 treesize of output 20 [2022-02-16 06:09:02,984 INFO L353 Elim1Store]: treesize reduction 1590, result has 10.1 percent of original size [2022-02-16 06:09:02,984 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 850 treesize of output 696 [2022-02-16 06:09:03,000 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 61 treesize of output 59 [2022-02-16 06:10:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 22904 backedges. 126 proven. 21742 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2022-02-16 06:10:07,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979869591] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:10:07,859 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:10:07,859 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 70, 70] total 142 [2022-02-16 06:10:07,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583280024] [2022-02-16 06:10:07,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:10:07,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2022-02-16 06:10:07,860 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:10:07,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2022-02-16 06:10:07,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=728, Invalid=19578, Unknown=0, NotChecked=0, Total=20306 [2022-02-16 06:10:07,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:10:07,862 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:10:07,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 3.888111888111888) internal successors, (556), 142 states have internal predecessors, (556), 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) [2022-02-16 06:10:07,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:10:07,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:10:07,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:10:07,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:10:07,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-16 06:10:07,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-16 06:10:07,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:10:15,204 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2518 transitions and produced 1891 states. [2022-02-16 06:10:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:10:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:10:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:10:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:10:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 06:10:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-16 06:10:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-16 06:10:15,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-16 06:10:15,406 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,SelfDestructingSolverStorable6 [2022-02-16 06:10:15,406 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:10:15,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:10:15,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1488537836, now seen corresponding path program 8 times [2022-02-16 06:10:15,407 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:10:15,407 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749810186] [2022-02-16 06:10:15,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:10:15,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:10:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:10:21,537 INFO L134 CoverageAnalysis]: Checked inductivity of 28284 backedges. 0 proven. 26871 refuted. 0 times theorem prover too weak. 1413 trivial. 0 not checked. [2022-02-16 06:10:21,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:10:21,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749810186] [2022-02-16 06:10:21,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749810186] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:10:21,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940452962] [2022-02-16 06:10:21,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 06:10:21,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:10:21,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:10:21,539 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) [2022-02-16 06:10:21,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-16 06:10:21,795 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 06:10:21,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 06:10:21,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 123 conjunts are in the unsatisfiable core [2022-02-16 06:10:21,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:10:37,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:37,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:10:38,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:10:38,070 INFO L244 Elim1Store]: Index analysis took 106 ms [2022-02-16 06:10:38,071 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 55 [2022-02-16 06:10:39,042 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 11 treesize of output 7 [2022-02-16 06:10:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 28284 backedges. 2 proven. 26853 refuted. 0 times theorem prover too weak. 1429 trivial. 0 not checked. [2022-02-16 06:10:39,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:10:39,994 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 06:10:39,995 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 16 treesize of output 20 [2022-02-16 06:10:51,775 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 63 treesize of output 61 [2022-02-16 06:10:52,626 INFO L353 Elim1Store]: treesize reduction 1590, result has 10.1 percent of original size [2022-02-16 06:10:52,628 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 774 treesize of output 656 [2022-02-16 06:11:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 28284 backedges. 172 proven. 26683 refuted. 0 times theorem prover too weak. 1429 trivial. 0 not checked. [2022-02-16 06:11:52,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940452962] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:11:52,888 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:11:52,889 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 70, 70] total 141 [2022-02-16 06:11:52,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523608588] [2022-02-16 06:11:52,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:11:52,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2022-02-16 06:11:52,890 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:11:52,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2022-02-16 06:11:52,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=797, Invalid=19225, Unknown=0, NotChecked=0, Total=20022 [2022-02-16 06:11:52,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:11:52,892 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:11:52,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 3.9014084507042255) internal successors, (554), 141 states have internal predecessors, (554), 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) [2022-02-16 06:11:52,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:11:52,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:11:52,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:11:52,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:11:52,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-16 06:11:52,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-16 06:11:52,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-16 06:11:52,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:11:59,715 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2570 transitions and produced 1927 states. [2022-02-16 06:11:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:11:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:11:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:11:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:11:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 06:11:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-16 06:11:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-16 06:11:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 06:11:59,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-16 06:11:59,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:11:59,916 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:11:59,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:11:59,917 INFO L85 PathProgramCache]: Analyzing trace with hash -984954337, now seen corresponding path program 9 times [2022-02-16 06:11:59,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:11:59,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705156698] [2022-02-16 06:11:59,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:11:59,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:12:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:12:05,520 INFO L134 CoverageAnalysis]: Checked inductivity of 29396 backedges. 0 proven. 27876 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2022-02-16 06:12:05,520 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:12:05,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705156698] [2022-02-16 06:12:05,520 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705156698] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:12:05,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354072765] [2022-02-16 06:12:05,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 06:12:05,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:12:05,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:12:05,522 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) [2022-02-16 06:12:05,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-16 06:12:07,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 99 check-sat command(s) [2022-02-16 06:12:07,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 06:12:07,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 327 conjunts are in the unsatisfiable core [2022-02-16 06:12:07,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:12:23,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:12:23,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:12:23,748 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 55 [2022-02-16 06:12:34,515 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 11 treesize of output 7 [2022-02-16 06:12:34,561 INFO L134 CoverageAnalysis]: Checked inductivity of 29396 backedges. 1 proven. 29264 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-02-16 06:12:34,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:12:35,490 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 06:12:35,491 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 15 treesize of output 19 [2022-02-16 06:12:49,724 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 63 treesize of output 61 [2022-02-16 06:12:50,517 INFO L353 Elim1Store]: treesize reduction 1590, result has 10.1 percent of original size [2022-02-16 06:12:50,518 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 817 treesize of output 679 [2022-02-16 06:13:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 29396 backedges. 226 proven. 27632 refuted. 0 times theorem prover too weak. 1538 trivial. 0 not checked. [2022-02-16 06:13:41,839 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354072765] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:13:41,839 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:13:41,839 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 121, 70] total 205 [2022-02-16 06:13:41,839 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918115250] [2022-02-16 06:13:41,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:13:41,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 206 states [2022-02-16 06:13:41,840 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:13:41,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2022-02-16 06:13:41,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1010, Invalid=41220, Unknown=0, NotChecked=0, Total=42230 [2022-02-16 06:13:41,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:13:41,845 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:13:41,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 206 states, 206 states have (on average 4.747572815533981) internal successors, (978), 205 states have internal predecessors, (978), 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) [2022-02-16 06:13:41,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:13:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:13:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:13:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:13:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-16 06:13:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-16 06:13:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-16 06:13:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-16 06:13:41,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:13:49,080 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2611 transitions and produced 1950 states. [2022-02-16 06:13:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:13:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:13:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:13:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:13:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 06:13:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-16 06:13:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-16 06:13:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 06:13:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-16 06:13:49,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-16 06:13:49,282 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,SelfDestructingSolverStorable8 [2022-02-16 06:13:49,283 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:13:49,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:13:49,283 INFO L85 PathProgramCache]: Analyzing trace with hash -705600562, now seen corresponding path program 10 times [2022-02-16 06:13:49,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:13:49,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87579112] [2022-02-16 06:13:49,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:13:49,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:13:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:14:02,781 INFO L134 CoverageAnalysis]: Checked inductivity of 30266 backedges. 0 proven. 28627 refuted. 0 times theorem prover too weak. 1639 trivial. 0 not checked. [2022-02-16 06:14:02,781 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:14:02,781 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87579112] [2022-02-16 06:14:02,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87579112] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:14:02,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217104818] [2022-02-16 06:14:02,782 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 06:14:02,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:14:02,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:14:02,783 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) [2022-02-16 06:14:02,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-16 06:14:03,080 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 06:14:03,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 06:14:03,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 123 conjunts are in the unsatisfiable core [2022-02-16 06:14:03,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:14:19,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:14:19,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:14:19,477 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 55 [2022-02-16 06:14:20,543 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 11 treesize of output 7 [2022-02-16 06:14:20,562 INFO L134 CoverageAnalysis]: Checked inductivity of 30266 backedges. 0 proven. 28607 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2022-02-16 06:14:20,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:14:21,496 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 06:14:21,496 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 16 treesize of output 20 [2022-02-16 06:14:33,950 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 63 treesize of output 61 [2022-02-16 06:14:34,809 INFO L353 Elim1Store]: treesize reduction 1590, result has 10.1 percent of original size [2022-02-16 06:14:34,810 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 863 treesize of output 701 [2022-02-16 06:15:27,781 INFO L134 CoverageAnalysis]: Checked inductivity of 30266 backedges. 256 proven. 28351 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2022-02-16 06:15:27,782 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217104818] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:15:27,782 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:15:27,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 70, 70] total 140 [2022-02-16 06:15:27,782 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937041591] [2022-02-16 06:15:27,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:15:27,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2022-02-16 06:15:27,783 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:15:27,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2022-02-16 06:15:27,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=824, Invalid=18916, Unknown=0, NotChecked=0, Total=19740 [2022-02-16 06:15:27,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:15:27,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:15:27,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 3.978723404255319) internal successors, (561), 140 states have internal predecessors, (561), 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) [2022-02-16 06:15:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:15:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:15:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:15:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:15:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-16 06:15:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-16 06:15:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-16 06:15:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-16 06:15:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-16 06:15:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:15:32,923 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2652 transitions and produced 1979 states. [2022-02-16 06:15:32,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 06:15:32,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 06:15:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 06:15:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 06:15:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 06:15:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-16 06:15:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-16 06:15:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 06:15:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-16 06:15:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-16 06:15:32,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-16 06:15:33,127 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,SelfDestructingSolverStorable9 [2022-02-16 06:15:33,128 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:15:33,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:15:33,128 INFO L85 PathProgramCache]: Analyzing trace with hash -764178877, now seen corresponding path program 11 times [2022-02-16 06:15:33,128 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:15:33,128 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088257880] [2022-02-16 06:15:33,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:15:33,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:15:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:15:39,101 INFO L134 CoverageAnalysis]: Checked inductivity of 31149 backedges. 0 proven. 29378 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2022-02-16 06:15:39,101 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:15:39,101 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088257880] [2022-02-16 06:15:39,101 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088257880] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:15:39,101 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57112231] [2022-02-16 06:15:39,101 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-16 06:15:39,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:15:39,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:15:39,103 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) [2022-02-16 06:15:39,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-16 06:15:41,188 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 101 check-sat command(s) [2022-02-16 06:15:41,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 06:15:41,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 184 conjunts are in the unsatisfiable core [2022-02-16 06:15:41,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:16:12,111 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 21 treesize of output 17 [2022-02-16 06:16:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:16:12,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:16:12,258 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 06:16:12,258 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 136 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 18 case distinctions, treesize of input 150 treesize of output 278 [2022-02-16 06:16:30,209 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 11 treesize of output 7 [2022-02-16 06:16:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 31149 backedges. 0 proven. 30296 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2022-02-16 06:16:30,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:16:31,202 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 06:16:31,203 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 16 treesize of output 20 [2022-02-16 06:16:45,885 INFO L353 Elim1Store]: treesize reduction 1590, result has 10.1 percent of original size [2022-02-16 06:16:45,885 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 1003 treesize of output 773 [2022-02-16 06:16:45,901 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 61 treesize of output 59 Received shutdown request... [2022-02-16 06:17:11,976 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 06:17:11,976 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 [2022-02-16 06:17:11,985 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 [2022-02-16 06:17:11,992 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-16 06:17:11,994 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-16 06:17:12,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-16 06:17:12,196 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,SelfDestructingSolverStorable10 [2022-02-16 06:17:12,196 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 725 with TraceHistMax 134,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 16ms.. [2022-02-16 06:17:12,197 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-16 06:17:12,197 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-16 06:17:12,197 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-16 06:17:12,202 INFO L732 BasicCegarLoop]: Path program histogram: [11] [2022-02-16 06:17:12,203 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 06:17:12,203 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 06:17:12,205 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 06:17:12 BasicIcfg [2022-02-16 06:17:12,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 06:17:12,206 INFO L158 Benchmark]: Toolchain (without parser) took 747388.97ms. Allocated memory was 164.6MB in the beginning and 1.1GB in the end (delta: 904.9MB). Free memory was 129.2MB in the beginning and 238.7MB in the end (delta: -109.5MB). Peak memory consumption was 841.7MB. Max. memory is 8.0GB. [2022-02-16 06:17:12,206 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 164.6MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 06:17:12,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.73ms. Allocated memory is still 164.6MB. Free memory was 129.0MB in the beginning and 127.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 06:17:12,206 INFO L158 Benchmark]: Boogie Preprocessor took 26.66ms. Allocated memory is still 164.6MB. Free memory was 127.5MB in the beginning and 126.6MB in the end (delta: 957.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 06:17:12,206 INFO L158 Benchmark]: RCFGBuilder took 261.15ms. Allocated memory is still 164.6MB. Free memory was 126.4MB in the beginning and 115.5MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-16 06:17:12,207 INFO L158 Benchmark]: TraceAbstraction took 747073.49ms. Allocated memory was 164.6MB in the beginning and 1.1GB in the end (delta: 904.9MB). Free memory was 115.1MB in the beginning and 238.7MB in the end (delta: -123.6MB). Peak memory consumption was 828.0MB. Max. memory is 8.0GB. [2022-02-16 06:17:12,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 164.6MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.73ms. Allocated memory is still 164.6MB. Free memory was 129.0MB in the beginning and 127.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.66ms. Allocated memory is still 164.6MB. Free memory was 127.5MB in the beginning and 126.6MB in the end (delta: 957.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 261.15ms. Allocated memory is still 164.6MB. Free memory was 126.4MB in the beginning and 115.5MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 747073.49ms. Allocated memory was 164.6MB in the beginning and 1.1GB in the end (delta: 904.9MB). Free memory was 115.1MB in the beginning and 238.7MB in the end (delta: -123.6MB). Peak memory consumption was 828.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 102]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 725 with TraceHistMax 134,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 16ms.. - TimeoutResultAtElement [Line: 95]: 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 725 with TraceHistMax 134,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 16ms.. - TimeoutResultAtElement [Line: 95]: 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 725 with TraceHistMax 134,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 16ms.. - TimeoutResultAtElement [Line: 96]: 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 725 with TraceHistMax 134,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 16ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 747.0s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 52.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=346occurred in iteration=0, InterpolantAutomatonStates: 508, 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: 0.7s SsaConstructionTime, 48.1s SatisfiabilityAnalysisTime, 543.2s InterpolantComputationTime, 11750 NumberOfCodeBlocks, 11750 NumberOfCodeBlocksAsserted, 339 NumberOfCheckSat, 17595 ConstructedInterpolants, 903 QuantifiedInterpolants, 372381 SizeOfPredicates, 136 NumberOfNonLiveVariables, 11905 ConjunctsInSsa, 1349 ConjunctsInUnsatCore, 30 InterpolantComputations, 0 PerfectInterpolantSequences, 41678/628029 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