/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 01:48:48,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 01:48:48,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 01:48:48,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 01:48:48,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-08-22 01:48:48,540 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 01:48:48,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 01:48:48,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 01:48:48,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 01:48:48,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 01:48:48,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 01:48:48,543 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 01:48:48,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 01:48:48,544 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 01:48:48,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 01:48:48,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 01:48:48,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 01:48:48,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 01:48:48,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 01:48:48,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 01:48:48,545 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 01:48:48,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 01:48:48,545 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 01:48:48,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 01:48:48,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 01:48:48,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 01:48:48,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 01:48:48,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 01:48:48,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 01:48:48,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 01:48:48,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 01:48:48,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 01:48:48,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 01:48:48,547 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 01:48:48,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 01:48:48,547 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 01:48:48,547 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 01:48:48,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 01:48:48,548 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 01:48:48,548 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 01:48:48,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 01:48:48,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 01:48:48,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 01:48:48,876 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 01:48:48,878 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 01:48:48,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl [2021-08-22 01:48:48,879 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl' [2021-08-22 01:48:48,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 01:48:48,906 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 01:48:48,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 01:48:48,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 01:48:48,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 01:48:48,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:48:48" (1/1) ... [2021-08-22 01:48:48,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:48:48" (1/1) ... [2021-08-22 01:48:48,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 01:48:48,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 01:48:48,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 01:48:48,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 01:48:48,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:48:48" (1/1) ... [2021-08-22 01:48:48,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:48:48" (1/1) ... [2021-08-22 01:48:48,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:48:48" (1/1) ... [2021-08-22 01:48:48,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:48:48" (1/1) ... [2021-08-22 01:48:48,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:48:48" (1/1) ... [2021-08-22 01:48:48,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:48:48" (1/1) ... [2021-08-22 01:48:48,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:48:48" (1/1) ... [2021-08-22 01:48:48,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 01:48:48,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 01:48:48,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 01:48:48,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 01:48:48,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:48:48" (1/1) ... [2021-08-22 01:48:48,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 01:48:48,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:48:48,975 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) [2021-08-22 01:48:49,002 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 [2021-08-22 01:48:49,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 01:48:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 01:48:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 01:48:49,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 01:48:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 01:48:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 01:48:49,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 01:48:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 01:48:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 01:48:49,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 01:48:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 01:48:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 01:48:49,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-22 01:48:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-22 01:48:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-22 01:48:49,030 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 01:48:49,207 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 01:48:49,207 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 01:48:49,209 INFO L202 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:48:49 BoogieIcfgContainer [2021-08-22 01:48:49,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 01:48:49,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 01:48:49,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 01:48:49,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 01:48:49,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:48:48" (1/2) ... [2021-08-22 01:48:49,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c56971 and model type prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:48:49, skipping insertion in model container [2021-08-22 01:48:49,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:48:49" (2/2) ... [2021-08-22 01:48:49,217 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons3.wvr.bpl [2021-08-22 01:48:49,221 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 01:48:49,221 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 01:48:49,221 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 01:48:49,221 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 01:48:49,279 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-22 01:48:49,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 01:48:49,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:48:49,319 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) [2021-08-22 01:48:49,346 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 [2021-08-22 01:48:49,359 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 01:48:49,364 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, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 01:48:49,364 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-22 01:48:49,681 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:48:49,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:48:49,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1477533130, now seen corresponding path program 1 times [2021-08-22 01:48:49,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:48:49,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500590370] [2021-08-22 01:48:49,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:48:49,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:48:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:48:49,846 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-22 01:48:49,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:48:49,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500590370] [2021-08-22 01:48:49,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500590370] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 01:48:49,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 01:48:49,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 01:48:49,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289326553] [2021-08-22 01:48:49,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 01:48:49,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:48:49,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 01:48:49,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 01:48:49,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:48:49,865 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:48:49,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-08-22 01:48:49,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:48:49,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:48:49,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 01:48:49,931 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:48:49,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:48:49,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1959729614, now seen corresponding path program 2 times [2021-08-22 01:48:49,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:48:49,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787686241] [2021-08-22 01:48:49,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:48:49,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:48:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:48:49,991 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 01:48:49,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:48:49,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787686241] [2021-08-22 01:48:49,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787686241] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:48:49,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381093522] [2021-08-22 01:48:49,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 01:48:49,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:48:49,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:48:49,996 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) [2021-08-22 01:48:49,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 01:48:50,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 01:48:50,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:48:50,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-22 01:48:50,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:48:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:48:50,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381093522] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:48:50,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:48:50,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7] total 9 [2021-08-22 01:48:50,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199095599] [2021-08-22 01:48:50,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-22 01:48:50,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:48:50,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-22 01:48:50,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-08-22 01:48:50,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:48:50,491 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:48:50,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) [2021-08-22 01:48:50,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:48:50,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:48:50,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:48:50,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:48:50,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-22 01:48:50,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-22 01:48:50,942 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:48:50,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:48:50,943 INFO L82 PathProgramCache]: Analyzing trace with hash 305805348, now seen corresponding path program 3 times [2021-08-22 01:48:50,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:48:50,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692452179] [2021-08-22 01:48:50,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:48:50,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:48:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:48:51,190 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:48:51,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:48:51,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692452179] [2021-08-22 01:48:51,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692452179] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:48:51,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78692217] [2021-08-22 01:48:51,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 01:48:51,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:48:51,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:48:51,195 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) [2021-08-22 01:48:51,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 01:48:51,284 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-22 01:48:51,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:48:51,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-22 01:48:51,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:48:51,656 INFO L388 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 [2021-08-22 01:48:51,831 INFO L388 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 [2021-08-22 01:48:51,987 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:48:51,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78692217] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:48:51,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:48:51,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-08-22 01:48:51,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326285203] [2021-08-22 01:48:51,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-08-22 01:48:51,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:48:51,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-22 01:48:51,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-08-22 01:48:51,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:48:51,999 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:48:52,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.875) internal successors, (69), 24 states have internal predecessors, (69), 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) [2021-08-22 01:48:52,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:48:52,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:48:52,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:48:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:48:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:48:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:48:52,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-22 01:48:52,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:48:52,977 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:48:52,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:48:52,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1960197106, now seen corresponding path program 4 times [2021-08-22 01:48:52,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:48:52,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920876919] [2021-08-22 01:48:52,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:48:52,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:48:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:48:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:48:53,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:48:53,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920876919] [2021-08-22 01:48:53,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920876919] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:48:53,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108746814] [2021-08-22 01:48:53,629 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 01:48:53,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:48:53,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:48:53,630 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) [2021-08-22 01:48:53,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-22 01:48:53,749 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 01:48:53,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:48:53,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-22 01:48:53,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:48:54,736 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-08-22 01:48:54,737 INFO L388 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 31 treesize of output 19 [2021-08-22 01:48:54,860 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-08-22 01:48:54,860 INFO L388 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 25 treesize of output 13 [2021-08-22 01:48:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:48:55,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108746814] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:48:55,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:48:55,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 38 [2021-08-22 01:48:55,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301222428] [2021-08-22 01:48:55,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-22 01:48:55,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:48:55,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-22 01:48:55,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1247, Unknown=0, NotChecked=0, Total=1406 [2021-08-22 01:48:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:48:55,022 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:48:55,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.0526315789473686) internal successors, (78), 38 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 01:48:55,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:48:55,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:48:55,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:48:55,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:48:57,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:48:57,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:48:57,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:48:57,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:48:57,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-22 01:48:58,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:48:58,188 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:48:58,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:48:58,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1554519474, now seen corresponding path program 5 times [2021-08-22 01:48:58,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:48:58,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425316408] [2021-08-22 01:48:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:48:58,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:48:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:48:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 14 proven. 99 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-22 01:48:59,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:48:59,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425316408] [2021-08-22 01:48:59,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425316408] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:48:59,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141750277] [2021-08-22 01:48:59,412 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 01:48:59,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:48:59,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:48:59,417 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) [2021-08-22 01:48:59,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-22 01:48:59,621 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-08-22 01:48:59,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:48:59,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 61 conjunts are in the unsatisfiable core [2021-08-22 01:48:59,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:49:02,127 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-08-22 01:49:02,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 43 [2021-08-22 01:49:02,558 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-08-22 01:49:02,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 22 [2021-08-22 01:49:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 12 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:49:02,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141750277] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:49:02,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:49:02,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 33] total 58 [2021-08-22 01:49:02,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760000757] [2021-08-22 01:49:02,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2021-08-22 01:49:02,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:49:02,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-08-22 01:49:02,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=3044, Unknown=0, NotChecked=0, Total=3306 [2021-08-22 01:49:02,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:49:02,740 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:49:02,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.206896551724138) internal successors, (128), 58 states have internal predecessors, (128), 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) [2021-08-22 01:49:02,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:49:02,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:49:02,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:49:02,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:49:02,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:49:08,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:49:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:49:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:49:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:49:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:49:08,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-22 01:49:08,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:49:08,725 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:49:08,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:49:08,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1515888654, now seen corresponding path program 6 times [2021-08-22 01:49:08,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:49:08,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688385156] [2021-08-22 01:49:08,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:49:08,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:49:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:49:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 19 proven. 199 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-22 01:49:10,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:49:10,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688385156] [2021-08-22 01:49:10,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688385156] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:49:10,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783900545] [2021-08-22 01:49:10,234 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 01:49:10,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:49:10,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:49:10,235 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) [2021-08-22 01:49:10,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-22 01:49:10,618 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-08-22 01:49:10,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:49:10,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 89 conjunts are in the unsatisfiable core [2021-08-22 01:49:10,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:49:15,702 INFO L354 Elim1Store]: treesize reduction 605, result has 2.6 percent of original size [2021-08-22 01:49:15,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 119 treesize of output 90 [2021-08-22 01:49:16,606 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-08-22 01:49:16,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 30 [2021-08-22 01:49:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:49:16,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783900545] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:49:16,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:49:16,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 45] total 80 [2021-08-22 01:49:16,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39388499] [2021-08-22 01:49:16,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2021-08-22 01:49:16,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:49:16,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-08-22 01:49:16,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=5894, Unknown=0, NotChecked=0, Total=6320 [2021-08-22 01:49:16,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:49:16,818 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:49:16,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 2.1625) internal successors, (173), 80 states have internal predecessors, (173), 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) [2021-08-22 01:49:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:49:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:49:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:49:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:49:16,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:49:16,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:49:23,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:49:23,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:49:23,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:49:23,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:49:23,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:49:23,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:49:23,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-22 01:49:24,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:49:24,135 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:49:24,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:49:24,135 INFO L82 PathProgramCache]: Analyzing trace with hash 2121078648, now seen corresponding path program 7 times [2021-08-22 01:49:24,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:49:24,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724179301] [2021-08-22 01:49:24,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:49:24,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:49:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:49:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 36 proven. 305 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-08-22 01:49:25,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:49:25,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724179301] [2021-08-22 01:49:25,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724179301] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:49:25,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580231161] [2021-08-22 01:49:25,706 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 01:49:25,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:49:25,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:49:25,723 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) [2021-08-22 01:49:25,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-22 01:49:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:49:26,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 108 conjunts are in the unsatisfiable core [2021-08-22 01:49:26,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:49:32,229 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2021-08-22 01:49:32,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 133 treesize of output 77 [2021-08-22 01:49:33,553 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-08-22 01:49:33,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2021-08-22 01:49:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 19 proven. 349 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:49:33,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580231161] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:49:33,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:49:33,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 52] total 89 [2021-08-22 01:49:33,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999003400] [2021-08-22 01:49:33,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2021-08-22 01:49:33,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:49:33,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-08-22 01:49:33,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=7357, Unknown=0, NotChecked=0, Total=7832 [2021-08-22 01:49:33,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:49:33,765 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:49:33,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 2.101123595505618) internal successors, (187), 89 states have internal predecessors, (187), 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) [2021-08-22 01:49:33,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:49:33,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:49:33,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:49:33,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:49:33,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:49:33,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:49:33,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:49:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:49:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:49:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:49:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:49:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:49:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:49:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:49:42,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-22 01:49:42,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:49:42,395 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:49:42,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:49:42,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1083333868, now seen corresponding path program 8 times [2021-08-22 01:49:42,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:49:42,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908412783] [2021-08-22 01:49:42,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:49:42,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:49:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:49:44,484 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 26 proven. 439 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-08-22 01:49:44,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:49:44,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908412783] [2021-08-22 01:49:44,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908412783] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:49:44,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306541676] [2021-08-22 01:49:44,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 01:49:44,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:49:44,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:49:44,485 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) [2021-08-22 01:49:44,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-22 01:49:45,532 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 01:49:45,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:49:45,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 136 conjunts are in the unsatisfiable core [2021-08-22 01:49:45,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:49:54,835 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-08-22 01:49:54,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 173 treesize of output 101 [2021-08-22 01:49:56,863 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-08-22 01:49:56,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 42 [2021-08-22 01:49:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 2 proven. 556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:49:57,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306541676] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:49:57,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:49:57,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 64] total 104 [2021-08-22 01:49:57,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677822306] [2021-08-22 01:49:57,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2021-08-22 01:49:57,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:49:57,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2021-08-22 01:49:57,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=10148, Unknown=0, NotChecked=0, Total=10712 [2021-08-22 01:49:57,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:49:57,110 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:49:57,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 2.1153846153846154) internal successors, (220), 104 states have internal predecessors, (220), 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) [2021-08-22 01:49:57,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:49:57,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:49:57,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:49:57,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:49:57,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:49:57,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:49:57,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:49:57,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:50:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:50:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:50:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:50:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:50:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:50:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:50:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:50:10,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:50:10,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-22 01:50:10,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-08-22 01:50:10,857 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:50:10,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:50:10,857 INFO L82 PathProgramCache]: Analyzing trace with hash -916114894, now seen corresponding path program 9 times [2021-08-22 01:50:10,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:50:10,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906471889] [2021-08-22 01:50:10,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:50:10,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:50:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:50:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 29 proven. 629 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-08-22 01:50:12,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:50:12,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906471889] [2021-08-22 01:50:12,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906471889] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:50:12,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287060275] [2021-08-22 01:50:12,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 01:50:12,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:50:12,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:50:12,957 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) [2021-08-22 01:50:12,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-22 01:50:14,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-08-22 01:50:14,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:50:14,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 145 conjunts are in the unsatisfiable core [2021-08-22 01:50:14,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:50:26,192 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-08-22 01:50:26,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 189 treesize of output 113 [2021-08-22 01:50:28,946 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-08-22 01:50:28,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 122 treesize of output 46 [2021-08-22 01:50:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 2 proven. 755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:50:29,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287060275] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:50:29,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:50:29,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 71] total 114 [2021-08-22 01:50:29,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429865480] [2021-08-22 01:50:29,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2021-08-22 01:50:29,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:50:29,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2021-08-22 01:50:29,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=590, Invalid=12292, Unknown=0, NotChecked=0, Total=12882 [2021-08-22 01:50:29,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:50:29,249 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:50:29,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 2.175438596491228) internal successors, (248), 114 states have internal predecessors, (248), 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) [2021-08-22 01:50:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:50:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:50:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:50:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:50:29,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:50:29,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:50:29,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:50:29,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:50:29,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:50:44,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:50:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:50:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:50:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:50:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:50:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:50:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:50:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:50:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:50:44,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-22 01:50:44,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:50:44,947 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:50:44,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:50:44,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1857297294, now seen corresponding path program 10 times [2021-08-22 01:50:44,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:50:44,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242726765] [2021-08-22 01:50:44,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:50:44,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:50:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:50:47,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 100 proven. 796 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-08-22 01:50:47,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:50:47,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242726765] [2021-08-22 01:50:47,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242726765] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:50:47,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378908850] [2021-08-22 01:50:47,564 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 01:50:47,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:50:47,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:50:47,565 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) [2021-08-22 01:50:47,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-22 01:50:49,753 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 01:50:49,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:50:49,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 181 conjunts are in the unsatisfiable core [2021-08-22 01:50:49,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:51:06,282 INFO L354 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2021-08-22 01:51:06,283 INFO L388 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 235 treesize of output 139 [2021-08-22 01:51:10,301 INFO L354 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2021-08-22 01:51:10,301 INFO L388 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 146 treesize of output 54 [2021-08-22 01:51:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 30 proven. 991 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:51:10,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378908850] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:51:10,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:51:10,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 83] total 135 [2021-08-22 01:51:10,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410510396] [2021-08-22 01:51:10,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2021-08-22 01:51:10,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:51:10,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2021-08-22 01:51:10,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=786, Invalid=17304, Unknown=0, NotChecked=0, Total=18090 [2021-08-22 01:51:10,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:51:10,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:51:10,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 2.0148148148148146) internal successors, (272), 135 states have internal predecessors, (272), 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) [2021-08-22 01:51:10,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:51:10,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:51:10,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:51:10,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:51:10,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:51:10,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:51:10,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:51:10,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:51:10,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:51:10,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:51:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:51:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:51:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:51:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:51:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:51:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:51:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:51:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:51:31,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:51:31,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-22 01:51:31,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-08-22 01:51:31,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-22 01:51:31,241 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:51:31,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:51:31,241 INFO L82 PathProgramCache]: Analyzing trace with hash 689069260, now seen corresponding path program 11 times [2021-08-22 01:51:31,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:51:31,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874909500] [2021-08-22 01:51:31,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:51:31,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:51:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:51:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 45 proven. 973 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-08-22 01:51:34,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:51:34,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874909500] [2021-08-22 01:51:34,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874909500] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:51:34,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63189901] [2021-08-22 01:51:34,165 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 01:51:34,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:51:34,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:51:34,166 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) [2021-08-22 01:51:34,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-22 01:51:37,254 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-08-22 01:51:37,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:51:37,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 198 conjunts are in the unsatisfiable core [2021-08-22 01:51:37,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:51:57,405 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-08-22 01:51:57,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 249 treesize of output 149 [2021-08-22 01:52:02,610 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-08-22 01:52:02,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 158 treesize of output 58 [2021-08-22 01:52:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 33 proven. 1252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:52:02,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63189901] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:52:02,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:52:02,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 90] total 140 [2021-08-22 01:52:02,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133194936] [2021-08-22 01:52:02,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2021-08-22 01:52:02,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:52:02,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2021-08-22 01:52:02,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=837, Invalid=18623, Unknown=0, NotChecked=0, Total=19460 [2021-08-22 01:52:02,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:52:02,941 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:52:02,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 140 states have (on average 2.05) internal successors, (287), 140 states have internal predecessors, (287), 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) [2021-08-22 01:52:02,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:52:02,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:52:02,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:52:02,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:52:02,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:52:02,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:52:02,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:52:02,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:52:02,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:52:02,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-22 01:52:02,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:52:24,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:52:24,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:52:24,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:52:24,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:52:24,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:52:24,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:52:24,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:52:24,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:52:24,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:52:24,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-22 01:52:24,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-08-22 01:52:24,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-22 01:52:25,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-22 01:52:25,025 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:52:25,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:52:25,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1830177304, now seen corresponding path program 12 times [2021-08-22 01:52:25,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:52:25,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186570222] [2021-08-22 01:52:25,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:52:25,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:52:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:52:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 133 proven. 1291 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-08-22 01:52:28,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:52:28,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186570222] [2021-08-22 01:52:28,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186570222] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:52:28,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656573419] [2021-08-22 01:52:28,822 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 01:52:28,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:52:28,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:52:28,829 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) [2021-08-22 01:52:28,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-22 01:52:32,900 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2021-08-22 01:52:32,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:52:32,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 217 conjunts are in the unsatisfiable core [2021-08-22 01:52:32,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:53:00,263 INFO L354 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2021-08-22 01:53:00,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 289 treesize of output 173 [2021-08-22 01:53:07,183 INFO L354 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2021-08-22 01:53:07,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 182 treesize of output 66 [2021-08-22 01:53:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 2 proven. 1621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:53:07,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656573419] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:53:07,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:53:07,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 102] total 165 [2021-08-22 01:53:07,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465869733] [2021-08-22 01:53:07,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2021-08-22 01:53:07,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:53:07,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2021-08-22 01:53:07,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=966, Invalid=26094, Unknown=0, NotChecked=0, Total=27060 [2021-08-22 01:53:07,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:53:07,555 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:53:07,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 2.0727272727272728) internal successors, (342), 165 states have internal predecessors, (342), 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) [2021-08-22 01:53:07,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:53:07,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:53:07,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:53:07,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:53:07,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:53:07,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:53:07,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:53:07,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:53:07,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:53:07,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-22 01:53:07,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-08-22 01:53:07,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:53:39,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:53:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:53:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:53:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:53:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:53:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:53:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:53:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:53:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:53:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-22 01:53:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-08-22 01:53:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-08-22 01:53:39,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-22 01:53:40,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-22 01:53:40,149 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:53:40,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:53:40,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1688008682, now seen corresponding path program 13 times [2021-08-22 01:53:40,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:53:40,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961664114] [2021-08-22 01:53:40,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:53:40,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:53:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:53:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1952 backedges. 50 proven. 1547 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2021-08-22 01:53:44,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:53:44,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961664114] [2021-08-22 01:53:44,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961664114] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:53:44,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050197494] [2021-08-22 01:53:44,701 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 01:53:44,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:53:44,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:53:44,702 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 01:53:44,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-22 01:53:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:53:50,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 245 conjunts are in the unsatisfiable core [2021-08-22 01:53:50,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:54:21,903 INFO L354 Elim1Store]: treesize reduction 1440, result has 0.1 percent of original size [2021-08-22 01:54:21,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 313 treesize of output 185 [2021-08-22 01:54:30,120 INFO L354 Elim1Store]: treesize reduction 1440, result has 0.1 percent of original size [2021-08-22 01:54:30,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 198 treesize of output 70 [2021-08-22 01:54:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1952 backedges. 40 proven. 1912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:54:30,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050197494] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:54:30,519 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:54:30,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 109] total 172 [2021-08-22 01:54:30,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800126729] [2021-08-22 01:54:30,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2021-08-22 01:54:30,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:54:30,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2021-08-22 01:54:30,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=28422, Unknown=0, NotChecked=0, Total=29412 [2021-08-22 01:54:30,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:54:30,522 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:54:30,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 2.0406976744186047) internal successors, (351), 172 states have internal predecessors, (351), 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) [2021-08-22 01:54:30,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:54:30,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:54:30,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:54:30,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:54:30,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:54:30,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:54:30,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:54:30,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:54:30,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:54:30,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-22 01:54:30,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-08-22 01:54:30,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-08-22 01:54:30,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:55:05,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:55:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:55:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:55:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:55:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:55:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:55:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:55:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:55:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:55:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-22 01:55:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-08-22 01:55:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-08-22 01:55:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-08-22 01:55:05,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-22 01:55:06,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-22 01:55:06,066 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:55:06,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:55:06,066 INFO L82 PathProgramCache]: Analyzing trace with hash 34232022, now seen corresponding path program 14 times [2021-08-22 01:55:06,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:55:06,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817064827] [2021-08-22 01:55:06,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:55:06,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:55:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:55:10,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2364 backedges. 55 proven. 1885 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2021-08-22 01:55:10,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:55:10,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817064827] [2021-08-22 01:55:10,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817064827] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:55:10,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137335107] [2021-08-22 01:55:10,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 01:55:10,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:55:10,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:55:10,924 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 01:55:10,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-22 01:55:17,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 01:55:17,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:55:17,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 271 conjunts are in the unsatisfiable core [2021-08-22 01:55:17,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:55:59,232 INFO L354 Elim1Store]: treesize reduction 1836, result has 0.1 percent of original size [2021-08-22 01:55:59,233 INFO L388 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 353 treesize of output 209 [2021-08-22 01:56:09,855 INFO L354 Elim1Store]: treesize reduction 1802, result has 0.1 percent of original size [2021-08-22 01:56:09,856 INFO L388 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 218 treesize of output 78 [2021-08-22 01:56:10,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2364 backedges. 2 proven. 2362 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:56:10,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137335107] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:56:10,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:56:10,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 121] total 189 [2021-08-22 01:56:10,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611452250] [2021-08-22 01:56:10,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 189 states [2021-08-22 01:56:10,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:56:10,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2021-08-22 01:56:10,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1055, Invalid=34477, Unknown=0, NotChecked=0, Total=35532 [2021-08-22 01:56:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:56:10,310 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:56:10,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 189 states, 189 states have (on average 2.0634920634920637) internal successors, (390), 189 states have internal predecessors, (390), 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) [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-08-22 01:56:10,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:56:57,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-08-22 01:56:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-08-22 01:56:57,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-22 01:56:57,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:56:57,433 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:56:57,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:56:57,433 INFO L82 PathProgramCache]: Analyzing trace with hash -2103605216, now seen corresponding path program 15 times [2021-08-22 01:56:57,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:56:57,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128789276] [2021-08-22 01:56:57,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:56:57,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:56:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:57:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2758 backedges. 47 proven. 2039 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2021-08-22 01:57:02,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:57:02,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128789276] [2021-08-22 01:57:02,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128789276] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:57:02,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923716649] [2021-08-22 01:57:02,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 01:57:02,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:57:02,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:57:02,172 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 01:57:02,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-22 01:57:10,639 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2021-08-22 01:57:10,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:57:10,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 317 conjunts are in the unsatisfiable core [2021-08-22 01:57:10,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:58:00,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:58:00,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-22 01:58:00,275 INFO L244 Elim1Store]: Index analysis took 246 ms [2021-08-22 01:58:00,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 171 disjoint index pairs (out of 561 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 375 treesize of output 223 [2021-08-22 01:58:22,458 INFO L354 Elim1Store]: treesize reduction 2016, result has 0.0 percent of original size [2021-08-22 01:58:22,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 0 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 171 case distinctions, treesize of input 230 treesize of output 82 [2021-08-22 01:58:22,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2758 backedges. 2 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:58:22,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923716649] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:58:22,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:58:22,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 144] total 207 [2021-08-22 01:58:22,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672175947] [2021-08-22 01:58:22,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 207 states [2021-08-22 01:58:22,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:58:22,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2021-08-22 01:58:22,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1006, Invalid=41636, Unknown=0, NotChecked=0, Total=42642 [2021-08-22 01:58:22,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:58:22,986 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:58:22,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 207 states, 207 states have (on average 1.9420289855072463) internal successors, (402), 207 states have internal predecessors, (402), 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) [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-08-22 01:58:22,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-08-22 01:59:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-08-22 01:59:55,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-22 01:59:56,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-22 01:59:56,147 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:59:56,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:59:56,148 INFO L82 PathProgramCache]: Analyzing trace with hash -2109600068, now seen corresponding path program 16 times [2021-08-22 01:59:56,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:59:56,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188383486] [2021-08-22 01:59:56,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:59:56,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:59:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:00:02,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 64 proven. 2554 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2021-08-22 02:00:02,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 02:00:02,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188383486] [2021-08-22 02:00:02,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188383486] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 02:00:02,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611234443] [2021-08-22 02:00:02,293 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 02:00:02,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 02:00:02,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:00:02,298 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 02:00:02,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-22 02:00:12,810 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 02:00:12,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 02:00:12,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 316 conjunts are in the unsatisfiable core [2021-08-22 02:00:12,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 02:01:13,202 INFO L354 Elim1Store]: treesize reduction 2520, result has 0.0 percent of original size [2021-08-22 02:01:13,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 0 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 210 case distinctions, treesize of input 413 treesize of output 245 Received shutdown request... [2021-08-22 02:01:15,031 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 [2021-08-22 02:01:15,035 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 02:01:15,079 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 [2021-08-22 02:01:15,079 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 02:01:15,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-08-22 02:01:15,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-22 02:01:15,245 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 280 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 196 known predicates. [2021-08-22 02:01:15,246 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 02:01:15,247 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 02:01:15,247 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 02:01:15,247 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 02:01:15,255 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 02:01:15,255 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 02:01:15,257 INFO L202 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:01:15 BasicIcfg [2021-08-22 02:01:15,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 02:01:15,258 INFO L168 Benchmark]: Toolchain (without parser) took 746351.56 ms. Allocated memory was 183.5 MB in the beginning and 963.6 MB in the end (delta: 780.1 MB). Free memory was 164.2 MB in the beginning and 405.3 MB in the end (delta: -241.1 MB). Peak memory consumption was 541.2 MB. Max. memory is 8.0 GB. [2021-08-22 02:01:15,258 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 183.5 MB. Free memory is still 165.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 02:01:15,258 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.82 ms. Allocated memory is still 183.5 MB. Free memory was 164.0 MB in the beginning and 162.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-22 02:01:15,258 INFO L168 Benchmark]: Boogie Preprocessor took 16.41 ms. Allocated memory is still 183.5 MB. Free memory was 162.5 MB in the beginning and 161.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 02:01:15,259 INFO L168 Benchmark]: RCFGBuilder took 257.69 ms. Allocated memory is still 183.5 MB. Free memory was 161.4 MB in the beginning and 145.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-22 02:01:15,259 INFO L168 Benchmark]: TraceAbstraction took 746045.86 ms. Allocated memory was 183.5 MB in the beginning and 963.6 MB in the end (delta: 780.1 MB). Free memory was 145.3 MB in the beginning and 405.3 MB in the end (delta: -260.0 MB). Peak memory consumption was 521.3 MB. Max. memory is 8.0 GB. [2021-08-22 02:01:15,260 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 0.16 ms. Allocated memory is still 183.5 MB. Free memory is still 165.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.82 ms. Allocated memory is still 183.5 MB. Free memory was 164.0 MB in the beginning and 162.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.41 ms. Allocated memory is still 183.5 MB. Free memory was 162.5 MB in the beginning and 161.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 257.69 ms. Allocated memory is still 183.5 MB. Free memory was 161.4 MB in the beginning and 145.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 746045.86 ms. Allocated memory was 183.5 MB in the beginning and 963.6 MB in the end (delta: 780.1 MB). Free memory was 145.3 MB in the beginning and 405.3 MB in the end (delta: -260.0 MB). Peak memory consumption was 521.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30924, positive: 28489, positive conditional: 28489, positive unconditional: 0, negative: 2435, negative conditional: 2435, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28752, positive: 28489, positive conditional: 28489, positive unconditional: 0, negative: 263, negative conditional: 263, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28752, positive: 28489, positive conditional: 28489, positive unconditional: 0, negative: 263, negative conditional: 263, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38533, positive: 28489, positive conditional: 27035, positive unconditional: 1454, negative: 10044, negative conditional: 9781, negative unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 38533, positive: 28489, positive conditional: 25050, positive unconditional: 3439, negative: 10044, negative conditional: 8799, negative unconditional: 1245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 38533, positive: 28489, positive conditional: 25050, positive unconditional: 3439, negative: 10044, negative conditional: 8799, negative unconditional: 1245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3838, positive: 2887, positive conditional: 2663, positive unconditional: 224, negative: 951, negative conditional: 944, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3838, positive: 1401, positive conditional: 0, positive unconditional: 1401, negative: 2437, negative conditional: 0, negative unconditional: 2437, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2437, positive: 1486, positive conditional: 1484, positive unconditional: 2, negative: 951, negative conditional: 944, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3265, positive: 1705, positive conditional: 1649, positive unconditional: 56, negative: 1560, negative conditional: 1528, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38533, positive: 25602, positive conditional: 22387, positive unconditional: 3215, negative: 9093, negative conditional: 7855, negative unconditional: 1238, unknown: 3838, unknown conditional: 3607, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 3838, Positive cache size: 2887, Positive conditional cache size: 2663, Positive unconditional cache size: 224, Negative cache size: 951, Negative conditional cache size: 944, Negative unconditional cache size: 7, Eliminated conditions: 2967, Maximal queried relation: 15, Independence queries for same thread: 2172 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 280 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 196 known predicates. - TimeoutResultAtElement [Line: 80]: 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 280 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 196 known predicates. - TimeoutResultAtElement [Line: 80]: 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 280 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 196 known predicates. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 280 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 196 known predicates. - TimeoutResultAtElement [Line: 82]: 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 280 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 196 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 61 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 745939.0ms, OverallIterations: 16, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.9ms, PartialOrderReductionTime: 304466.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1316, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 193.9ms SsaConstructionTime, 2014.4ms SatisfiabilityAnalysisTime, 323676.3ms InterpolantComputationTime, 3978 NumberOfCodeBlocks, 3978 NumberOfCodeBlocksAsserted, 124 NumberOfCheckSat, 3949 ConstructedInterpolants, 5 QuantifiedInterpolants, 305237 SizeOfPredicates, 351 NumberOfNonLiveVariables, 5452 ConjunctsInSsa, 2023 ConjunctsInUnsatCore, 29 InterpolantComputations, 1 PerfectInterpolantSequences, 3054/26202 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